Интеллектуальная собственность

FIELD: hydro-geological well research, in particular, engineering of equipment for taking liquid samples from wells of various level depths. ! SUBSTANCE: device includes rod with diaphragms in form of plugs, cylinder-shaped body with drain ports. Body is mounted on external side of upper diaphragm with possible longitudinal movement relatively to the rod. From above body is provided with hydraulic chamber with a wall. Hydraulic chamber from above is connected to pipes column. Piston, spring-loaded from below and hermetically enveloping the rod, is mounted inside hydraulic chamber. Circular recesses narrowing towards the top are made on external surface of rod above diaphragms, with distance between them equal to distance between diaphragms. Analogical circular recesses, narrowing towards bottom and equipped with stopper rings, are made on internal surface of wall and piston. Stopper rings are made with possible interaction with circular recesses of rod. From below the body is equipped with tail piece with longitudinal side channels. From below hydraulic chamber is equipped with technological apertures. ! EFFECT: increased reliability and division quality of samples taken. ! 1 dwg Подробнее

FIELD: oil production industry, particularly well construction and repair. ! SUBSTANCE: device comprises telescopically arranged inner and outer bodies, as well as valve with seat. Windows are made in lower part of outer body. Inner body is hollow and provided with splines and with valve arranged on outer surface thereof. The valve is made as plug installed over the seat. The seat is retained on inner surface of outer body by means of breakable member and is provided with fingers. Valve and seat may cooperate with each other in working position. Axial grooves for finger receiving are formed in outer surface of outer body. Outer body is additionally provided with packer made as elastic sleeve and located below upper windows. The packer is fixed relatively outer body from below and is reinforced with shell located inside the packer. Expanding cone is arranged on outer surface of outer body over the shell. Cone is connected to seat fingers and may be fixed with respect to outer body and cooperate with packer in working position. Upper body top is threadedly connected with sub provided with grooves formed in inner surface thereof. In initial position inner body is connected with the sub by means of shear screw. Inner body splines are joined with sub grooves. In working position upper windows may be hermetically closed with expandable cone. ! EFFECT: simplified structure and increased load-bearing capacity. ! 1 dwg Подробнее

FIELD: oil industry, particularly methods or devices for cementing, for plugging holes, crevices, or the like. ! SUBSTANCE: method involves drilling well up to design depth; lowering production string provided with glass-fiber liner; cementing well. Glass-fiber liner with closed lower end having wall thickness 10-15% smaller than that of production string wall is used. Packer is arranged over glass-fiber liner. Coupling with orifices is located over the packer. Production string is inserted in well so that the coupling is opposite to upper producing formation level. Then packer is installed. Well cementing is carried out by forcing cement via production string, through coupling orifices and hole annuity up to well head. Then the well is left as it is up for cement hardening, glass-fiber liner is drilled and well is completed. ! EFFECT: increased producing ability. ! 1 ex Подробнее

FIELD: hydro-geological well research, namely, equipment for taking liquid samples from well levels of different depth. ! SUBSTANCE: device includes cable suspension, rod with diaphragms made with possible axial movement relatively to rod, cylindrically shaped body. Body is made in form of cylinders mounted one above another, each one of which is equipped from below with channels having valves. From above body is equipped with low pressure chamber, by means of which it is connected to cable suspension. From below body is equipped with hollow tail with technological groove on external surface, and on outside it is provided with bushing having spring localizers and a pin below. Pin interacts with technological groove. Bushing is made with possible hermetic closure of body cylinder channels. Rod is mounted hermetically and rigidly in the body and is made hollow and is muffled from below. Diaphragms are made in form of circular pistons mounted below each cylinder of body. Sub-piston hollow of each cylinder through channel with valve is connected to internal well space, above-piston area is connected to low pressure chamber via through apertures of rod. Technological groove is made in form of longitudinal recesses gradually extended downwards, connected by profiled groove. During reciprocal movement of bushing relatively to body pin moves successively to longer and longer longitudinal recesses, while successively opening channels of cylinder in downward order one by one. ! EFFECT: increased reliability and quality of separation of samples. ! 2 dwg Подробнее

FIELD: oil extractive industry. ! SUBSTANCE: device includes tail with tubing column lowered into it, disconnector, provided with left thread for connection through the sleeve to upper end of tail, shoe with through channel and a sleeve. In accordance to invention device is provided with packing unit, consisting of body with cylindrical elastic sleeve pinned on it with circular external and internal grooves, abutting from below on rigidly mounted bushing and contacting moveable bushing from above, which is in its turn in contact with protective bushing. Spring stopper ring is mounted between ends of bushings. Protective bushing is equipped with shear screws, positioned in longitudinal grooves of body, connected by other ends of lesser diameter to controlling bushing, mounted inside the body, connected to it and made with cylindrical recess on end portion on internal side. Upper part of body is equipped with radial channels, covered on external side with elastic sleeve-valve. On ends the body is connected to sleeves with packing rings inside and plastic localizers outside. Upper sleeve is connected to tail, while lower one is connected to perforated portion of tail, and the latter is connected to shoe, between ends of which packing bushing is mounted. Tubing column with head on end in middle part is equipped with potting unit. The latter consists of branch pipe with cylindrical recess, mounted in which are spring stopping ring and a set of collars, loaded from above by potting body with radial channels, in original position closed by moving valve in form of barrel, connected to potting body and equipped with elastic ring. Upper part of tubing column is connected to sub, mounted inside the disconnector. Positioned between ends of disconnector and tail piece is supporting bushing, having two longitudinal thickened portions on internal side, positioned oppositely to each other, connected to sleeve of tail and interacting by upper ends of thickened portions with lower ends of connectors. ! EFFECT: simplified construction, expanded functional capabilities of device. ! 4 cl, 2 dwg Подробнее

FIELD: oil extractive industry. ! SUBSTANCE: device includes tail with tubing column lowered into it, disconnector provided with external left thread for connection through sleeve to upper end of tail, shoe with through channel and sleeve. In accordance to invention device is equipped with packing unit, consisting of body with cylindrical elastic collar pinned on it with circular external and internal grooves, abutting from below on rigidly mounted bushing and contacting from above the moveable bushing, interacting with protective bushing, between ends of which spring stopping ring with cuts is positioned, while on the body oppositely directed cuts are made for these. Protective bushing is provided with shear screws positioned in longitudinal grooves of body, connected by other ends of lesser diameter to controlling bushing mounted inside the body, connected to it by shear elements and made with cylindrical recess on end part on internal side of it. Upper part of body is provided with radial channels, closed on outside by elastic sleeve valve, rigidly held in lower part. On ends body is connected to sleeves with packing rings inside and plated localizers outside. Upper sleeve is connected to tail, while lower one, made with circular shelf inside, is connected to perforated portion of tail, and the latter is connected to shoe, between ends of which packing bushing is mounted. Tubing column with head on the end in middle part is provided with potting unit, consisting of branch pipe with cylindrical recess outside, mounted in which are spring stopping ring and a set of collars, loaded from above by potting body with radial channels, in original position closed by moving valve in form of barrel, connected to potting body by shear elements and provided with elastic ring projecting towards inside. Upper part of tubing column is connected to sub having connectors on external surface, mounted inside the disconnector, having recesses for connectors, positioned above which on sub is stopping bushing, connected to the latter by means of shear screws. ! EFFECT: simplified construction and expanded functional capabilities of device. ! 4 cl, 1 dwg Подробнее

FIELD: oil extractive industry. ! SUBSTANCE: device includes a tail with tubing column lowered therein, disconnector in form of a sub connected by upper section to lifting pipes, and by lower section to tubing pipes, also provided with external leftward thread for connection through sleeve to upper end of tail and a shoe with through channel and a sleeve. In accordance to invention device is provided with packing assembly consisting of body, upper supporting bushing rigidly mounted thereon, cylindrical elastic collar with circular external and internal grooves, abutting against moveable internal bushing below, between end of which bushing and moveable external bushing below a spring stopping ring with cuts is mounted, and matching cuts of opposite direction are made on the body. Moveable external bushing is provided with shear screws positioned in longitudinal grooves of body and connected by other ends of lesser diameter to controlling bushing, mounted inside the body and connected thereto by shear elements. Body of packing assembly by its lower section is connected to filling sleeve provided with radial channels, which sleeve is in turn connected to perforated section of tail piece, and the latter is connected to the shoe. Tubing column via stepped sub is connected to nipple in form of branch pipe with radial channels in middle section, closed by saddle in starting position. Branch pipe is provided with packing elements below and above the radial channels, spring-loaded with nuts. Nipple in lower section is connected to end piece. In the sleeve connecting aforementioned shoe to perforated section of tail, supporting bushing is mounted with central through channel with a tail piece let through it, provided with shear screws, which by sections of lesser diameters are connected to lower press nut of nipple. ! EFFECT: simplified construction, expanded functional capabilities of device. ! 3 cl, 1 dwg Подробнее

FIELD: oil industry. ! SUBSTANCE: rod well pump comprises the pipe column, column of hollow rods, shank mounted in the bottom section of the pipe column, and differential pump. The bottom section of the pump is provided with sucking and delivery valves. The top section of the pump is ring-shaped and provided with sucking and delivery valves. At the well exit the column of hollow rods is provided with flexible hose. From below the shank is provided with bellows with inlet passage whose volume exceeds that of the bottom section of the pump. ! EFFECT: enhanced reliability. ! 1 dwg Подробнее

FIELD: oil industry, in particular, construction and maintenance of wells. ! SUBSTANCE: device includes telescopically positioned internal and external bodies, saddle with valve. In lower part of external body windows are made. In accordance to invention internal body is made hollow, is provided with slots and a valve mounted on external surface in form of a plug above the saddle. Saddle is held on internal surface of external body by destructible element and is equipped with fingers. Valve and saddle are made with possible interaction in working position. External body, on external surface of which axial grooves are made for fingers of saddle, is provided additionally above windows with packer in form of elastic sleeve, fixed in lower part relatively to external body and reinforced from inside with shell, cone connected to fingers of saddle and made with possible fastening relatively to external body and expansion of packer in working position. External body from above is connected by left thread to a sub. On internal surface of aforementioned sub grooves are made underneath. In source position internal body is connected to sub via locking mechanism. Slots of internal body are mated with grooves of sub. ! EFFECT: simplified construction of device and increased reliability of its operation. ! 2 cl, 1 dwg Подробнее

FIELD: oil extractive industry, in particular, construction and maintenance of wells. ! SUBSTANCE: device includes telescopically mounted internal and external bodies, a saddle with a valve. In lower section of external body windows are made. In accordance to invention, internal body is made hollow, equipped with pins and valve mounted on external surface in form of stopper above the saddle. Saddle is held on internal surface of external body and is provided with shear fingers and spring valve. Valve and saddle are made with possible interaction in working position and with possible fastening relatively to each other by means of spring ring. External body, on external surface of which axial grooves are made to accommodate saddle fingers, is additionally equipped with packer in form of elastic sleeve positioned above windows and held from below relatively to external body and reinforced with a shell from inside. External body is also equipped with technological bushing, connected to saddle fingers and made with possible fastening relatively to external body and interaction with shell from below. External body from above is connected to sub, on external surface of which grooves are made from below. In starting position internal body is connected to sub. Pins of internal body are joined with grooves of sub. Length of shell is selected to be less than two lengths of elastic sleeve. ! EFFECT: simplified construction of device and increased reliability of its operation. ! 2 cl, 1 dwg Подробнее

FIELD: oil extractive industry, in particular, well pump devices. ! SUBSTANCE: device contains a column of lifting pipes, a column of bars, packer, tail and differential pump with hollow plunger, while suction and force valve of upper section of differential pump are mounted on the side. In accordance to invention column of bars is made hollow and is connected hermetically to plunger of pump so that hollows of column of bars and plunger are connected, and upper section is provided with bypass channel and may connect by this channel, during downward movement of column of hollow bars with plunger, to internal space of lifting pipes through force valve, which is positioned in immediate proximity of suction valve. Below the plunger a rod is mounted with possible axial movement and forced simultaneous opening of suction and force valve of lower section of device for simultaneous separate operation of two beds in a well. ! EFFECT: possible separate measuring of debit of each bed, and separate field extraction of product of beds when necessary, and also possible inspection of each bed during operation without shutdown of well and extraction of pump. ! 2 cl, 1 dwg Подробнее

FIELD: oil production industry, particularly for casing pipe cementing. ! SUBSTANCE: clutch comprises body with cementing orifices, bush-like shell arranged outside the body and defining annular cavity along with the body, as well as additional bush installed in the cavity. The body is provided with channels, which communicate annular cavity with body. The clutch has support bush, tail and adapter. Bush-like shell is rigidly connected to the body. Additional bush has channels communicating body interior with well annulus through cementing orifices. The clutch has gate installed in the body and connected to support bush. The clutch is also provided with tail to be installed inside the body and connected with the adapter. Check valve is installed in lower adapted part under transversal partition with longitudinal orifices. Channels, which communicate adapter interior with tubing-casing space, are created over the partition. Bush is slidably installed on adapter and is provided with spring retaining ring. Upper adapter part is connected with clutch with longitudinal ribs and has annular groove for spring retaining ring receiving, which is formed on outer surface thereof. ! EFFECT: simplified structure, reduced metal consumption, increased productivity and cementing quality. ! 1 dwg Подробнее

FIELD: oil production, particularly obtaining oil from a multiple-zone well. ! SUBSTANCE: method involves lowering pump connected to flow string to upper formation level, wherein the pump has extension pipe and packer; isolating upper formation from lower one by above packer; extracting oil from above formations by above pump with the use of additional valve installed on pump extension pipe under packer in lower formation zone, wherein the valve may be closed from upper formation side; fixing maximal possible stable summary volume of product to be extracted from formations by pump capacity change; measuring dynamic level of product in upper formation and as summary volume of extracted product decreases during further well operation above dynamic level is measured; recovering above dynamic level by pump capacity change. Water ingress from upper formation into lower formation is prevented. ! EFFECT: provision of stable oil production from two formations so that summary produced oil amount is close or equal to sum of formation outputs regardless of formation pressure and oil viscosity in different formations. ! 4 cl, 1 tbl, 1 ex, 1 dwg Подробнее

FIELD: medical equipment, in particular, wound surface treating facilities. ! SUBSTANCE: apparatus has shank and head with abrasive coat formed from medicinal drug Xemidon. Head is sized and configured depending on area and configuration of surface to be treated. Shank is adapted to be secured in cartridge of surgical electric drill. ! EFFECT: enhanced stimulation of healing processes causing intensified healing of wounds and trophic ulcers. ! 3 cl, 1 dwg, 1 ex Подробнее

FIELD: oil extractive industry. ! SUBSTANCE: method includes drilling of well for project depth, lowering of operation column and cementation of operation column. Further drilling is performed by means of chisel of lesser diameter. Tubing string with tail piece made of glass-fiber plastics is lowered. Lower section of tail piece made of glass-fiber plastics is mounted for 2-3 meters lower than oil-saturated bed. Well shaft above the tail made of glass-fiber plastics is filled with oil or solution preventing swelling of argillaceous rocks. Inside tubing string and the tail made of glass-fiber plastics flexible metallic pipe is lowered to well face, containing a portion of backfill substance necessary for mounting of impenetrable bridge within interval from the face up to depth of 2-3 meters below the tail made of glass-fiber plastics. Backfilling of watered ranges is performed by feeding a portion of backfill substance from flexible metallic pipe. Flexible metallic pipe is raised from the well with adding of water into tubing string. On rods column a pump is lowered into tubing string. In case of presence of higher watered ranges they are isolated by profiled covers. ! EFFECT: preservation of collector properties of productive bed. ! 2 cl, 1 ex Подробнее

FIELD: oil production industry, particularly for well operation in complicated environment. ! SUBSTANCE: plant includes main cased well bore, additional well bore provided with extension pipe and pump. In accordance with the first embodiment main well bore is drilled up to reaching roof of upper clay rock interval. Extension pipe is arranged in additional bore of oil production well, spaced therefrom and is not subjected to cementation. Extension pipe is provided with packing devices located above roof of each clay rock interval penetrated by additional bore of oil production well. Extension pipe is perforated below bottom of each clay rock interval and provides clay rock interval flooding with oil during production well operation. In another embodiment main oil production well bore is drilled up to reaching roof of upper clay rock interval. Extension pipe is arranged in additional bore of oil production well, spaced therefrom and is not subjected to cementation. The extension pipe is connected with pump. Lower end of the extension pipe extends below clay rock interval and provides flooding of above interval with oil during oil production well operation. ! EFFECT: increased oil production output and reliability of clay rock interval isolation from water. ! 2 cl, 2 dwg Подробнее

FIELD: oil and gas industry, particularly for completing oil and gas wells. ! SUBSTANCE: method involves boring well over planned drilling depth; covering productive bed with sand; arranging cement bridge of 2-4 m height over sand layer; driving casing pipe up to reaching bed roof; cementing hole annuity of casing pipe up to well head; drilling cement bridge; washing out sand; deepening shank; cementing hole annuity around shank and punching shank within the thickness of productive bed. ! EFFECT: retention of collecting properties of productive bed and reduced cost. ! 1 ex Подробнее

FIELD: oil production industry, particularly for oil well construction and repairing. ! SUBSTANCE: device has body with radial channels, sockets, centralizer disposed in lower part and with packer means. Packer means includes elastic collar introduced between upper and lower rests, anchoring unit, shaft arranged inside body with radial channels and sockets. Locking balls are disposed in body sockets and in shaft sockets. Spring-loaded closure member is installed above radial channels from body periphery. Movable seat is located inside shaft. Body has longitudinal slots. Shaft in lower part thereof is connected with connection pipe which in turn is joined with pusher by shear members through longitudinal body slots. Pusher cooperates with rams of anchoring unit. Upper rest of packer means is motionless, lower rest of packer means is movably mounted relative body. Centralizer has split bushing arranged into centralizer and restrictive bushing is installed in split bushing. Restrictive and split bushings are connected one to another by shear members which also fix movable seat. ! EFFECT: increased reliability of liner fixation in well, provision of necessary sealing gap between device and well wall, simplified production, assemblage and use. ! 2 dwg Подробнее

FIELD: oil extracting industry. SUBSTANCE: device has body, depression and slag-accumulating chambers with reciprocal valve, compacting and shear elements, means for lowering and raising and perforated shank. Body is made with a shelf on upper part and with two rows of radial channels which are overlapped by upper spring-loaded bushing in default position, and is also equipped with a nipple. Radial channels are separated by solid transversal wall. Nipple is made with upper and lower ring- shaped stops, between which through apertures are made with fixing balls mounted in them. Nipple is connected to perforated shank and is also telescopically connected to the body. In default position fixing balls are engaged with lower bushing on the outer side. Lower bushing is connected to the nipple by a shear element, and spherical grooves are made on outer surface of body. Upper and lower bushings are made with cylindrical groove on inner surface and are mounted with possible longitudinal displacement. Lower ring-shaped stop of nipple is equipped with packing elements, and its outer diameter is selected to fit inner diameter of mounting bushing. Perforated shank is equipped with solid stop with a shelf and fixing ring on outer surface. Mounting bushing is connected to body of supporting assembly by a shear element, said body being a part of casing string. Outer diameter of solid stop is selected to fit inner diameter of condensing funnel. As depression and slag-accumulating chambers means for lowering and raising of device is used. Condensing funnel is mounted in cylindrical bore of mounting bushing of supporting assembly and is connected to it by shear element for engaging solid plugs mounted in casing string oppositely to productive layer. EFFECT: increased functional capabilities. 1 dwg Подробнее

FIELD: oil producing industry, particularly, means for protection of formation reservoir properties. SUBSTANCE: liner has packer and plugged from bottom pipe string with check valve. Packer is made of two oppositely directed self-sealing packings. Check valve is made in form of hole in liner lower part and additional self- sealing packing installed with its funnel downward. In upper part of liner, but below packings, hole may be made which is closed with slide valve having float with positive buoyancy in oil. EFFECT: simplified design of liner and technology of its operation. 2 cl, 3 dwg Подробнее