Mobile block-module drilling rig of high erecting capacity and lifting power of 1600, 2000 and 2250 kn
SUBSTANCE: mobile drilling rig comprises a tower with folding sections, a lifted sectional folding base, modules of the main blocks on a transport base, a power unit, variable-frequency electric drives of the main mechanisms. Easily transportable quick-assembly sectional tower is arranged with an open front face, with inbuilt upper drive to work with drilling pipe stands of 24-25 m nominal length. The rig comprises a universal lifted base, which is raised into a working condition with the help of hydraulic cylinders to the height of up to 10 m, with the mechanism used to move a tower-hoist unit of an industrial drilling rig in the area of a well cluster with the help of the electric drive of load trolleys, moving along a rail track, a variable-frequency AC electric drive with a digital control system for the main equipment of a mobile drilling rig and a soft start device at electric drives of auxiliary mechanisms.
EFFECT: high power efficiency and erecting capacity, higher safety of drilling works and major overhaul of wells.
The invention relates to the drilling technique, in particular to mobile drilling rigs increased erection ability, modular type, intended for deep drilling, maintenance and repair of wells, including deposits with an abnormally high pressure reservoir and with a high content of hydrogen sulfide.
Known mobile drilling rig, tower containing a removable one-piece, extra-propelled platform with the console space (the description of the invention to the patent of the Russian Federation 2190076, EV 7/02 from 26.03.2001,).
In the known device the base povyshenie has the shape of a prism. This form does not allow you to place necessary during the drilling process equipment on a rotary platform. The height of the rotary platform does not allow you to install it BOP equipment for layers with an abnormally high pressure and high hydrogen sulfide content. No cab rig and system monitoring and control of technological parameters reduces the performance of the installation and the level of industrial safety. It should also be noted the limited scope of the installation, the impossibility of carrying out drilling operations in deep layers.
Closest to the proposed invention, taken as a prototype, is drilling the situation of the company "Uralmash - Drilling equipment" 3200/200 DER (product Catalog ZAO Uralmash - Drilling equipment". - Ekaterinburg: Uralmash - Drilling equipment, 2007. - 66 S. p.12-13)containing the telescopic tower, own transport facilities, modular type. Size and area rotary platforms do not allow to rationally position of the drilling equipment, and the limited length of the candle drill (18 m) does not allow to produce runs. The height of the rotary platform does not allow you to install it BOP equipment for layers with an abnormally high pressure and high hydrogen sulfide content. In the proposed "Uralmash - Drilling equipment" mobile installation there is no drive on the storage device and rewind pulley rope, the driller's cabin with Central process control and modern control. The use of DC motors for main aggregates leads to increased energy consumption and equipment wear. The volume of the circulating system is not compliant PB 08-624-03 "safety Rules in oil and gas industry and may not be sufficient for drilling deep wells.
Object of the present invention is to provide a mobile drilling rig capacity from 1600 to 2250 kN block-module is the main type in the Arctic execution shelter units with transportation on special trailers on public roads, with the movement of the drilling rig in the area of the hive wells using electric load trucks moving along the track, with high energy efficiency and installation capacity by reducing tripping operation, reducing the time during Assembly/dismantling and moving, as well as improve the safety of drilling and workover wells, including deposits with an abnormally high pressure reservoir and a high content of hydrogen sulfide.
Distinctive features of the proposed mobile drilling rig from the well-known is the fact that the HSE sectional is made with open front face, is designed to work with candles drill pipe length 24-25 m, has a built-in guide system top drive. Section rigs are folding design and in the folded position correspond to road transport dimensions. In addition, the relocation of the mast of the drilling rig within the drilling Bush is using the standard drive cargo trucks, mounted in the base of the rig. The proposed scheme of movement of the cable hoist block Bush wells allows to reduce time of installation works up to several hours. Installation of the tower is as follows. The first and second s is AI towers, and the third and fourth drive up to the installation site on a separate cargo trailers (figure 1). Using the connection lugs of the pistons of the cylinders with mating lugs on the stacked first and second sections of the rig, install the mounting cylinders in view of the subsequent disclosure and bringing the latest in the completed mounting dimensions. Complete hydraulic drilling rig, has a modular design that allows it to be used for assembling the elements of the tower and podvysockogo base, eliminating the use of additional lifting equipment at the stage of mounting and dismantling the rig. According to the developed project of addition of the metal structures of the first and second tower sections and hinge joints, bringing the bottom element of the tower into the mounting dimensions begins with the left foot. Further, by means of hydraulic cylinders, the process is completed by the disclosure articulated right leg.
To the already mounted in the folded state podpisecna ground lift trailer with open first and second sections of the tower (figure 2). On a folded povyshenie the Foundation using a crane installing the mounting platform. After bringing the first and second sections of the tower into the mounting dimensions of the car truck reversing gives the trailer with first and second sections of the tower to touch the first section of the tower with a mounting platform on podpisecna basis (figure 3). Then make a snap-in mounting system of pulleys steel rope from special mounting a winch on the frame of the tractor (figure 4). Using traction force mounting a winch through a system of pulleys installed on the trailer mounting the rollers produce a lifting of the first and second tower sections on a rotary platform (figure 5). Next, perform the connection lugs of the first section of the tower with mating lugs on the rotary platform with two fingers (6). Then make the dismantling of the steel rope system mounting pulley, install the mounting frame on which is based the first and second sections of the tower (Fig.7). And only after that the tractor-trailer first and second sections of leaves from podvysockogo Foundation (Fig). Next is the installation of hydraulic cylinders for lifting the tower, you are connecting lugs of the pistons of the cylinders with mating lugs located on the first section of the tower (figure 9). Tractor with trailer located on the third and fourth sections of the tower reversing approaching the second section of the tower. Then connect the lugs of the pistons of the cylinders with mating lugs on the folded third section, then install the mounting cylinders in view of the subsequent disclosure and bringing the left and right legs in the completed mounting dimensions. C is the fact using the connection lugs are installing and fixing spacer beams, and design guide system top drive in the third section of the tower (figure 9, view a). Under the third section of the tower installing the mounting frame with a hydraulic Jack (figure 10). Using a hydraulic Jack mounted on the mounting frame, raise the third and fourth sections of the tower from the third section of the tower (11). The tractor reversing smoothly serves a semi-trailer with 3 or 4 sections of the tower to the second section of the tower up to match the response of the eyes. Make the connection of the second and third sections of the tower with two fingers on top connections (Fig). Using hydraulic cylinders for lifting the lift tower a connected structure towers above the trailer of the third and fourth sections of the tower. The lower connection of the second and third sections of the tower when it merges, sets of fingers. Tractor with semi-trailer of the third and fourth sections of the tower pulls from the installation site (Fig). You are installing a third mounting supports, under the fourth section of the tower. Mounting the support beams of the tower. To install a balcony derrickman with store candlestick and shelters in the third section of the tower. Mechanically move the top drive system of the fourth section of the tower in the first section of the tower (Fig). Using hydraulic cylinders etc is taken off, climb the tower to the vertical position, connects the tower with supporting beams of the tower (Fig). Mounting the hydraulic cylinders for lifting podvysockogo Foundation. Installation of technological equipment on the rotary platform, the installation of the cover system and fencing rotary platform (Fig). Using hydraulic cylinders is the rise of the rotary platform in the operating position (Fig). Mounting and fastening the supporting farms podvysockogo the base, mounting the module drawworks (Fig). Thus the mast of the drilling rig shown in vertical mounting position.
The mechanism of movement of industrial drilling rig in the area of the well cluster is the drive cargo trucks moving along the track. Cargo truck with the actuator mounted in the base of the rig, rely on the rails of eight wheels. The choice of layout and design of navigation equipment truck rail truck rig implemented based on the weight roaming cable hoist block. To reduce the resistance to movement of the cable hoist unit BU, improve reliability and convenience in shifting the driving wheels of the cargo platform mounted on frictionless bearings. But we also offer drilling rig is characterized by the presence of cabinetbuild with Central control of technological parameters modern remote control systems and instrumentation. Characterized by the presence of variable frequency AC motors in the composition of the actuators of the basic mechanisms, system installation podvysockogo base and tower with the use of hydraulic cylinders, and a foldable bridge construction adopted, and an inclined chute. Characterized by the presence of energy-saving and explosion-proof lighting systems to led elements.
To achieve a technical result in the mobile drilling rig according to the invention are:
Modular axle receiving, which in the transport position to fit chute. The bridge module receiving equipped chassis and transported by means of wheels of the tractor as a trailer.
Bracket-swing crane or multifunctional crane, the advantage of using a crane is the ability to supply pipe products directly on the rotary platform, which significantly reduces the time tripping operation and significantly increases the level of labour due to the exclusion of hard manual labor.
Derrick and partition table of the rotor, made with seasoned transport dimensions, the connection sections for single and (or) double-hinged, locking fingers. The tower and the partition table of the rotor is suspended shelter (up to a height of 6 m above the rotary platform and in front of the balcony derrickman on the rig) to create optimal working conditions of staff. Section towers 1, 2 and 3 are folding into the design of the hinge elements that can withstand the shipping dimensions and not to dismantle directing beams of the top drive system for transportation of the tower. Table of rotor sectional area of up to 92 sq.m. Advantages: compactness, mobility, use of candles drill pipe length up to 25 m, the possibility to use the top drive; a big square table of the rotor permits to accommodate technological equipment.
Freight truck at the base of the rig on the rail base to move in the area of the hive with the help of the drive.
Hydraulic or electric devices for blowout equipment with capacity up to 25 t, allowing to mount over the hole any known sizes preventers and their Assembly. Mounted on beams attached under sections table of the rotor.
Control cabin rig, made with seasoned transport dimensions, is a module at the factory.
Modular design of the rotor allows to mount it on the finger of connections at one time.
The compressor module is executed in the form of an insulated container, with two screw compressors or piston type.
The drilling module Le is caustic, representing a special trailer with installed rig winch drive (main frequency-controlled AC and emergency, acts as a regulator of bits) and control cabinets winch and equipment rotary platform.
The heat of the air, made in the form of modules prepared and intended for heating the air space of sections podvysockogo Foundation and circulation system.
Top drive system, equipped with its own hydraulic station. The advantages of this system: power saving, faster tripping operation, reducing the risk of sticking the drill string in the well, reducing the risk of gazonefteprovody at the opening of the seams.
Blocks of drilling mud cleaning is presented in the form of vessels with the necessary set of equipment. All tanks are equipped with sensor devices, manholes-manholes. On units constructed of a single or dual shelter. The shelter is equipped with systems of ventilation, lighting, display of smoke and fire, gas indicators. Airspace circulation system is heated by the heat source of the air.
Modules mud pump (2 pieces) made in the form of semi-trailer equipment. The module includes orovoi pump with adjustable-frequency AC drive, remote control pump.
Module transformers and switchgear is a block factory connectors for connecting cables.
The complete module thyristor unit (KTU) is a block of prefabrication with connectors for connecting cables.
Module low-voltage complete devices (GCC) is a block of prefabrication with connectors for connecting cables. Module closed distribution device (CRUMB)representing a block of the factory connectors for connecting cables.
Power plant diesel backup, representing a block of the factory connectors for connecting cables and fuel and lubricants. The rig is equipped with a lightning protection system, grounding and fire fighting equipment.
General distinctive features of the proposed mobile drilling rig is a high mobility, high efficiency and reliability through the use of variable frequency drives for basic units (reduction of shock loads, smooth operation of equipment, improvement of resource) and soft starters for auxiliary, universal power supply. Mobile drilling rig - the false complex aggregates, machines and mechanisms that perform different but related functions in the drilling process.
Mobile drilling installation comprising a tower with a foldable sections, the base povyshenie sectional folding, the modules of the basic blocks on the transport base, a power unit, variable frequency drives basic mechanisms, characterized in that the easily transportable quickly assembled sectional rig is made with open front face, with an integrated top drive to work with candles drill pipe nominal length 24-25 m, and also includes a universal basis povyshenie raised in a working condition by means of a hydraulic cylinder to a height of 10 m, with a mechanism for moving the cable hoist unit industrial drilling rig in the area of the hive wells using drive cargo trucks moving along the track, variable frequency AC drive with digital control system for the main equipment of mobile drilling rig and soft starters drives of auxiliary mechanisms.
FIELD: oil and gas production.
SUBSTANCE: axial line of driven tunnel is determined with, for example, curve fitting. Data on location of drill platform on axial line of the tunnel are transmitted to the control panel; navigation plane of the blast holes placement layout is arranged on axial line of the tunnel. The initial point of set of the blast holes is positioned on the axial line of the tunnel considering length (L) of the blast holes set. Additionally, the final point of the blast holes set is arranged at distance corresponding to length of blast holes set from the initial point; the coordinate system of blast holes placement layout is directed to facilitate one of its axes running from the initial point to the final point. Finally, various systems of coordinates are utilised.
EFFECT: new and improved procedure for directing layout of blast holes placement in curvilinear tunnel, also development of soft ware for implementation of procedure and drill rig.
19 cl, 8 dwg
FIELD: oil and gas production.
SUBSTANCE: device consists of feeding girder, one end of which corresponds to drill end, of case for sound absorbing, enveloping feeding girder, perforator and part of drill rod, of first protective part, stationary arranged on drill end of feeding girder, as end of case for sound damping, and of second protective part travelling in lengthwise direction relative to feeding girder. Protective parts have an orifice; the drill rod travels in this orifice during drilling; also, the drill rod is connected to perforator moving during drill operation on the feeding girder. The device is equipped with a tubular protective part, flexible at least in its lengthwise direction and positioned between orifices of the first and second protective parts; with its ends it is tightly attached to the first and second protective parts so, that it forms a closed space between the orifices of the first and second protective parts. Also, the device is equipped with a guide in lengthwise direction of the feeding girder. The second protective parts is connected to the guide and travels relative to it. There is a cylinder with a medium, operating under pressure between the first and the second protective parts to move protective part to the first protective part and away from it.
EFFECT: raised efficiency at sound damping.
9 cl, 3 dwg
SUBSTANCE: system for well drilling comprises base, mast, injector of flexible pipe and starter tip mounted on the mast so that it may move along it. At the same time starter tip provides for transfer of rotation torque for connection and disconnection of string components and may be used to drill with composite pipes. At the same time starter tip may be used to prevent unwanted rotation of drilling string in process of drilling, using well engine with the help of rotary cartridge capable of blocking. Drilling method is also disclosed with application of proposed system.
EFFECT: improving drilling plant operation reliability.
19 cl, 7 dwg
SUBSTANCE: invention relates to the field of construction engineering, in particular to drilling rigs, and may be used to drill wells in various soils. Installation comprises self-propelled chassis and suspended equipment, which consists of mast, carriage, rotator, stem, mechanism of stem displacement, mechanism of feeding, drilling tool, installation of braces, support bracket and casing equipment. Mast is made of two parts - lower main and upper movable, installed on carriage with the possibility to move carriage with upper part of mast along lower part of mast with the help of feed mechanism.
EFFECT: simplified design with reduction of dimensions, improved functioning of units.
2 cl, 2 dwg
FIELD: oil and gas production.
SUBSTANCE: configuration comprises design functional elements: a cable hoist, a hoist brake, an auxiliary hydromatic brake, an emergency hydroelectric drive, a hoisting tackle mounted on a base of self-propelled wheeled tote pivotally connected to an A-frame folding tower with a crown block. A configuration is supplied with a sloping ramp whereon there are mounted the tote, tower and wellhead platform provided with a barrier railing. The tower consists of two interpenetrations. Each structure of the tower consists of two sections, upper and lower, and is meshed. Between the upper sections of the tower, there is a stabbing board of a derrick man which is also provided with is executed with the barrier railing.
EFFECT: higher performance efficiency and enhancement of the unit.
2 cl, 2 tbl, 4 dwg
FIELD: oil-and-gas industry.
SUBSTANCE: method and arrangement of improved horizontal-inclined drilling assembly for well drilling through underground rocks formations using a drill pipe, includes the drill pipe or a drill string descending into the well and its later lifting up. The drilling assembly includes a power aggregate for its power supply, a support frame, which can move between in parallel to the rock and in perpendicular to the rock positions, and the support frame moving device. A rotor block and a carriage aimed to transfer rotation, axial and return towing (lifting) forces to the drill pipe. The drilling assembly aimed for wells drilling with use of the drilling pipe through underground rocks formations, with any angle relatively to the underground rocks, between in parallel to the rock and in perpendicular to the rock positions. The method includes the drilling pipe dislocation on the drilling assembly, the support frame movement in setting it in the required drilling angle, the rotor block and carriage movement till it have contact with the drilling pipe, transfer rotation, axial and return towing (lifting) force to the drill pipe and underground rocks formations drilling with the drilling pipe.
EFFECT: invention provides power increase for the rotation drive and easy transportation.
21 cl, 17 dwg
SUBSTANCE: aggregate contains vehicle track with stiffly connected on it frame with equipment, including tackle system mast, main one-drum and auxiliary hoists, mechanisms drives, operator cabin, back support, hydraulic jacks, height adjustable wellhead platform. The mast foundation hinge connected with mast's back support, around which the mast is rotating at its vertical (operating) position or descends into horizontal - transportation position. At that at the mast top part located force stretching elements, and the wellhead platform additionally equipped with front bars, which connecting it to the aggregate frame.
EFFECT: aggregate design simplification, the aggregate adjustment on the wellhead simplification, keeping its functionality at well deep boring, service and maintenance.
FIELD: oil and gas production.
SUBSTANCE: fixing mechanism includes a pair of clamping jaws, rods and hydraulic cylinder as drive, which are connected to them. At that, mechanism also includes the lever installed with possibility of being turned, longitudinal rod and reverse lever. At that, hydraulic cylinder is connected to the lever, one end of which is connected to rod connected to the first clamping jaw, and its other end is connected by means of longitudinal rod to reverse lever connected by means of rod to the second clamping jaw.
EFFECT: improving operating reliability and reducing the cost owing to simplified device design.
SUBSTANCE: group of inventions is related to mining and in particular includes method of dust processing in process of hard rocks, dust separator and plant for hard rock drilling. Rock material and air sucked from well (9) or from other operative position are separated from each other in dust separator (14). Separated rock material drops into outlet part (14a) of dust separator, from where it may be batched in portions to unloading device (16). Unloading device comprises closed space for pressing, in which portion of rock material is pressed into more compact state, in the shape of hard briquette (17), which is removed from dust separator (14).
EFFECT: efficiency is improved, as well as manufacturability, reduced pollution of environment.
15 cl, 10 dwg
FIELD: oil-and-gas production.
SUBSTANCE: installation includes installed on vehicle stationary platform, pivotally connected to bearing frame, allowing the ability of rotation in vertical plane, passing through axis of vehicle, and tower shaft with movable carriage and rigidly fixed on it rotary actuator, movable carriage is implemented at least with three reference systems, placed in parallel planes relative to each other, and consisting each of two pairs of rollers, bearing surfaces of which are implemented by toroidal curve, located in the same plane and autonomic mounted on its axis, which are rigidly connected to movable carriage, and box-type tower shafts are implemented in the form of equilateral, butts of which are rigidly connected to side surfaces of tower shafts.
EFFECT: increasing endurance of elements of movable carriage, providing its displacement by tower shaft, at high enough stability and strength of tower shaft.
FIELD: oil and gas extractive industry.
SUBSTANCE: method includes use of device providing for manufacturability of assemblage of casing and drilling columns and concurrent drilling by two columns, provided with independent drives, and drilling, by casing column, of non-stable rock solids performed with frequency no greater than one calculated from formula
where Vmec - mechanical drilling speed, m/min, Fr - friction forces against rotation, Ften - friction forces against linear displacement, R - casing column radius, m, α - angle between vectors of directions of linear and rotating movements.
EFFECT: higher effectiveness, higher productiveness, higher reliability.
2 cl, 5 dwg, 1 ex
FIELD: mining industry.
SUBSTANCE: device has slanting frame with lower rotation drive and localizer, clamps of drilling pipes, stacks for storing drilling pipes. Conveyor is mounted on slanted frame, having adjustable drive, while clamps of drilling pipes having elevator links are fixed to conveyor branches, as well as open localizers and upper drive-swivel, and stacks for storing drilling pipes are placed along movement of conveyor in its upper portion. Upper end of drilling column is placed in well pipeline. At the end of stacks for storing drilling pipes a vehicle is placed with clamps for pipes to provide additional traction force and performing hoisting operations for drilling stalks consisting of several drilling pipes.
EFFECT: higher efficiency.
3 cl, 3 dwg
FIELD: mining industry.
SUBSTANCE: device has transporting base, post with guides and moveable stops, jointly connected via axes to post and placed in upper link of post for rods of force cylinders, which are fixed perpendicularly to support surfaces of moveable stops at moveable rotator, mounted with possible axial displacement along guides of post, and made with possible axial displacement along guides of post, and made wit possibility of their output from area of effect of rods of force feeding cylinders by means of control cylinder, placed on post, drilling stand, hoisting winch, rope and rope blocks. Moveable stops are made with possible rotation around axes in direction of action of rods of force feed cylinders. Their axes are placed in hollow parallel to support surfaces of moving supports and connected to rod of control cylinder, and between each other, via rotation lever, mounted between moveable stops. Cylinder for control is jointly connected to rotation lever and plant post.
EFFECT: higher productiveness.
FIELD: mining industry.
SUBSTANCE: device has transporting base, post with stops in upper connection, moveable rotator with guides, on which corbels are made and control cylinders are fixed, connected by their rods to force support cylinders, which via fixing elements are connected to rotator guides via axes, placed perpendicularly to longitudinal axis of post and surface of guides, directed by their rods for interaction with stops of upper link of post and have opportunity o displacement relatively to rotator guides and output of rods beyond stops of upper link of post, drilling stand, hoisting winch, rope and rope blocks. Axes and elements surfaces mated thereto of force feeding cylinders are made conical. Rods of control cylinders are rotated in direction of stops of upper link for angle equal to half of slanting angle of conical surfaces.
EFFECT: higher productiveness.
FIELD: mining industry.
SUBSTANCE: drilling device includes a rotator and hoisting gear, consisting of two force hydraulic cylinder with separator ring between them, through which rod passes, provided with pistons mounted in cylinders. Hoisting mechanism also includes fixed and moveable rollers and flexible links. Moveable rollers are placed inside the hollow of force cylinders and are fixed on outer surfaces of pistons, and fixed ones - on outer surfaces of end covers of cylinders. Force cylinders are made of different diameters, while cylinder for hoisting drilling columns greatest diameter. Plant is provided with two bars, fixed on upper and lower end covers and made in form of guides for rotator, separator ring and end covers are provided with fixing assemblies on front and back supports of post and hydraulic cylinder for raising the post to working position.
EFFECT: higher efficiency, simplified construction.
FIELD: mining industry.
SUBSTANCE: device has platform and on the platform it has oil station with drive, mast and mechanism for feeding drilling tool drive, made in form of hydraulic cylinder, body of which is fixed at platform, and on free and of rod of which a carriage with two rollers is mounted, which are placed along length of rod, two rollers, mounted in upper and lower portion of mast and flexible link, fixed by its ends in place of extreme position of each of carriage rollers with retracted and extended rod of hydraulic cylinder and skirting rollers of carriage on inner side, and rollers of mast - on outer side. Device is provided with additional two coaxially mounted rollers, mounted in zone of connection of end of flexible link, skirting side roller of carriage, and single roller, mounted in zone of connection of second end of flexible link. One of branches of flexible link after carriage roller skirts single roller and each branch of flexible link skirts coaxially mounted rollers on opposite sides.
EFFECT: higher reliability.
1 dwg, 2 cl
SUBSTANCE: device has base, mast, jointly mounted thereon, telescopic element for changing its angular position, carriage with engine and rotator, moveably placed on mast posts, hydraulic cylinder for moving carriage, directed downwards by its rod, and hydraulic system. Hydraulic cylinder is placed between upper and lower mast bars, its shell is rigidly fixed in carriage, and rod is connected to lower bar. Upper bar and/or carriage body are made in form of tank for working liquid of hydraulic system. Hydraulic system pump is placed on rotator, while cinematic link of engine to pump and/or rotator is made in form of wedge-belt transfer link, and connections of leading and following sheaves with their shafts are made threaded with oppositely directed thread. Between rotator and hydraulic cylinders for protection of rod a skirt is placed in form of ribbon, fixed on ends of mast.
EFFECT: lesser dimensions, higher mobility.
4 cl, 8 dwg
FIELD: construction industry.
SUBSTANCE: device has base moving carriage with frame, driving actuators, volumetric hydraulic drive with pumps and driving engines for actuators of left and right boards and stopping brakes with mechanism for controlling these, and also of, mounted on frame of moving carriage via manipulator, feeder frame with rotation gears and traction of drilling base along well axis with hydraulic engines of drives of these mechanisms, while hydraulic rotation engines of drilling base and its feeding gear during drilling are connected to pumps of right and left board instead of actuator drives hydraulic engines, via two-positional holders, which are controlled together with stopping brakes. If brakes are made with braking hydraulic cylinders and control holder for these, two-positional holders are made with hydraulic control, and inputs into chambers for control thereof are connected by mains to input into braking cylinders of stopping brakes. To combine possibilities of drilling vertical and/or horizontal well suspension gear is made in form of four-assembly device, on joints, with hydraulic cylinder for slanting feeder frame, which device is supported by means of transverse beam. To provide for possible drilling at corners of rectangular pit, feeder frame is fixed in intermediate guide of support gear with possible longitudinal displacement, and transverse beam of suspension gear is made symmetrical relatively to longitudinal symmetry plane of carriage.
EFFECT: higher efficiency.
4 cl, 6 dwg
FIELD: oil production industry, particularly for development, repair and drilling oil and gas wells.
SUBSTANCE: facility has frame, drill derrick and drawworks with drilling and bailing drums assembled on the frame, power-driven reduction gear, drive transmission of drilling and bailing drums connecting them with power-driven reduction gear and provided with leading and driven members. Each transmission is arranged in rigid one-piece oil-filled body. Driven member of the transmission has hollow shaft put on shaft cantilever of corresponding drawworks drum. Shafts of leading and driven member are mounted in above body by bearings. Body is provided with hinged unit arranged from leading member side and adapted to support thereof by the frame. Leading member shaft is connected to power-driven reduction gear through double cardan joint.
EFFECT: multiple decreasing of side loads applied to drawworks drum shaft cantilevers, increased life of transmission members and simplified transmission assembling and disassembling.
4 cl, 9 dwg
FIELD: deep-hole drilling and well repair, particularly for rotary drilling and repairing oil and gas wells.
SUBSTANCE: facility includes transportation base with drilling derrick, draw works and draw works and rotor drive transmission. Facility also has rotor with built-in wedge grip arranged on separate mobile base and including rotary table and main gear wheel fixedly secured to rotary table. The main gear is cylindrical and arranged between two radial-thrust bearings inside body of rotary table provided with replaceable and detachable driving attachment arranged in separate body and fixedly connected with rotary table body. The attachment includes cylindrical satellite and drive gear put on drive shaft.
EFFECT: reduced size and extended range of suitable drives.
4 cl, 5 dwg