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WO/2015/077001A1 |
A valve for a reciprocating pump includes a valve seat having a seat rim and a valve body having a stop surface for mating with the seat rim of the valve seat. The valve body is moveable against and away from the valve seat between close...
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WO/2015/072882A1 |
A medium-separation valve, intended for a volumetric-type pump operating under conditions of being submerged below a dynamic level, with the reciprocating motion of a working body in the working cavity of a pump chamber during a sucti...
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WO/2015/065574A1 |
An apparatus, method and system for removing fluids from a well comprising a rotary pump for positioning within the well, the rotary pump including an inlet end and a discharge end, the rotary pump comprising at least one pump impeller i...
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WO/2015/049476A1 |
Autonomous module for the acceleration and pressurisation of a fluid while submerged. The invention relates to an autonomous module (10) for the acceleration and/or pressurisation of a fluid while submerged, comprising at least one pump ...
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WO/2015/041805A1 |
A converterless motor-driven pump system includes an off-grid prime mover. The off-grid prime mover has a rotational driveshaft and operates in response to a throttle control command to control a rotation speed of the rotational drivesha...
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WO/2015/035418A1 |
A reciprocating well pumping unit includes a fluid-driven cylinder to drive a reciprocating rod assembly. A valve controls fluid delivery to the cylinder, the valve having a valve spool capable of being positioned in a first position or ...
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WO/2015/027313A1 |
A pump jack controller is provided that can harness the waste energy generated during the operation of a pump jack when its electrical motor is in an over-speed condition, and convert that waste energy into electrical energy that can be ...
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WO/2015/017810A1 |
A downhole electric submersible pump system (100, 200) includes a plurality of motors (106a, 106b) operatively coupled on a common shaft (107, 207a, 207b) with an electric submersible pump (104) and a downhole switch mechanism (110) for ...
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WO/2015/013136A1 |
An ESP assembly is broken into subassemblies to fit through a lubricator for live well deployment. A lifting device has a shaft transmission feature and associated housing rotational lock for use at the top of the first subassembly and t...
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WO/2015/011369A1 |
The present invention relates to a multiphase pumping device comprising: a pump (110) capable of pumping a pumping fluid; a recirculation circuit (160); and a separating tank (115). The separating tank is connected to an area downstream ...
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WO/2015/009917A1 |
An electrical submersible pump assembly has a pump, a motor and a seal section with a labyrinth chamber. A guide tube surrounds a drive shaft in the seal section and contains lubricant in fluid communication with lubricant in the motor. ...
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WO/2014/207027A1 |
The present invention relates to a downhole pumping assembly for being introduced in a well inside a casing and submerged in well fluid, the downhole pumping assembly extending in a longitudinal direction and being adapted for connection...
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WO/2014/199286A1 |
There is provided a fluid pumping system comprising a pumping chamber containing gas and having a first inlet port adapted to be in fluid communication with an external environment and a first outlet port adapted to be in fluid communica...
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WO/2014/190406A1 |
An apparatus including a sealing device for sealing a wellbore, a first pump for pumping fluids from a lower wellbore section, a pump drive powered using wellbore gas, a gas inlet for supplying the pump drive with wellbore gas, and a gas...
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WO/2014/175776A1 |
The invention relates to electromagnetic downhole pumps. In the bottom end of a housing there are provided a valve assembly with check balls and a shock absorber. The housing has disposed therein a system of pistons for the pump stages. ...
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WO/2014/149758A1 |
An apparatus and method for pumping fluids with a winched rod pumping apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump. A winched rod pumping apparatus, includes a motor driven winch drum ...
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WO/2014/130907A1 |
A method and apparatus for improving the production efficiency of a well and preventing gas lock. The apparatus is a dovvnhole pump and comprises a barrel, a reciprocating plunger and a body having a plurality of inlet valves. The appara...
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WO/2014/124525A1 |
A rod-pumping system is provided. In one embodiment, the system includes a downhole pump (24) positioned in a well (14) and coupled to a well string, such as a sucker- rod string (22). The system also includes a first hydraulic actuator ...
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WO/2014/116137A1 |
The oilwell pump with a mechanical drive from a pumping unit is intended for lifting a liquid out of wells and has the possibility of a spontaneous transition from a plunger-diaphragm mode to a plunger mode of operation by means of destr...
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WO/2014/110681A1 |
Method and apparatus overcoming gas-lock in reciprocating downhole pumps. On the downstroke of a plunger in a barrel, gassy fluid is compressed in the pump chamber between standing and travelling valves. Downhole plunger movement drags a...
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WO/2014/092581A1 |
Pressure volume regulator (20) for control of supply and pressure of barrier fluid for pumps and compressors subsea, comprising an inlet (18) for barrier fluid at an inlet pressure, a first outlet (19) and a second outlet (15), the inlet...
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WO/2014/085270A1 |
A latch system configured to permit one-way automatic passing of a swabbing tool. The latch system having a housing in communication with a well bore and a latch assembly housing a latch member with a latch. The latch is configured to se...
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WO/2014/078851A2 |
Methods and techniques for calculating a pump card in synchronization with the surface card are described. The techniques are developed on a platform in which the finite difference method or the Fourier series method is used to solve the...
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WO/2014/064254A1 |
The present invention relates to a wireline pumping assembly (1) for being introduced in a wellbore (60) or a casing (61) and submerged in well fluid. The wireline pumping assembly extends in a longitudinal direction (50) and is adapted ...
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WO/2014/060859A1 |
The invention relates to a pumping device (1) of the type formed by an extraction column (3) having one end in a liquid to be pumped. At least one rod extends through the extraction column (3), said at least one rod (2) performing a reci...
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WO/2014/058426A1 |
A system located in a subsea environment is disclosed comprising a submersible pump positioned in a well, a hydraulic motor that is operatively coupled to the submersible pump and a pressurized fluid supply pump that is positioned on or ...
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WO/2014/047516A1 |
A hydraulic turbocharger having replaceable, insertable components, including volute inserts, vaned diffuser inserts, nozzle inserts, diffuser inserts, nozzle liners and diffuser liners, that define the internal passageways of a hydrauli...
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WO/2014/037753A2 |
An electrical submersible pump system includes at least one electric motor coupled to a mechanism for hanging the pump system in a wellbore. At least one magnetic gear assembly is coupled at its input to an output of the at least one ele...
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WO/2014/017942A1 |
The downhole pump comprises a two-piece cylinder (1) composed of a hydroprotection cylinder (2) having a sealing device (5) and a cylinder (3) having a suction valve (25). A plunger (4) is equipped at the bottom with a centering shoe (31...
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WO/2014/012195A1 |
A deep-well pump. A direct-current brushless motor controlled by a square wave signal or an alternating-current permanent-magnet synchronous servo motor controlled by a sine wave signal is used as a motor (3) of the deep-well pump. A con...
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WO/2014/007940A1 |
A hydraulic pump powering system includes a mobile vehicle, a first electric current generator device, and one or more electric pump motors. The mobile vehicle has first and second prime movers. The first electric current generator devic...
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WO/2013/191586A2 |
The invention relates to the oil-producing industry and can be used for extracting oil in the presence of high sand content in the formation fluid and large well curvature. The downhole pump assembly comprises a pump, installed in a pipe...
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WO/2013/190287A1 |
Pump A handoperated water pump comprising a pump body, a piston, ahandle at the upper end of the piston, avalve system connected to the pump body and comprising an inlet and an outlet, wherein the lower end of the piston is provided with...
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WO/2013/174238A1 |
A multi-pipe composite jet pump is a jet device for mixed fluid. The pump comprises a main fluid inlet pipe (11), a composite annular injector (100a) and a general injector (100b) which are concentrically and sequentially connected in se...
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WO/2013/177268A1 |
A gas compressor, wherein the gas compressor can be used for compressing gas, vapor, or combinations thereof. The gas compressor includes a drive section and a lower section. The gas compressor can be used in a system for compressing gas...
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WO/2013/160519A1 |
The invention concerns a peristaltic hose pump and an equipment for the peristaltic hose pump. The pump comprises a rotor configured to compress a hose/tube being positioned on the pump cavity inner perimeter. The rotor is coupled to a o...
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WO/2013/149932A2 |
In a method of pumping fluid through a tubing (200) by operating a pulse generator (100) at one end of the tubing (200), the pulse generator (100) reciprocates a displacement member at a frequency of less than 3 Hz to generate pressure w...
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WO/2013/131178A1 |
A counterweighted well pumping unit comprises two or more reversible motors, each of which is directly and operatively connected to a rotatable drive component mounted on a support structure positioned over a wellhead. For each motor, an...
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WO/2013/123762A1 |
A multi-stage pump cylinder hydraulic self-sealing plunger oil-well pump comprises a fixed valve (1), a plunger (9), an upper pump cylinder (8) and a lower pump cylinder (3). The lower pump cylinder (3) and the fixed valve (1) are connec...
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WO/2013/012832A9 |
Detecting a failure mode of a fluid flow controller configured to control fluid flow between first and second chambers of a downhole positive displacement pump and a flow line, wherein the positive displacement pump comprises a piston mo...
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WO/2013/086623A1 |
A pump system for producing fluids from a reservoir using a wellbore having a vertical section with a casing defining an annulus, a transitional section and a horizontal section, and a production tubing having a vertical section and a ho...
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WO/2013/071684A1 |
A direct-drive motor oil-pumping unit consists of a permanent magnet motor (4), a sleeve spline coupling (8), a roller assembly (3), a guide wheel assembly (1), a flexible connection mechanism (2), a truss assembly (6), a weight box asse...
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WO/2013/070979A2 |
Adaptable systems for a surface pumping unit that includes a low inertia pumping unit mechanism having a pneumatic counterbalance assembly are described, as well as methods for the use of such systems for subterranean fluid recovery. The...
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WO/2013/048931A1 |
A down-hole jet pumping apparatus and method for removing accumulated water in a deep, small diameter well bore are described. A surface pumping apparatus pumps chosen fluids, for example produced water from water reservoir, through a 3-...
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WO/2013/040334A2 |
Provided are various devices and processes that harness the inherent kinetic energy of a flowing pressurized fluid to drive a compressor to compress a fluid without any need for electrical or chemical energy. The flowing drive fluid flow...
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WO/2013/033959A1 |
An oil pumping machine with a gear reciprocating on a rack comprises a machine seat (1), a machine body (2), overhead traveling cranes (3, 4), a steel wire rope (5), a motor (6), a speed reducer (8), a gear (9), and a rack (11). A rack s...
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WO/2013/023466A1 |
A tower-type double-chain belt oil pumping machine comprises: a tower frame (10), a first belt roller (14) and a second belt roller (15) separated from each other in parallel being disposed on the top of the tower frame, an upright devic...
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WO/2013/021387A1 |
A well pump system that comprises: a pressure pipe; a rotatable shaft surrounded by a plurality of bearings; a pumping mechanism mounted to the pressure pipe and having a plurality of pump impellers mounted to a second end of the shaft; ...
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WO/2013/010244A1 |
Apparatus and methods for producing natural gas from a well that include operating in a gas production phase wherein liquid can accumulate in a liquid accumulation zone as natural gas is being extracted from a gas production chamber, and...
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WO/2013/007566A1 |
The present invention relates to a downhole hydraulic pump for providing fluid pressure during downhole operations, comprising a pump housing, a cam shaft rotatably arranged in the pump housing and having a longitudinal spin axis, the ca...
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