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Matches 251 - 300 out of 861

Document Document Title
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...  
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...  
WO/2013/149932A3
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 (30) at a frequency of less than 3 Hz to generate pressure w...  
WO/2013/043583A3
When a fossil fuel well is producing fossil fuel, lift gas injected into the well to bring the naturally occurring fluids in the well to the surface along with the fossil fuel and the plunger if the well has a plunger. An instrument is p...  
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...  
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...  
WO/2013/136244A3
The present invention relates to a hydraulic mechanical pumping unit with rocking effect, which comprises a compact-design power unit, a pedestal, a hydraulic actuator and a rocking system composed of movable pulleys, a fixed pulley and ...  
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...  
WO/2012/082384A3
A pressure pulsation dampening system for a pump that pressurizes a working fluid. In some embodiments, the dampening system includes a hydraulic cylinder, a valve, and a controller. The hydraulic cylinder has a piston that is movably di...  
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...  
WO/2012/145348A3
A reciprocating linear motor pump, actuated by an expandable material, can be used to pump well fluids from a wellbore toward the surface of the earth. The expandable material can include piezoelectric, electrostriction, magnetostrictive...  
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...  
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...  
WO/2012/055036A8
In a rotary pump having a rotor and a stator in communication with hydrocarbon production tubing, a submersible pump driver assembly includes a drive motor having an output connected by a drive link to the rotor of the pump. A production...  
WO/2012/097773A3
A mechanism for securing a drive unit for borehole pumps against torque is disclosed. The overload generated by the borehole pump and/or the drive unit can be entirely absorbed and/or neutralized by at least one securing element.  
WO/2013/070979A3
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...  
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...  
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...  
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...  
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...  
WO/2011/153011A3
A method of installing or retrieving a pumping system into or from a live wellbore includes connecting a lubricator to a production tree of the live wellbore and raising or lowering one or more downhole components of the pumping system f...  
WO/2013/009432A3
A poppet valve with an integrated dampener is disclosed. In some embodiments, the valve includes a poppet guide with a stem and a hollow poppet is disclosed. The hollow poppet receives the poppet guide stem therein, thereby defining an i...  
WO/2013/012832A3
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...  
WO/2012/146234A3
The invention relates to a reverse rotation protection for borehole pumps, said reverse rotation protection being mounted in a drive head. The reverse rotation protection comprises a housing and a clamping tool for securing a polished ro...  
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-...  
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...  
WO/2012/177179A3
The invention relates to pump technology used in oil extraction with the aid of submersible downhole rod pumps for the simultaneous but separate lifting of formation fluid during the production of two formations in a single well. The ass...  
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...  
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...  
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; ...  
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...  
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...  
WO/2012/092452A3
Pumps and plunger assemblies are provided. An exemplary pump can have or contain a cylinder mounted in a pump housing, a plunger assembly including a crosshead, a plunger, a stationary bushing having substantial portions fixedly mounted ...  
WO/2013/009432A2
A poppet valve with an integrated dampener is disclosed. In some embodiments, the valve includes a poppet guide with a stem and a hollow poppet is disclosed. The hollow poppet receives the poppet guide stem therein, thereby defining an i...  
WO/2012/177179A2
The invention relates to pump technology used in oil extraction and, in particular, to submersible downhole rod pumps for the simultaneous but separate lifting of formation fluid during the production of two formations in a single well. ...  
WO/2012/088197A3
A system for pumping water in a body of water from a first depth to a second depth using energy generated by a passing wave. The system can have a floatable member and a submergible member having a conduit and a valve, a vertical support...  
WO/2012/151488A1
A system (100), method and device may be used to monitor fluid levels in a borehole (104). The system includes a pulse generator (120) to generate a pulse of electromagnetic energy to propagate along the wellbore towards a surface of the...  
WO/2012/141853A1
A double string slurry pump for pumping liquids to the surface of a hydrocarbon well producing both natural gas and liquid fluids. The double string slurry pump includes a hollow tube that raises and lowers the plunger and carries the li...  
WO/2012/102995A3
A pump attachment interface provides a fixed link between a first line in communication with a fluid reservoir, and a second line in communication with a mobile storage tank via a pump of a pump truck. The interface includes an interface...  
WO/2012/102995A2
A pump attachment interface provides a fixed link between a first line in communication with a fluid reservoir, and a second line in communication with a mobile storage tank via a pump of a pump truck. The interface includes an interface...  
WO/2012/058147A3
The portable steel-reinforced HDPE pump station (10) includes a vertically upright, cylindrical wet well (216) fabricated from steel-reinforced plastic. Pumps (18) are disposed in the wet well (216). A pipe (28) connected to the pumps (1...  
WO/2012/097493A1
Disclosed is an oil-pumping machine, which is characterized in that it is composed of a secondary sheave (5) of a wheel-cylinder type driven by an electric motor. The secondary sheave has a first hole (5a) for extracting a balance weight...  
WO/2012/067898A3
An electric motor of an electric submersible pump is electrically isolated from a power conduit for diagnostic testing of the power conduit and wet connection components in place within a wellbore. The electric motor is electrically conn...  
WO/2012/092452A2
Pumps and plunger assemblies are provided. An exemplary pump can have or contain a cylinder mounted in a pump housing, a plunger assembly including a crosshead, a plunger, a stationary bushing having substantial portions fixedly mounted ...  
WO/2012/088197A2
A system for pumping water in a body of water from a first depth to a second depth using energy generated by a passing wave. The system can have a floatable member and a submergible member having a conduit and a valve, a vertical support...  
WO/2012/016267A3
The invention relates to an apparatus (1) for conveying liquids, in particular well water, comprising a motor, a crank (2) which is driven in rotation indirectly or directly by the motor, a pump pipe (3) in which the liquid can be convey...  
WO/2012/067898A2
An electric motor of an electric submersible pump is electrically isolated from a power conduit for diagnostic testing of the power conduit and wet connection components in place within a wellbore. The electric motor is electrically conn...  
WO/2012/067638A1
A pump for removing liquids from a well comprising: an elongated cylindrical pump chamber having a first cover on the top end of said chamber and a second cover on the bottom of said chamber, said pump chamber arranged to receive liquid ...  
WO/2012/058147A2
The portable steel-reinforced HDPE pump station (10) includes a vertically upright, cylindrical wet well (216) fabricated from steel-reinforced plastic. Pumps (18) are disposed in the wet well (216). A pipe (28) connected to the pumps (1...  
WO/2012/058658A1
A progressing cavity rotor facilitates pumping applications in progressing cavity pumping systems by ensuring a desired shape of the rotor. A resilient layer is placed over a rotor core to create a composite progressing cavity pump syste...  

Matches 251 - 300 out of 861