SUBSTANCE: invention relates to space engineering, namely to devices for soil sampling, performing channels for installation of research sensors and other devices at a specified depth, and can be used for studying planets, comets and other celestial bodies. Ultrasonic drill consists of a piezoelectric converter of electric oscillations into mechanical ones, a concentrator-amplifier of mechanical vibrations a working tool, devices of vertical displacement and swinging motion. Working tool has a peripheral tubular section with a diameter exceeding the diameter of the piezo converter and a central conical section. Between the central and the peripheral sections there are through channels. Working tool is mechanically and acoustically connected to the concentrator made in the form of a metal rod of variable cross-section consisting of interconnected by smooth transitions cylindrical sections of different diameter and length, herewith the concentrator section connected with the tool in a cone-like manner changes the diameter from the diameter of the connection site to the diameter of the piezo converter, on its outer surface there are soil-removal channels.
EFFECT: technical result is higher efficiency of drilling.
1 cl, 1 dwg
SUBSTANCE: ultrasonic drag head is designed for drilling of ground to the depth of up to 2 metres at the speed of up to 20 mm/min per passto take samples without changing the composition. Drag head consists of an ultrasonic oscillating system with a working tool, an ultrasonic generator and a control system. Ultrasonic generator and control system are fixed on a space lander. On a waveguide of ultrasonic oscillating system there installed is a frame on which heat-insulated containers to take ground samples with a turning opening/closing mechanism, heat accumulators and a passive temperature stabilisation system are fixed. Ultrasonic oscillating system is equipped with a temperature sensor of drag head containers, which is connected to the control system of drag head. Sizes of each next element of the ultrasonic oscillating system are chosen based on compliance with resonant frequency of piezoelectric converter.
EFFECT: invention is able to take ground samples without thermal destruction and evaporation of volatile components.
SUBSTANCE: drag head includes a drilling machine with a control system and a penetrator, which is fixed on a space lander. Heat insulated containers for soil sample excavation are fixed on the penetrator. The drilling machine is equipped with a temperature sensor of a penetrator tip, which is connected to the control system of the drilling machine.
EFFECT: invention allows improving quality of obtained soil samples.
4 cl, 6 dwg
SUBSTANCE: method includes erection of the main and auxiliary shafts with a drilling rig from a shelter building, installation of sealing and heat-insulating ramps in shaft collars. One of the auxiliary shafts is erected in the form of a microscope, drilled from an exploratory well by means of its expansion from an inner mine tunnel until reaching the surface of an nonterrestrial object and used as a saving shaft, which on the surface via a gate chamber contacts with a landing complex of a spacecraft. In the saving shaft in the area of its connection with the inner mine tunnel there is a sealing heat-insulation ramp installed, drilled solids are distributed into a crater of the nonterrestrial object.
EFFECT: invention makes it possible to carry out salvage operations and to ensure the necessary ventilation in mines and pits, and also to establish a connection between the shafts on the nonterrestrial object surface.
4 cl, 1 dwg
SUBSTANCE: invention relates to space engineering. Proposed device comprises pipeline 5, assembly to transfer container via pipeline and assembly to prepare and load container. The latter comprises rotary support 8 arranged on fixed support 7, bush 18 to accommodate container 17 and container cover 18. Transfer assembly comprises housing 19 accommodating gas-tight sleeve 20 representing, in initial position, a flat tape. Sleeve open end is tightly jointed with housing 19. Space 22 is communicated via air line 11 and start-and-shut-ff valve 12 with compressed gas source 10. Bush 16 has spring-loaded flange 24 and is locked by pyro cotter 27. Cover 18 is locked by pyro cotter 28. Support 8 is also locked by pyro cotter and provided with spring pusher 31 with rod 32 to displace transfer assembly, together with bush 16 and container 17, to under cover 18. Pyro cotter 27 operated, container 17 is closed by cover 18. Pyro cotter 28 and valve 12 operated, sleeve 20, straightening under gas pressure, displaces container 17 along pipeline 5. Delivery of container into autolander from any direction.
EFFECT: higher versatility of proposed device.
9 cl, 6 dwg
SUBSTANCE: invention relates to mining, particularly to methods of building of isolated sealed mines, grooves and mountain-drilling rooms, used for shelter of people, and also for introduction of exploration work and field development of minerals in geological material of nonterrestrial objects. Building method of mines and grooves on nonterrestrial objects includes opening of top horizons by one of shanks, opening of bottom horizon through main shank and delivering of rock from deepening of each shank and horizon by adjacent shank. Structure of main and auxiliary shanks is implemented by boring machine with headstock from building structure - shelter, connected to spacecraft. After spudding of one or other shank on its mouth there are installed sealing and heat insulating shelves. There is continued construction at the outset of auxiliary shank, opening top horizon, then it is continued construction of main shank, top horizon connects both shanks. Delivery of rock from passing of each shank and horizon is implemented by adjacent shank through building structure - shelter and chamber gate by means of carriage bogie. Top horizon is continued to construct up to inlet to lip of nonterrestrial object, outlet of horizon is equipped by chamber gate.
EFFECT: invention provides safe of drilling activities implementation and to reduce material expenses.
2 cl, 1 dwg
SUBSTANCE: invention refers to processing lunar soil and production of helium-3 (He3) on the Moon, including its back side. The complex of facilities for production of (He3) from the lunar soil consists of a source of micro-waves of super-high frequency installed on the lunar surface, and also of control equipment. The source of micro-waves of super-high frequency radiates waves onto a section of lunar soil surface covered with transparent for radiation elastic pressurised jacket; further He is withdrawn from the zone covered with the jacket, is liquefied and collected. The control equipment is installed in points of libration (Lagrange points) of system the Earth-the Moon and is designed to re-translate a control signal to the back side of the Moon.
EFFECT: simplification of process and equipment for production of helium-3 (He3), and also possibility to produce helium-3 (He3) not only on visible side of the Moon, but on its back side.
SUBSTANCE: complex of development tools fro obtaining He3 from lunar soil includes draft gear, drag head, transporter, and receiving and processing unit. Draft gear is made in the form of two similar devices with removable ground traction boosters attached symmetrically at the opposite sides of the draft gear. Receiving and processing unit is placed beyond excavation zone. Receiving tool comprises a number of lunar soil banks obtained by soil casting from excavation zone to the processing unit. At that, the complex includes receiver-emitter device mounted at the draft gear for preliminary soil heating.
EFFECT: improved equipment operation efficiency and energy savings.
FIELD: oil and gas industry.
SUBSTANCE: method includes the rotation and axial delivery of an assembly with a bit and supply of a flushing fluid through an inner cavity of the assembly to the bottomhole, in the flushing fluid loss zone the transfer of the fluid supply to an annular space over the downhole motor through the cross-over shoe by its activating. At the transfer of the fluid supply in the flushing fluid loss zone the isolating compound is supplied at a pressure of 2-6 MPa, flow rate of 8-12 l/s in a volume of 10-30 m3, upstream the injection volume drilling mud is placed, the assembly is put up to the drilling mud zone, pressure up to 3 MPa is generated in the annular space, the isolating compound is flushed to the loss zone in the full volume, the process is withhold until the isolating compound is set and hardened, the cross-over shoe is deactivated, circulation is restored and injection capacity is defined. If the injection capacity is less than 2 m3/h the drilling process is renewed.
EFFECT: increased efficiency of isolation for the flushing fluid loss zones at well drilling.
FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to the device and method of drilling with continuous bit rotation and continuous drill mud supply. The device for drilling rig that contains the first drilling machine with top drive, installed with possibility of vertical movement along guide, and second drilling machine installed between the first drilling machine and well with possibility of the vertical movement along the guide regardless of the first drilling machine with top drive and provided with rotary table, able to withstand weight of the drilling string, rotation drive ensuring continuous rotation of the drilling string, and mud chamber ensuring liquid connection between end of the drilling string and unit for mud supply, at that the mud chamber is equipped with holes for the drilling string containing devices that can close holes for the drilling string ensuring liquid tightness. The second drilling machine is also equipped with the driven casing tongs that ensure connection and disconnection of the element and drilling string, at that the specified driven casing tongs are installed in the mud chamber and are made with possibility of vertical movement to connect/disconnect element and drilling string.
EFFECT: connection/disconnection of pipe elements with drilling string is ensured with continuous bit rotation and with continuous mud supply.
10 cl, 7 dwg
FIELD: oil and gas industry.
SUBSTANCE: method includes drilling of a well borehole by an assembly with the lower power drive and usage of a circulation fluid as a drilling mud. A loss zone is entered and drilling is transferred to the drilling mud, at entry to the loss zone rotary assembly or the upper power drive is switched, a drill string is rotated with a rate of 60-90 rev/min, consumption rate of the drilling mud is set equal to 18-20 l/s at the wellhead pressure of 1-2.5 MPa, the drilling mud is used with a viscosity of 60-90 CP, at the entry to the loss zone cuttings are introduced in a quantity up to 30% of the drilling mud volume and in the progress of the loss zone the passage quantity of cuttings in the drilling mud is reduced up to 8-12% at the loss zone end, the well is washed by the drilling mud without cuttings with a viscosity of 40-60 CP, with the consumption rate of 30-35 l/s and the wellhead pressure of 1-2.5 MPa and drilling is continued till the design reference mark.
EFFECT: improved reliability of the loss zone isolation, sticking of drilling tools is excluded.
FIELD: oil and gas industry.
SUBSTANCE: method includes drilling by an assembly with a hydraulic downhole motor, periodical reciprocating of a drilling string in the complicated zone with simultaneous rotating. Drilling is performed by a bit having a diameter of 220.7 mm, a sloughing rock horizon is drilled and the drilling fluid is used with a density of 1.3-1.4 g/cm3, viscosity of 50-90 CP, load to the bit is maintained within limits of 10-15 t, the drilling fluid is injected with a rate of 32-45 l/s, the productive formation is entered to a depth of 1.0-1.5 m with a zenith angle of 75-85 degrees. The sting below assembly is lifted above the sloughing rock horizon, the process is withheld within 1-2 hours, and the assembly is lifted from the well, logging survey is performed and the same assembly is run in. At running in the setting intervals are worked out, the assembly is lifted out of the well, the production string is run in to the bottomhole with a lower section of casing pipes, a docking device and an upper section of drill pipes, the borehole annulus of the lower section is cemented, the upper section is disconnected from the docking unit, the upper section of the drill pipes is lifted and the casing string with a diameter of 177.8 mm is run with the length from the docking device up to the wellhead, the strings are lined up and the borehole annulus is cemented. A packed-hole assembly with a bit of a diameter of 155.5 mm is run in inside the production string, the interval of the sections line-up is worked out and drilling of the productive formation is continued.
EFFECT: excluded sticking of drilling tools when passing the well through complicated zones.
FIELD: oil and gas industry.
SUBSTANCE: invention is referred to drill rigs with movable rotary mechanism used for drilling of expendable wells. The drill rig includes mast, chain hoist for the string with movable rotary mechanism equipped with hydraulic chuck to retain drill pipes, chain hoist for drill pipe stands with elevator mounted above the chain hoist for the string and equipped with hydraulic chuck to retain drill pipe stands consisting of one or several pipes, carousel arrangement with circumferential cells for drill pipe stands, at that the above arrangement may be moved from the well axis and back, and stationary hydraulic pipe holder. Over chain hoist for the string with movable rotary mechanism there is identical chain hoist with movable straight-way making-up pipe holder coupled kinematically to the above one through two pairs of drive gear and having common reversible drive with it, in result when movable rotary mechanism moves upwards the making-up pipe holder moves downwards and vice a versa, a drill pipe stand pipe disconnected and connected to the string is taken by its upper end by hydraulic chuck of the elevator of chain hoist for drill pipe stands with elevator and removed from the carousel arrangement or accumulated in it with potential automation and synchronisation of operation for all elements the drill rig and alignment in time of working and idling operations for running in and out of drilling string and drill pipe stands as well delivery of the latter from the string to accumulation site and back. The drill rig provides drilling of wells with bore inclination at angle of 45-90° to the horizon.
EFFECT: sufficient reduction in duration of auxiliary operations of the drilling string run in and out is ensured due to their alignment in time.
4 cl, 4 dwg, 1 tbl
FIELD: oil and gas industry.
SUBSTANCE: invention is related to drilling, and namely to water extraction from bore wells using the well drilling device by percussion rotary drilling. The well drilling device by percussion rotary drilling comprises a chisel weight magnifier installed directly over the chisel - above-chisel bit weighting material - fixed to the drill stem and the chisel bit by means of adaptors. The chisel weight magnifier is made as a section of casing pipe, which can be installed at the drill pipe thrusted to the adaptor that connects the drill pipe with a chisel bit at the one side and connection by the adaptor with the drill string at the other side, at that the casing pipe section is centred in regard to the drill pipe by means of protective couplings while the space between these pipes is filled with lead pellet.
EFFECT: improved efficiency of well drilling due to increased rate of drilling.
SUBSTANCE: device includes a drilling bit weight enlarging mechanism installed immediately above the drilling bit - an above-bit weighting device - and attached to a drill string and to the bit by means of adapters. The bit weight enlarging mechanism is made in the form of a piece of a casing pipe that can be installed on a drill pipe so that it is borne against an adapter attaching the drill pipe to the bit on one side and connected by means of the adapter to the drill string on the other side; with that, a piece of the casing pipe is aligned relative to the drill pipe by means of safety couplings, and space between these pipes is filled with lead shots and electrorheological liquid and equipped with an electric field creation device increasing viscosity of electrorheological liquid when striking on the bit.
EFFECT: improving well drilling efficiency due to increase of driving speed.
SUBSTANCE: drilling tool comprises a drill bit (2) connected to the drill rod (1) by a connector (3) of the drill bit. The drill rod is made of sections (11) of the drill rod. Each section of the drill rod comprises an inner section (111) of the rod and a hollow outer section (112) of the rod. The inner section of the rod is fixed with the ability of rotation in the outer rod section. The inner rod sections are joined together and form the inner rod (11') of the drill rod. The outer rod sections are connected together and form the outer rod (12') of the drill rod. The inner rod is connected to the output shaft of the power unit, and the outer rod is rigidly connected to the housing of the power unit.
EFFECT: reduction of friction force between the drill rod and the borehole wall.
14 cl, 7 dwg
FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to drilling. Method of drilling the inclined and horizontal wells in highly porous rocks comprises generation of pressure difference in well-formation system by changing the flushing fluid density. To increase drilling rate by differential use of pressure difference range, additional pressure difference is created by increasing flushing fluid density.
EFFECT: higher rate of drilling.
FIELD: oil-and-gas industry.
SUBSTANCE: at construction of production well, vertical shaft is drilled through rocks, including unstable mud shale, with entry into productive seam, going-in of production string to productive seam, cementing of annular space and drilling the shaft from production string into productive seam. At exposure of horizon with unstable mud shale, mechanical drilling rate is set not over 6 m/h for drilling with increased flushing fluid flow rate of about of 30-40 l/s using drilling solutions with density of 1.12-1.40 g/cm3. After well shaft drilling, drilling assembly performs cleanup job over well shaft with working of the shaft by rotary machine at rotor rpm of 40-100 rpm. Drilling fluid mixed with fibres in amount of 6-15 m3 is forced through the shaft and drill assembly reciprocates over the length of drive pipe. For well shaft casing operation string is lowered section-by-section. First 400-1000 m long section is lowered to well bottom on drill tool and annular space if cemented in interval from bottom to first section head. Cement is cured to lower production string second section. Sections are coupled, annular space is cemented and cement is cured. Production string is sealed.
EFFECT: ruled out sticking of drill tool in drilling unstable mud shale.
2 cl, 3 ex
FIELD: measurement equipment.
SUBSTANCE: instrument includes sleeves for test soil specimens, which consist of rings, a water tray, dies, heat insulation and temperature sensors. With that, sleeves are arranged on telescopic shells of different height, which are installed on the tray.
EFFECT: instrument allows improving reliable determination of deformation of frost boil.