Storing or distributing gases or liquids (F17)

F17            Storing or distributing gases or liquids(3562)

ethod of manufacturing of tank for storage and transportation of oil, petroleum products and liquefied natural gas // 2641922
FIELD: oil and gas industry.SUBSTANCE: invention relates to the field of storage and transportation of oil, petroleum products (PP) and liquefied natural gas (LNG) and can be used in the production of LNG storage and transportation tanks. Method of manufacturing the tank for storing and transporting petroleum, PP and LNG consists in applying a reflective film to the outer surface of the tank, comprising three layers: an epoxy layer (primer), a hot-melt (adhesive) polymer sublayer, and a light-reflective layer.EFFECT: invention makes it possible to significantly reduce negative effect of solar energy on protected objects, including tanks for storage of liquefied natural gas.2 cl, 3 dwg

Sealed and insulated reservoir for cold compressed liquid fluid // 2641868
FIELD: machine engineering.SUBSTANCE: sealed and insulated reservoir for a cold compressed liquid fluid comprises a rigid sealed body (4), a sealed membrane (1) designed to contact cold liquid fluid in the reservoir, a layer of heat insulating material (3) between the membrane (1) and the inner surface of the body (4), and a pressure levelling device (5). The inner surface of the body (4) serves as a support surface for the membrane (1). The device is capable of limiting the pressure difference in the first sealed vessel inside the membrane (1) and in the second sealed vessel outside the membrane (1).EFFECT: creation of reservoir designed for relatively high pressure.17 cl, 10 dwg

ethod for determination of technical state of underground pipeline insulating coating // 2641794
FIELD: measuring equipment.SUBSTANCE: position of the boundaries and the length of the section of the pipeline exposed to the geomagnetically induced current is determined. A measuring point is selected between the boundary and the middle of the section of the pipeline under consideration exposed to the geomagnetically induced current. In the period of geomagnetic field perturbations, the displacement of the pipeline potential relative to the ground is measured during a certain time interval with a predetermined step at the selected point. During the same period of time, a variation of the geomagnetic field at a point remote from the pipeline is measured with a given step. The magnitude of the change in the potential displacement and the magnitude of the change in the geomagnetic field are determined at a point remote from the pipeline. Based on the measured values, the transition resistance is calculated and the technical state of the pipeline section to be checked is judged.EFFECT: reduced labour intensity for determination of the technical state of the insulating coating of the underground pipeline.6 dwg

ethod of selecting gas of starting, fuel, pulse and for internal requirements from technological communications of compressor schemes of compressor station as fuel for disarming the related machine to repair // 2641770
FIELD: oil and gas industry.SUBSTANCE: invention can be used for tapping of launching, fuel, impulse and for own needs from technological communications of compressor stations of the compressor station as a fuel at the output of an adjacent workshop for repair. The method includes stopping of working gas turbine units and closing the valves at the inlet/outlet of the compressor section (CS), opening the crane on the recirculation pipeline, transferring the gas extraction to the CS's own needs, opening the crane on the connecting pipeline between the fuel (launching) gas collectors and gas generation from the circuit CS. In addition, they provide a greater depth of gas evacuation from the disconnected communications of the compressor section by adjusting the standard isolation valves located at a distance less than 500 mm from the T-shaped connection of the section gas pipelines, by creating the ejection effect with partial closure of one of the cranes on the working gas pipeline of increased pressure and additional adjustment of the other on the ejected low pressure gas pipeline.EFFECT: reduction of natural gas emissions from the compressor section communications to the atmosphere.1 dwg

Unit for paraffin oil thermal additional treatment // 2641288
FIELD: oil and gas industry.SUBSTANCE: proposed unit includes cooling and stabilization system consisting of a refrigerator-condenser and a dephlegmator, a fractionating column, a unit of thermolysis with separators of high and low pressure, evaporators of high and low pressure and an ejector, and also a furnace. During operation, oil is heated in the refrigerator-condenser and sent to fractionating column to which vapours of thermolysis are fed and from the top of which the vapours of fractioning, and from the bottom the residual fraction are brought out, which after mixing with the circulating residue of thermolysis is heated in the furnace and separated in a high-pressure separator to obtain separation vapour and residue, which is directed to the high-pressure evaporator from which the vapours of thermolysis and the residue are derived, which after mixing with the vapours of separation is fed into the low-pressure evaporator, from which the low-pressure thermolysis pairs are fed into the heat-hydrolysis vapour supply line, and the residue is sent to the low-pressure separator, from which the low-pressure separation vapours are fed to the ejector located on the line of thermolysis vapours feed, and the thermolysis residue is separated into a circulating stream and a balance stream, which is fed into the fractionation vapour outlet line. Obtained mixture is cooled in the refrigerator-condenser from which heavy fraction and vapours are removed, which are condensed and stabilized in a dephlegmator to produce a stabilisation gas and a stable condensate which is mixed with the heavy fraction to obtain a stable prepared oil.EFFECT: simplification of unit and elimination of risk of coking of fractionator.1 dwg

Energy center (versions) // 2641283
FIELD: heating system.SUBSTANCE: invention discloses an energy centre including a fuel source equipped with a fuel supply line to the power receiving unit with a flue gas outlet line, a coolant production unit, wherein the fuel, oil or gas preparation, transportation or storage facility is used as the fuel source, a methanation unit with a water supply line connected by a direct heat transfer/return flow line to the coolant production unit installed on the flue gas outlet line. Also, a variant of the power centre for generating electricity, coolant, and coolant from the boiler room is disclosed, as well as an option for obtaining a coolant from the boiler house.EFFECT: improving the quality of the initial fuel, increasing the methane index and reducing the heating value by equipping the unit with a methanation block.8 cl, 3 dwg

Airtight and isothermal tank containing metal membrane with corrugated orthogonal folds // 2641186
FIELD: machine engineering.SUBSTANCE: airtight and isothermal tank is integrated into the structure with a supporting wall (3), to which the wall of the tank adjoins. A heat-insulating barrier is mounted on the supporting wall (3) and is formed by insulating blocks (1) in the form of rectangular parallelepipeds arranged in parallel rows separated from each other by gaps (10). The sealed barrier is mounted on a heat-insulating barrier and comprises a metal membrane made of metal sheets (11) hermetically welded to each other. On surface of each insulating block of the heat-insulating barrier opposite the supporting wall (3) are at least two predominantly orthogonal connecting metal strips (5, 6). They extend parallel to the insulating block sides and are welded to the sheets (11) of the metal membrane installed on the insulating block. At that, the connecting strips are rigidly connected to the insulating block on which they are arranged. Each of the plurality of sheets (11) of the metal membrane comprises at least two orthogonal folds (12a, 12b) parallel to the sides of the heat insulating blocks (1) and placed in the gaps (10) between the insulation blocks. A ship for transportation of a cold liquid product having a double housing inside which the above-described container is mounted. Use of the ship for the purpose of loading or unloading a ship by supplying a cold liquid product through insulated pipes from a shore or a floating storage to the ship tank or to the shore or floating storage tank from the ship tank. System for transporting cold liquid product comprising above-described ship, insulated pipes connecting the tank mounted in the ship hull with shore or floating storage, and a pump to supply cold liquid product through isolated pipes from or to floating or shore storage to or from the ship tank.EFFECT: improved airtightness.25 cl, 28 dwg

ethod of selecting liquid samples from pipeline and device for its implementation // 2640341
FIELD: measuring equipment.SUBSTANCE: device includes a sampling device installed in the main pipeline, a bypass line from the main pipeline, a sampling element for automatic sampling, a dispersant, a sampling element for manual sampling, a sampler. The bypass line is connected in series with the sampling device. In this case, the dispersant and a sampling element for manual sampling are installed behind the sampling element for automatic sampling along the flow path of the bypass line from the main pipeline from the condition of increasing the differential head on the sampling element for automatic sampling. When the sampling device is simultaneously a sampling pipe for automatic sampling, the dispersant at the sampling site is set from the condition of increasing the differential head on the sampling device. The dispersant is used as an element to increase the differential head on the sampling element for automatic sampling. The dispersant is carried out with a variable cross-sectional configuration along the flow path, provided that in the horizontal part of the pipeline the average width of the pipeline internal cross-section in the horizontal plane is less than the average height of the pipeline internal cross-section in the vertical plane, and in the vertical part of the pipeline, so that the cross-section area of the passage decreases along the flow direction. The sampling device with the main pipeline is strapped by means of a bypass line from the main pipeline. The part of the flow of the main pipeline is pumped under the influence of excess pressure through the sampling device and a bypass line connected in series with the main pipeline. The bypass line from the main pipeline is connected with an automatic sampler channel and a sampling element. A dispersant and a sampling element are installed for manual sampling for the sampling element for automatic sampling along the flow path of the bypass line from the main pipeline. The strapping of the elements is performed from the condition of increasing the differential head in the channel connecting the bypass line from the main pipeline with the automatic sampler, in comparison with the differential head created due to the velocity head of the flow of the bypass line from the main pipeline or due to the velocity head of the main pipeline flow. Sampling is carried out by an automatic sampler from this channel. Manual sampling is carried out from the flow of the bypass line from the main pipeline. The strapping of the elements is performed with the formed transformation of the cross-section of the flow or its part at the sampling site.EFFECT: high accuracy with quantitative and qualitative accounting of fluid pumped through the pipeline, conducted on a set of parameters.2 cl, 4 dwg

ethod of obtaining radiation-modified polymer coating on steel pipe and steel pipe with radiation-modified polymer coating // 2640228
FIELD: machine engineering.SUBSTANCE: method of obtaining radiation-modified polymer coating on steel pipe comprises applying at least one primer layer on the surface of the steel pipe, applying at least one adhesive layer on the primer layer, with the subsequent applying of at least one polymer layer based on a polymer selected from the group: polyolefins, polysilicones, polyamides, synthetic rubbers on the adhesive layer and radiation modification of the coating with at least one electron accelerator with radiation dose of 1-100 Mrad at a ratio of the speed of movement to the pipe rotational speed equal to 0.1-5.0. The invention also refers to the method of obtaining radiation-modified polymer coating on the steel pipe comprising applying at least one primer layer on the surface of the steel pipe, with the subsequent applying of at least one polymer monolayer comprising a polymer selected from the group: polyolefins, polysilicones, polyamides, synthetic rubbers and a glue composition based on polyolefins, and radiation modification of the coating by means of at least one electron accelerator with radiation dose of 1-100 Mrad at a ratio of the speed of movement to the pipe rotational speed equal to 0.1-5.0 and the steel pipe with a radiation-modified polymer coating containing the coating based on the layers obtained by any of these methods. The coating is radiation-modified with the help of at least one electron accelerator.EFFECT: increase of impact strength of coating penetration resistance, adhesion strength and stability of polymer coating adhesion during long operation of pipes.3 cl, 4 dwg, 1 tbl
ethod of acoustic detection and localization of knot holes in the trunk gas pipelines and control of state of insulators and disconnectors of overhead line of cathodic protection of pipelines and system for its implementation // 2639927
FIELD: measuring equipment.SUBSTANCE: at control objects - the compressor station (1) and the gas pipeline (2) - monitoring equipment in the form of fiber-optic sensors for acoustic signals (3) is placed. Optical radiation is created, it is fed into the sensitive optical element (5) of the fiber-optic sensor. As initial information for monitoring, parameters of air acoustic signals, accompanying the release of gas through knot hole, are used. To detect these signals, high-sensitivity fiber-optic sensors are used, whose sensitive elements, which do not require power supply, are placed in series on the masts (13) and overhead line columns (14) along the pipeline route. The received acoustic signals are transformed with the help of analogue-digital devices (9), permanently located in the communication nodes (15). Received from transducers information is transmitted (10) in computing block (8), analyzed and the existence of a defect and the its localization relative to placement of adoptive modules with an accuracy of the plot is determined.EFFECT: improving the accuracy and effectiveness of control while expanding the operational capabilities of the monitoring facilities in terms of monitoring the condition of insulators and disconnectors of the overhead line of cathodic protection of pipelines.5 cl, 4 dwg
ethod for processing results of inline diagnostic analyses of main pipelines performed by combined nondestructive testing methods, taking into account design characteristics of inline inspection tool (iit), speed of movement and change in iit angular position // 2639466
FIELD: technological processes.SUBSTANCE: invention can be used for processing the results of inline diagnostic analyses of main pipelines performed by combined non-destructive testing methods. In the method for processing the results, the design characteristics of the inline inspection tool (IIT), speed of movement and change in the IIT angular position are taken into account. The method is implemented using hardware and software.EFFECT: processing method allows to obtain the most relevant display of the results of inline diagnostic analyses.1 cl

Autonomous automated gas-distributing complex (versions) // 2639453
FIELD: machine engineering.SUBSTANCE: two versions of complex are proposed: the first consists of gas preparation module including a switching unit with high-pressure switching, distributing and low pressure switching units, a gas cleaning unit, a heater with gas heating units and hot air generator, a gas odorization unit, an autonomous power supply unit, a unit for preparing and accounting pulse and fuel gas, heating and ventilation system, and includes at least one module with reducing and commercial accounting units. In the second version, the heater is equipped with a heat carrier generator. In operation, the high-pressure gas is cleaned, heated with hot air (version 1) or by a circulating heat carrier ( version 2), a small portion of gas is supplied to own needs to the autonomous power supply unit, unit for preparing and accounting pulse and fuel gas and pneumatic drives of dynamic equipment and shutoff and control valves, and the main part after reduction and commercial accounting after odorization is sent to consumer. Fuel, air and condensate are supplied to hot air generator (version 1), and hot air after its heating is directed into heating and ventilation system. In version 2 exhaust gases are discharged from heat carrier generator.EFFECT: provided autonomous operation of the complex, possibility for feeding gas to several consumers, possibility for changing efficiency in the range which exceeds the operational ranges of reduction unit, reduced metal capacity and reduced power consumption.6 cl, 2 dwg
ethod for transporting hydrocarbon gas in supercritical state // 2639441
FIELD: oil and gas industry.SUBSTANCE: method for transporting hydrocarbon gas includes preparation of field gas by its drying, increase of gas pressure up to 10-12 MPa, preliminary cooling to temperatures 260-270 k, subsequent cooling to temperatures 200-210 k and increase of pressure up to calculated values of not less than 20 MPa, a pressure gradient of pressure along the gas pipeline path and heat insulation of gas pipeline walls is maintained at a rate up to 5 m/s to maintain stable temperature conditions. The pressure gradient is maintained along the gas pipeline path and heat insulation of gas pipeline walls is maintained for stable temperature mode.EFFECT: use of proposed method for transporting hydrocarbon gas in supercritical state enables to increase the capacity of the main gas pipeline almost in 2 times and considerably reduce specific energy consumption for transport at other equal technical parameters of the pipeline.4 cl
Antiturbulent additives for reducing hydrodynamic drag of hydrocarbon liquids in pipelines and method for their producing // 2639301
FIELD: chemistry.SUBSTANCE: method involves the use of ultra-high molecular polyisobutylene or isobutylene copolymers with higher α-olefins or mixtures of polyisobutylene with polyolefins α to produce the liquid dispersion of a (co)polymer (LD PTP) and the dry dispersion of a (co)polymer (DD PTP) and their use as an antiturbulent additive. The method is implemented by using three process versions. The LD PTP composition and the DD PTP composition are described as well.EFFECT: simplification of obtaining PTPs, increasing their range, capabilities and temperature range when used in trans-polar pipes and in winter conditions, achievement of the higher quality and high performance of the additive.37 cl, 6 tbl, 71 ex

ethod for preventing formation of plug of gas-liquid mixture flow in non-straight well or pipeline // 2638236
FIELD: oil and gas industry.SUBSTANCE: in non-straight well or pipeline, at least one place of most likely formation of fluid plugs in the well is detected or pipeline by means of mathematical modelling on the basis of expected values of gas-liquid mixture flow rate and known geometry of the well or pipeline. Devices converting the stratifying flow of the gas-liquid mixture into dispersed flow are set in detected places of liquid plugs formation.EFFECT: preventing formation of plug mode of gas-liquid mixture flow.5 cl, 7 dwg, 1 tbl

System for monitoring gas leakage from main gas pipelines // 2638136
FIELD: oil and gas industry.SUBSTANCE: system for monitoring gas leakage from the main gas line can be used in operation and monitoring of the technical condition of main pipelines. In the system for gas leakage monitoring, the leakage control is carried out from a vehicle moving along the route of the gas pipeline. The vehicle has a laser device with frequency coinciding with the absorption spectrum of gas transported along the gas line and optically matched with the photodetector connected to the amplifier-converter, which output is connected to the vehicle computer to which a first receiving-transmitting device is connected, by means of which the radio connection is realized with the receiving-transmitting device, the computer and the monitor of the control center. The vehicle is provided with alarm of the signalling device, a video camera connected to the computer through multiplexer, and the four ones form a circular view system, and the two ones form stereo observation. A second receiving-transmitting device is also installed on the vehicle and controlled by the computer to perform radio communication via a separate radio channel with three stationary receiving-transmitting devices which are located along the perimeter of the controlled section of the gas pipeline route for determination of actual coordinates of the vehicle. The output of the receiving-transmitting device is connected to a converter of time intervals to digital code which is delivered to the computer for its re-counting to the current distance between the vehicle and the three-stationary receiving-transmitting devices.EFFECT: possibility to perform control of gas leakage from the gas pipeline along the route of its location in automatic mode without participation of human operator, at any time of year and day, under any meteorological conditions with high accuracy.2 cl, 3 dwg

ethod for drying sea gas pipeline cavity after hydraulic tests // 2638105
FIELD: oil and gas industry.SUBSTANCE: cavity of the sea gas pipeline is additionally dried to specified moisture values simultaneously with evacuation by blowing the cavity with nitrogen. In this case, before starting the introduction of nitrogen into the dried sea gas pipeline, a change of working parameters in time which characterize the process of filling the sea gas pipeline with nitrogen is simulated, according to simulation results the threshold values of the working parameters for filling the sea gas pipeline with nitrogen are set, the cavity of the sea gas pipeline is filled with nitrogen, when filling the nitrogen, the working parameters are continuously measured and their change during mixing of nitrogen and air in the cavity of the sea gas pipeline is controlled. Then the occurrence of their threshold values is recorded and the parameters to control the modes for filling the cavity of the sea gas pipeline are set. After holding the overall medium in the cavity of the sea gas pipeline up to stabilization of dew point temperature in water, pressure and nitrogen concentration, its drying is completed.EFFECT: invention should increase the reliability and safety of the sea gas pipelines, reduce time for drying the cavity of the sea gas lines after the hydraulic tests.2 cl, 2 dwg, 3 tbl

Angular element of sealed heat-insulated reservoir for storing fluid // 2637788
FIELD: oil and gas industry.SUBSTANCE: reservoir comprises a secondary heat-insulating barrier fixed on a supporting structure, a secondary sealed membrane, a primary heat-insulating barrier and a primary air-tight membrane to be in contact with fluid contained in the reservoir. The angular structure comprises first and second panels forming an angular portion of the secondary heat-insulating barrier and having an outer side and an inner side; the angular structure in the secondary air-tight membrane structure is attached to first and second panels. The angular structure also comprises first and second insulating blocks in the primary heat-insulating barrier structure that are attached to the first and second panels respectively, and are adjacent to the angular structure of the secondary air-tight membrane. In addition, the angular structure comprises an angular portion in the primary sealed barrier structure having first and second arms which are attached to the first and second insulating panels, respectively. In this case, each of the first and second panels comprises a metal plate which secures its inner surface and carries a fastening component for fixing the heat-insulating block. The angular structure of the secondary air-tight membrane is made of metal and provided with channels for introducing fastening elements for insulating the blocks and is welded along the channels periphery to the metal plates bearing fastening elements to provide sealing of the secondary air-tight membrane.EFFECT: creation of the angular structure suitable for assemblage.18 cl, 16 dwg

ethod for preventing hydrate formation in field systems of gas collection // 2637541
FIELD: oil and gas industry.SUBSTANCE: according to method, inhibitor of hydrate formation is supplied to the loop. To determine the beginning of hydrate formation process, gas temperature is measured at wellhead, actual gas temperature at the loop outlet and ambient temperature are determined. Certain rated values of gas temperature are calculated by the determined model. The actual value of the temperature at the loop output is compared in real with the base value. Additionally, in real-time mode the pressure is measured at wellhead and at the loop output. The theoretical rated value of hydrate formation temperature is taken as the basic temperature value. If actual temperature at the loop output is reduced to values below the base value, the actual pressure value at the loop output is compared with the value obtained in previous measurement cycle, and actual pressure value at the wellhead is compared with the value obtained in previous measurement cycle. If this pressure at the wellhead is increased by certain value and the pressure at the loop output is reduced by certain value, the specific values of which are determined by the cognitive model for given loop, and these dynamics is maintained for a period of time also determined by the cognitive model, then the beginning of hydrate formation process is diagnosed. First, supply of inhibitor to the loop is increased. If pressure values at wellhead and the loop output do not go beyond specified cognitive model, then the theoretical rated value of hydrate formation temperature is corrected according to the cognitive model. The theoretical estimated value of hydrate formation temperature is determined by determined model defined by analytical expression.EFFECT: optimized hydrate formation inhibitor consumption and improved operation reliability of gas collection field systems.3 cl, 2 tbl, 3 dwg

Automobile gas-filling compressor station // 2637530
FIELD: oil and gas industry.SUBSTANCE: invention relates to an automobile gas-filling compressor station (AGFCS). AGFCS includes filter-separator-1, compressor unit-2, gas dehydration unit-3, gas accumulators-4, gas-filling columns-5, high-pressure gas supply line-6, flowmeter-7, adjustment block-8, stop valves-9.EFFECT: reduction of the time for refuelling a newly arrived gas-cylinder vehicle at an automobile gas filling compressor station at a time when refuelling of mobile gas tank trucks is performed at this station.2 dwg

System for automatic feed of inhibitor of hydrate formation into lines of gas field // 2637245
FIELD: oil and gas industry.SUBSTANCE: system contains reservoir with an inhibitor, pipelines for inhibitor supply to protected points, an actuating mechanism providing direct controlled program supply of inhibitor, temperature and pressure transducers installed in protected points and connected to control station and actuating mechanism by wireless communication channel, inhibitor metering device, and consisting of return and controllable direct valves and an adjusting washer which are installed in protected points and are connected to the pipeline of inhibitor supply. A container with the inhibitor is made in the form of a pressure accumulator with a pressure sensor which is connected to the control station with the wireless communication channel. The actuating mechanism is made in form of control reducer.EFFECT: diagnostics of the formation of the hydrate plug in real-time, and swift feed of the inhibitor directly to the area where the formation of the hydrate plug begins.2 dwg

Device for cylinder gas charging and sealing under pressure // 2637166
FIELD: machine engineering.SUBSTANCE: in a device for cylinder charging and sealing under pressure, a sealing of a process opening for cylinder gas charging is provided by welding a conical plug along the end face of a charging union under the pressure of the working medium. The device provides an installation of the conical plug at working medium pressure, welding of the plug in the pressed state and a sealing test both after installation of the plug and after the welding.EFFECT: enhanced reliability of the object as a whole, and reduced device production cost.4 dwg

Self-sealing system for holding liquid with internal energy-absorbing element // 2637165
FIELD: machine engineering.SUBSTANCE: system includes a liquid container and an energy absorption system installed. The liquid container has a wall which restrict interior space of the liquid container. The energy absorption system is in the interior space of the liquid container. The energy absorption system is in the interior space of the liquid container. The energy absorption system is configured so that, if an object passes through the liquid container wall and strikes the energy absorption system, the amount of energy absorbed by the energy absorption system will be at least 18% greater than the amount of energy absorbed by the liquid container wall. The energy absorption system includes one or more energy-absorbing elements, wherein at least one said energy-absorbing element is several elements comprises metal and has Brinell hardness of at least 150.EFFECT: increased system reliability.20 cl, 3 dwg

ethod of supplying high pressure hydrogen gas to consumer // 2637155
FIELD: machine engineering.SUBSTANCE: method of supplying high pressure hydrogen gas to the consumer consists in injecting by a pump the liquid hydrogen through an overlapped pipeline from the reservoir into the gasifier tank in the form of a tank of total volume Vt, where, with increasing temperature and pressure, the liquid hydrogen is converted to a high-pressure gas by means of the supplied heat. The tank with the volume Vt is made with an internal tank of volume Vint, which is connected to the pump with the overlap and through the through holes is connected to the tank of volume Vt. The volume ratio Vint/Vt is selected in the range from 0.3 to 1.0 depending on the maximum hydrogen pressure at a constant maximum temperature of the tank of the volume Vt. The filling the internal tank of the volume Vint for a single cycle is carried out with hydrogen of a dosage mass with supercritical values of pressure and temperature. The constant volume heating of hydrogen is provided by the heat of the surrounding medium with the attainment of a predetermined maximum allowable pressure of hydrogen gas before supplying to the consumer. After filling the consumer's cylinders at a decrease of the pressure in the tank Vt up to the set level, the overlapped pipeline is cut off from the consumer and connected to the technological tank. Cool the remaining hydrogen in the tank with liquid nitrogen along the cryogenic lines from the source and continue to transfer hydrogen into the technological tank with a decrease in pressure and temperature in the Vt tank up to the level of the hydrogen pressure at the pump output during operation. Then turn the pump on, add the dosage mass of hydrogen up to the predetermined value from the tank of liquid hydrogen and conduct next cycle of supplying hydrogen gas to the consumer.EFFECT: achievement of the maximum allowable pressure of hydrogen gas in the filled tank, exclusion of flow vibrations and reduction of energy consumption, increase the durability of the gasifier tank, increase in the speed of refuelling of cylinders, ensuring the possibility of recovery of high pressure hydrogen tank up to the maximum pressure level after pressure reduction.1 dwg

Antifriction agent based on mercaptotriazole for gas pipelines and method of its preparation // 2637014
FIELD: chemistry.SUBSTANCE: antifriction agent is prepared using the following steps: getting 1,3-diamino-thiourea of hydrazine hydrate and carbon disulphide in a weight ratio of 3:1 up to 4:1 under the influence of a catalyst I; producing dithiocarboxylate by the reaction of condensation of 1,3-diamino-thiourea and aromatic aldehyde in a weight ratio of 1:1 to 1:1.5; obtaining mercaptotriazole connection from dithiocarboxylate and aromatic ester in a weight ratio of 1:1 to 1:3 under the action of catalyst II; dissolving the mercaptotriazole compound in acetone, adding phosphoric acid or phosphate(s) therein, and mixing them with producing the target product. Catalyst I is 2-chloroethanol, 2-mercaptoethanol, ethylenechlorhydrin or 2-(2-chloroethoxy)ethanol. Catalyst II is potassium hydroxide or sodium hydroxide.EFFECT: invention provides simple operating and soft reaction conditions, availability of starting materials and is suitable for online atomization and injection.12 cl, 2 dwg, 3 ex

Device for manufacture of shells from composite materials // 2636972
FIELD: technological processes.SUBSTANCE: device comprises of a shaping element the outer contour of which corresponds to the inner shape of the central part of the shell, which is removed after its manufacture. The shaping element is made in the form of a metal pipe, on which a metallized rope is wound for a specified length at least in one layer in a radial direction. One end of the rope is fixed to the end of the pipe for installing the bottom of the shell, and the other end of the rope is fixed to the side of the opposite end of the pipe.EFFECT: simplification and reduction in the cost of manufacturing shells from composite materials.1 dwg

Device for introducing liquid reagents into pipeline // 2636356
FIELD: machine engineering.SUBSTANCE: device consists of a hollow cylindrical casing with two flanges and a side boss in the form of a connecting flange arranged radially with respect to the central axis of the casing. There are bearing bushings mounted coaxially inside the casing, in which a shaft is mounted on bearings. Two rotors are symmetrically secured on the shaft. There are blades arranged on the side surface of each rotor uniformly over circumference. An eccentric is installed between the rotors on the shaft. The eccentric is located inside a holder with an outer stepped annular groove. The holder is free to rotate relative to the eccentric. A pressure unit with the stepped axial channel is connected to the side boss. There is an adapter union, a suction return valve, a sealing collar and pusher installed in this channel in series and coaxially. A passage channel of the adapter union can overlap by a shut-off element of the suction valve. In a cylindrical body of the pusher there are blind axial and through radial channels crossing therebetween. The blind channel ends with an inner annular groove having hydraulic connection with through radial channels, in which there is a pressure return valve with the shut-off element. The latter has the possibility of closing the blind channel. A branch pipe is coaxially connected to the end face of the pusher on the side of the blind channel, and a shaped cam is connected to the opposite end face. The pusher is arranged in the stepped axial channel for axial reciprocation motion, and the shaped cam is in the outer stepped annular groove of the holder thereby providing flexible connection between it and the pusher.EFFECT: improved operation reliability.2 cl, 4 dwg
Unit for detecting leakage of process fluids // 2636280
FIELD: machine engineering.SUBSTANCE: according to the invention it comprises a frame structure consisting of two hinged U-shaped elements, a signalling unit installed under the hinge mechanism, in which the electric scale is arranged, thus, a tray with possibility of continuous measurement of tray weight is suspended on it, signal output of the scale is connected to a relay, to output of which sound and light signal elements located on surface of the signalling unit are connected.EFFECT: providing possibility of dielectric liquids leakage detection, increased efficiency of leak detection Unit for process fluids leakage detection comprising tray and relay.4 cl, 2 dwg
Installation for detecting leakages of technological liquids // 2636279
FIELD: measuring equipment.SUBSTANCE: installation for detecting leakages of technological liquids, containing tray and relay, is different in that it contains a frame structure, consisting of two u-shaped, pivotally connected items, under the hinge mechanism alarm unit is installed, in which electronic scales are placed, so that the tray is hung to them, with the possibility of continuous tray mass measurement, scales signal output is connected to the bi-threshold relay, to the first output of which elements of sound and light signalizing are connected, located on the surface of the signalizing block, pump is connected to, the second relay output which is attached to the frame structure, with the inlet pump pipe is located in the tray and the output pipe connects with tank for collection of liquid.EFFECT: ensuring the possibility of detecting leakage of dielectric liquids, preventing the spillage of leaking liquid, increasing the efficiency of leak detection.4 cl, 2 dwg
ethod for detecting leakages of technological liquids // 2636278
FIELD: measuring equipment.SUBSTANCE: method for detecting leakages of technological liquid, characterized by the fact that during the leakage technological liquid is collected in the storage bin, then the signalling relay is triggered, characterized in that initially two values of the triggering of signalling bi-threshold relay are set, storage bin is placed under the technological equipment in the place of possible formation of leaks, inlet of the pump is placed in the bin, and then the weight of storage bin is continuously measured and the electrical signal equivalent to the weight of bin is transmitted in signalling bi-threshold relay, during leakage technological liquid is accumulated in the bin. Weight of the tray and the value of electrical signal to the set signalling relays the first threshold increase, which triggers the signalling relay, which includes the elements of light and sound signalizing, after exceeding the second threshold the alarm relay is triggered again and turns on a pump that pumps the liquid from the bin through the input and output pipes in holding tank, while lowering the liquid level below the second threshold signalling relay deactivates the pump.EFFECT: ensuring the possibility of detecting leakage of dielectric liquids, preventing the spillage of leaking liquid, increasing the efficiency of leak detection.2 dwg
ethod for detecting leakages of technological liquids // 2636254
FIELD: measuring equipment.SUBSTANCE: method for detecting leakages of technological liquid, characterized by the fact that during the leakage technological liquid is collected in the storage bin, then the signalling relay is triggered, characterized in that initially value of the triggering threshold of signalling relay is set, storage bin is placed under the technological equipment in the place of possible formation of leaks, and then the weight of storage bin is continuously measured and the electrical signal equivalent to the weight of bin is transmitted in signalling relay, during leakage technological liquid is accumulated in the bin, while increasing the weight of bin and the value of electrical signal to the specified in threshold signalling relay, after exceeding of which signalling relay triggers, which turns on the elements of light and sound signalizing.EFFECT: ensuring the possibility of detecting leakage of dielectric liquids, increasing the efficiency of leak detection.2 dwg

ethod of cooling compressed gas in three-way compressor station // 2636250
FIELD: machine engineering.SUBSTANCE: in the operating circuit of the compressor station cooling system, installation of workshop-to-workshop links with pipeline fitting between outlet gas line from gas-air cooling units (GACU) of the first workshop and inlet gas line in GACU of the second workshop stopped in reserve and outlet gas line from GACU of the second workshop stopped in reserve and inlet gas line in GACU of the third workshop stopped in reserve for increasing heat power, and also transfer workshop GACU groups from operation mode with two connected fans to operation mode with one fan-on.EFFECT: achievement of uniformity of distribution of load among workshop groups of gas-air cooling units, including workshops not participating in compression process `and stopped in reserve, reduction of energy losses in the linear section of the main gas line between the two compressor stations, while simultaneously reducing the electric power costs.1 dwg
ethod and plant for natural gas heating // 2635960
FIELD: oil and gas industry.SUBSTANCE: invention presents the method and the plant for heating natural gas, the method comprising the following stages: a) supply of natural gas which has a temperature of from -10°C to 50°C and at a pressure of at least 30 bar, from the natural gas supply pipe to the first system of heat exchanger cavities, b) supply of heating means (heat carrier) having a temperature in the range from 30°C to 160°C in the second system of cavities of the heat exchanger, wherein the first and second system of cavities are hermetically isolated from each other and from the environment, c) heating natural gas in the first system of cavities to a temperature from 20°C to 150°C by means of the heat carrier in the second system of cavities, the heat exchanger used is a plate heat exchanger including at least two pairs of heat exchange plates. Each pair of heat exchange plates is completely welded at least along their outer edges, d) withdrawing heated natural gas from the first cavity system to at least one further processing stage.EFFECT: increase in efficiency and reduction of the heat exchanger dimensions, so that lower costs can be achieved.9 cl

ethod of monitoring pipeline (versions) // 2635957
FIELD: physics.SUBSTANCE: invention relates to the diagnosis of the technical pipeline condition and can be used for emergency warning and monitoring of the technical pipeline condition. The monitored parameters are measured using the monitoring system elements installed on the pipeline, transmitting signals from the elements of the monitoring system to the control points and the monitoring system server, where they are stored, the current state and forecast are calculated. The elements of the monitoring system are installed continuously along the pipe either locally or on an anticorrosive coating, or in places with a remote part of the anticorrosive coating - on a steel pipe. Then the anticorrosion coating in these places is repaired, after which the quality of the repaired coating is checked. On top of the assembled structure, a protective shell is installed, which is centered with respect to the pipe, pouring end caps are installed, and a concrete mix is pumped into the shell space of the assembled structure. The second version provides a method for installing magnetic markers on the pipeline to determine the coordinates of the pipe metal defects.EFFECT: increased reliability, the location and the installation sequence of the monitoring system sensors are determined.12 cl, 3 dwg

Device for detection of leakages in fluid regulator // 2635818
FIELD: machine engineering.SUBSTANCE: device for detection of leakages in fluid regulators is proposed. The device for detection of leakages in a fluid regulator contains: a plurality of channels, where one channel is designed to take the inject pressure, the other channel is adapted to set off the actuator, and one more channel is connected to the purge port of the cover of the fluid regulator with the possibility of interconnection; the bellows located between the through hole of the fluid regulator and the purge port, substantially preventing the process fluid from flowing into the purge port; a pressure sensor in the purge port; and a processor for comparing the indicated pressure value with the set pressure value or preliminarily measured pressure value for identifying if the pressure value overruns the specified limit.EFFECT: possibility of improving safety of bellows leakage monitoring by identifying the changes of the pressure in the purge port.10 cl, 3 dwg

System and method for inspecting underwater pipelines // 2635751
FIELD: transportation.SUBSTANCE: method comprises the steps of detecting defects along a underwater pipeline using a submerged module using a magnetic tomography method (MTM module) in the immediate vicinity of the underwater pipeline; and determining the position of the submerged MTM module under the water and thereby locating the defect. The method further comprises determining the position of the submerged MTM module relative to the surface vessel; and the determination of the absolute position of the surface vessel.EFFECT: improving the accuracy of the defect detection.15 cl, 7 dwg, 3 tbl

Device for sampling liquid from pipeline // 2635264
FIELD: oil and gas industry.SUBSTANCE: device for sampling liquid from pipeline includes a through adapter 3, a rotary valve 4 with vent through channel serially installed on a branch 1 of the pipeline 2. A flange 26 is connected to the valve branch pipe, and a screw mechanism 5 for input and output into the pipeline 2 of a sampling tube 6. The movement of the sampling tube is controlled by a flywheel 64. At that a horizontal axis 71 of rotation of the screw mechanism 5 is fixed on a body of the rotary valve 4. Three lugs 42 are mounted on the flange 35 of the screw mechanism body 5, 43 and 44 with longitudinal grooves. The body of the screw mechanism 5 and the body of the rotary valve 4 are provided with cooperating lug surfaces - a projection and a bore.EFFECT: determination of quality parameters of liquid pumped in the pipelines, simplification of device servicing, reduction of service time, reduction of costs for thereof cleaning and repair, improvement of device operation reliability.9 dwg

Intra-tube projectile with wireless data transmission system // 2635016
FIELD: radio engineering, communication.SUBSTANCE: intra-tube projectile comprises an electronic projectile system comprising wireless data transmission means that comprise, at least, one high-frequency electromagnetic signal transmitter and measuring and processing means for measuring data comprising, at least, one measurement module and, at least, one data processing module. The wireless data transmission means also comprise, at least, one high-frequency electromagnetic signal receiver for receiving the transmitted data, connected to the data processing module.EFFECT: increasing the operational reliability of the intra-tube projectile based on the use of wireless data transmission means and control signals between external intra-tube measurement means relative to the projectile, diagnostics and control and on-board processing and storage facilities.73 cl, 4 dwg

High-pressure bottle // 2635009
FIELD: machine engineering.SUBSTANCE: bottle is designed for use under low temperature conditions during long-term storage and transportation of liquids, compressed and liquefied gases. The bottle has a liner 1 with coating 2 with reinforcement winding of its cylindrical part 3, bottoms 4, composite necks of upper 5 and lower 6, outer 12 and inner 9 threads. Each of the component necks 5 and 6 of the bottle consists of a primary neck 7 of the liner 1 with outer 8 and inner 9 threads, upper 10 and lower 11 power bushings which are screwed onto the outer thread 8 of the liner 1 primary necks 7. The power bushings 10 and 11 have hexagon beads 14 adjacent to liner bottoms 4. The lower power bushing 11 is provided with two flats 15. There are fixing nuts 16 mounted on the upper and lower necks. The coating 2 of layers of reinforcing fibres and epoxy resins partially covers the power bushings 10 and 11. The thickness ratio of the coating layer of portion of the power bushings 10, 11 to the thickness of the layer of the cylindrical portion of the balloon corresponds to 3: 1.EFFECT: fixation of the bottle in vertical position after its mouth is provided, bottle rotation in fixed condition around its rotation axis is prevented, removal of condensate from the bottle is provided.3 dwg

ethod to prepare high-viscosity oil for transportation via pipeline // 2633759
FIELD: oil and gas industry.SUBSTANCE: method involves preheating of feed oil, thermocracking with quenching of the thermocracking products and their subsequent separation in the evaporator into liquid and gas-vapor-liquid phases, the latter being separated in the gas separator into the gas of the evaporator used as fuel and a distillate, and the liquid phase of the evaporator is fed as a coolant in heat exchangers and for mixing with said distillate, followed by cooling to a temperature for transportation via pipeline. At that, the feed oil is subjected after preliminary heating to separation in the separator into the liquid phase - fraction above 200°C and the gas-vapor-liquid phase which is separated in the additional gas separator into gas fed for mixing with said gas evaporator and distillates to be mixed with the distillates separated from the thermocracking products and with the liquid phase of the evaporator, part of the liquid phase of the separator with fraction higher 200°C is subjected to thermal cracking, and the other part of the liquid phase of the separator - fraction above 200°C used for quenching of the thermocracking products, followed by separation of the resulting raw mixture in the evaporator.EFFECT: allows to increase the stability of heat-treated oil fed to the pipeline.2 cl, 1 dwg

Device for installing long-acting comparison electrode with potential sensor // 2633301
FIELD: electricity.SUBSTANCE: device for installing a long-acting comparison electrode with potential sensor comprises a vertically oriented hollow tube with a bevelled lower edge, a cover arranged on the upper end of the tube, and a holder fixed to the cover and arranged inside the tube, and configured to place the comparison electrode with potential sensor on its end. The holder can be made in the form of a cord or a stem or a rod made of polymeric materials resistant to action of destructive factors. The tube is made of polymeric dielectric materials resistant to action of destructive factors. The cover can be fixed on the upper end of the tube by a movable connection.EFFECT: protection of underground metal structures against corrosion.5 cl, 1 dwg

ethod of optimizing deemulgator dosage // 2632744
FIELD: chemistry.SUBSTANCE: high-frequency waveguide-type sensor is installed on the pipeline before entering the separator of the oil treatment unit, by means of which the current signals corresponding to the qualitative state of the residual water in the emulsion in the pipeline are received from the reflection at the oil/water interface. The received current signals are compared with the reference signal, which is set to the corresponding desired qualitative state of the residual water in the emulsion. By the result of comparing the signals, the amount of demulsifier supplied to the pipeline is corrected until the current signal equal to the reference signal is reached.EFFECT: possibility of eliminating a demulsifier overdose in the automatic mode with a change in the physicochemical parameters of the emulsion, including its viscosity.7 cl, 1 dwg

Gas pressure regulator and control method of such regulator // 2632678
FIELD: machine engineering.SUBSTANCE: operating gas pressure regulator (1) contains a flow channel (2) for gas; a movable slide valve (3) installed in the channel (2) to form a narrowing of the channel (2) to create a gas pressure drop from the supply pressure to the delivery pressure; a drive chamber (4) communicating with a downstream portion (2b) delimited by the first movable wall (5) which is connected to the valve (3) so that an increase in delivery pressure causes a corresponding displacement of the valve (3), resulting in a decrease in the narrowing cross-section, and vice versa; an elastic element (8) designed to counteract the force of the gas pressure, affecting the first movable wall (5) by applying a predetermined force to it tending to displace the valve (3) so as to increase the narrowing cross-section and a compensation chamber (6) filled with compensation gas and delimited by the second movable wall (7) connected to the valve (3) so as to ensure possibility of transferring pressure force of the compensation gas to the valve (3). When the regulator is in operation, the compensation gas pressure is constantly controlled in accordance with the specified supply pressure.EFFECT: increased accuracy and speed of gas regulation.12 cl, 2 dwg

ethod of manufacture of high-pressure metal-plastic ballon for space ship // 2631957
FIELD: technological processes.SUBSTANCE: method involves the manufacture of a metal liner having upper and lower convex bottoms of the same thickness that are hermetically sealed at their edges along the perimeter; Thermal treatment of a metal liner, application of an anticorrosion coating on its outer surface and the manufacture of an external reinforcing shell from a band composite material. The winding of each tape is performed with the formation of a loop by winding it onto a plate fixed outside the process demountable removable ring. The design of threaded joints ensures uniform tension of each pair of loops of the balloon attachment elements and at once six adjusting-tension degrees of freedom simultaneously.EFFECT: increasing the reliability of the balloon during the manufacture and operation, simplifying the manufacturing process.3 cl, 4 dwg

odular system to produce compressed natural gas // 2631954
FIELD: oil and gas industry.SUBSTANCE: compressor system (40) is located in a container (120) and transported to natural gas delivery device (140, 142) location. The compressor system is connected to natural gas source (14), for example, a gas distribution network for natural gas, providing gas compression (in compressors 40, 44, 60, 76, 88) supplied from the source and delivery of compressed gas to the consumer (after passing through the nozzles 144, 146). The container which can be a shipping container approved by the International Organization for Standardization (ISO) is equipped with removable hatches (164, 168, 172) installed in specified locations.EFFECT: strategical location of the compressor system components in combination with removable hatches provides easy access to the system for repair and maintenance.21 cl, 12 dwg

Hermeticizing thermal insulating wall of the tank for storage of the fluid medium // 2631746
FIELD: machine engineering.SUBSTANCE: sealing and heat-insulating wall of a fluid reservoir is proposed, comprising: a heat insulating panel (1) having an inner side and sides, and a sealing plate (7), the inner side of which is designed to contact the fluid contained in the tank, and its outer side is rigidly attached to the inner side of said panel (1) at the locations of the attachment zones (14), the sealing plate (7) being provided with at least one rib (8; 9) falling from its inner side and elongated in the direction d1 (X; y). The inner side of the heat-insulating panel (1) is provided with a slit (15; 16) for loosening the stresses located between two adjacent attachment zones (14) located on each side of said rib (8; 9), and mentioned slot has a longitudinal axis oriented in the direction d1 (X, y) to allow the deformation of the rib in a direction transverse to the direction d1 (X, y). The length of the slit (15; 16) for stress relaxation is less than the size of the heat-insulating panel (1) along the axis of this slot.EFFECT: improving the performance of a cryogenic storage tank.17 cl, 12 dwg

Reinforced plastic high-pressure bottle of a spacecraft // 2631202
FIELD: machine engineering.SUBSTANCE: reinforced plastic high-pressure bottle of a spacecraft contains a metal liner made of the upper and lower dished bottoms of the same thickness, which are tightly joined along the perimeter of their edges. The outer reinforcing shell runs along the entire outer surface of the liner with the elements, clamping the bottle to the spacecraft and made of one and the same tape in the process of winding the reinforcing shell. And the tapes form loops, evenly placed on the perimeter of the bottom edge joint. Neighbouring loops are connected in pairs at one point with the help of plates. All the plates are equally spaced from the bottle and each of them has a bore for threaded connection using a bolt, nut and washers. Each washer has an annular dished spherical surface at its contact point with the plate bore and at the attaching point of the bottle on the spacecraft, which is designed as a sleeve with an inner surface in the form of a truncated cone. The minor diameter of the cone is greater than the diameter of the bolt and has a mating surface for a washer spherical surface. The cone base is directed to the connection with the plate, the bore of which has a mating surface for the second washer spherical surface.EFFECT: higher reliability of the device.3 dwg

ethod for removing wells interdriving in gas collecting flowlines of high north gas fields // 2630323
FIELD: oil and gas industry.SUBSTANCE: method includes the assignment of its operation modes within the process limits, which are determined by the calculation method, based on the results of gas-hydrodynamic wells researches. At that during the field operation, using the telemetry and automatic process control systems of the complex gas treatment unit (CGTU), measure with the specified quantization step the actual gas pressures at the collector of each well cluster and at the end of the gas collecting flowlines (GCF), and the gas flow of each well cluster, and using the measured data and the passport characteristics of the GCF in the real time scale, calculate the gas pressure at the pumping points and make the time-synchronized graphs of pressure pairs: the measured at the collector's cluster and calculated for the pumping point, to which it is connected and the pressure measured at the end of GCF as well and calculated for the last pumping point before the CGTU, and, as soon as it is found, that one of the pressure difference pairs becomes less than the specified threshold, the value of which is assigned, based on the results of the last gas-hydrodynamic well tests and the CGTU specified operation mode, the CGTU operator is given the report on identifying the problems in the GCF work and/or the corresponding cluster of the gas wells, as well as the recommended list of individual operations sequences of the situation appeared on the problem section correction, and using this list, the operator of the plant takes the final control solution to fix the problem.EFFECT: determination accuracy increase of the gas collecting flowlines operation mode correct selection with the common collector in the real time scale.2 dwg

Pipeline operational risks management method and system for it // 2630279
FIELD: measuring equipment.SUBSTANCE: pipeline operational risks management method comprises a pipeline technical state monitoring through the magnetic, electric, thermal and sound fields measurement as the pipeline current state parameters. The measuring operations are provided with the help of the distributed or quasi-distributed optical-fiber sensors that are pipeline continuous lengths placed in the sections-form. As follows from the analysis of the measured fields' variations from the norm, which is added into the pipeline state model, one indicates the locations of the variances appearance on the pipeline. One carries out the local diagnostics of the pipeline in the noted locations. In case if the pipeline defect is found at the time of the local diagnostics, one adds the defect description in the pipeline state model for the detection the mentioned or similar defect at a later stage of or for the prevention of its emergence. The invention also deals with the pipeline operational risks controlling system for the purpose of the above-mentioned method.EFFECT: deflection sensing accuracy increase.20 cl, 2 dwg

Self-contained block-modular automated gas distribution station // 2629345
FIELD: oil and gas industry.SUBSTANCE: proposed station includes a gas preparation module, consisting of a switching block with high and low pressure switching units and a distribution unit, a gas cleaning unit, a heater with gas and air heating units, a gas odorization block with odorant tank, and a self-contained power supply block. In addition, the station includes at least one gas reduction and accounting module which consists of at least one back-up reduction block with a metering unit. During the station operation, the high pressure gas entering through the high-pressure switching unit is cleaned, heated by hot coolant supplied from the coolant heating unit, and sent through the distribution unit to the consumer after the reduction and commercial accounting. The part of the high-pressure gas is supplied for the own needs through the bypass lines for feeding the self-contained power supply unit, pneumatic drive shut-off and control valves, and the coolant heating unit.EFFECT: self-contained operation, providing the gas to several consumers, reduction of the station metal and energy consumption.2 cl, 1 dwg
 
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