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Patent Searching and Data


Matches 351 - 400 out of 803

Document Document Title
WO/2007/009318A1
The invention relates to equipment of reciprocation oil immersible electric magnet pump with cable wire. The electric pump well outlet and an electrically controller are installed at the up end of the equipment. The electric pump well ou...  
WO/2007/008183A1
The invention relates to the oil-and-gas industry. The inventive hollow rod of a rod string for a deep-seated sucker rod pump plant comprises a tubular body and heads. Each head is embodied in a solid manner and is sealingly fixed to the...  
WO/2006/132541A1
The present invention relates to a subsea compression system for well fluid boosting by compressing hydrocarbon gases and pumping hydrocarbon liquids where said system comprises one or more subsea compression stations and one or more lon...  
WO/2006/126886A1
The present invention relates to a device for the selective movement of a well tool (20, 20', 40) in or through at least a portion of a pipe string (2), said at least one portion of the pipe string (2) being provided with a plurality of ...  
WO/2006/122359A2
A hydraulic pump assembly (1) for pumping fluid from a first location to a second location, the assembly having a chamber (3) having an inlet (16) and an outlet (42); a hydraulic motor (2) housed within the chamber (3); a progressing cav...  
WO/2006/122359A3
A hydraulic pump assembly (1) for pumping fluid from a first location to a second location, the assembly having a chamber (3) having an inlet (16) and an outlet (42); a hydraulic motor (2) housed within the chamber (3); a progressing cav...  
WO2006056755A3
There is disclosed a monitoring system for monitoring alignment of a piston rod assembly of a reciprocating pump, such as those used to pump drilling mud in the oil and gas exploration and production industry. In one embodiment, a monito...  
WO/2006/063562A1
The invention relates to a pump arrangement (6) for transporting a liquid, especially crude oil, from a borehole. Said pump arrangement (6) operates with a hydraulically actuatable pump piston (22). The invention is characterised in that...  
WO/2006/056755A2
There is disclosed a monitoring system for monitoring alignment of a piston rod assembly of a reciprocating pump, such as those used to pump drilling mud in the oil and gas exploration and production industry. In one embodiment, a monito...  
WO/2006/032145A1
An intermittent lift plunger (10) for intermittently lifting fluids from a well includes at least one seal mandrel (14) with a plurality of openings (16), a bottom sub (22) and an upper valve assembly (12). The valve assembly is closed b...  
WO/2006/029570A1
An oil pump used in deep well especially a nc reciprocating immersible oil pump, which can integrate a power equipment and the oil pump and adjust the parameter on-line, comprises a balance sieve tube, a power equipment and the oil pump,...  
WO/2006/027562A1
A wellbore-external underwater pumping system for pumping process fluid into or out of a wellbore is described. The pumping system comprises a piston pump driveable that is driveable by a drive fluid.  
WO/2006/021079A1
An electromagnetic ram for use in artificially lifting fluid from a well and in particular an oil well. The disclosure also teaches a method and system employing the ram. The use obviates existing systems used today in terms of cost, env...  
WO/2006/017338A2
A hydraulic turbocharger having an outer housing having a first section, a turbine end section and a pump end section. The pump end and turbine end sections are removably secured to the first section. A first cavity being formed between ...  
WO2005017354A3
A portable pump includes a rotating elliptical plate mounted on a rotating shaft, an elliptical plate follower with rollers or bearings positioned on the top and bottom surfaces of the rotating elliptical plate at a fixed distance from t...  
WO/2005/121507A1
A system and method are provided for identifying underperformance in a pumping system used to produce a desired fluid. Various conditions are sensed during operation of the pumping system, and those sensed conditions are used to determin...  
WO/2005/116451A1
A pump for evacuating heavy oil containing mechanical impurities and embedded in strata is disclosed. The pump includes one or more tanks (4), each with a flexible membrane (5), situated in an external pump casing. Each flexible membrane...  
WO/2005/108790A1
There is disclosed a valve cap for sealing an aperture in a pump; a plugging assembly for use in a valve cap to provide a seal at an aperture in a pump; a docking unit for use with a plugging assembly for sealing an aperture in a pump; a...  
WO/2005/108743A1
The present invention includes methods and apparatuses to pump fluids from a depth of a wellbore. The methods and apparatuses preferably use a hydraulically actuated reciprocating pump (fig 1) to pump fluids from the subterranean depths ...  
WO2005059364B1
A reciprocating pump includes a stationary housing and a travelling housing. The travelling housing is telescopically received within the stationary housing and is movable from a retracted position to an extended position. A screw is pro...  
WO/2005/073555A1
A piston type pumping apparatus comprises a vertically oriented cylinder having a top and a bottom with a first aperture. There are first and second passageways for liquid in the cylinder at the top and bottom respectively thereof. A pis...  
WO/2005/071264A1
Hydraulic motor arrangement comprising a hydraulic motor (1), and supply means for supplying a drive liquid to the hydraulic motor (1) to drive the hydraulic motor. The supply means comprises a first (10) and a second (20) expel reservoi...  
WO2004074637A3
The present invention is a cylindrical linear fluid motor (10) comprising a plurality of reciprocating rotary piston sleeve (42) intermediate an inner coaxial hollow drive shaft (20) and an outer cylindrical housing (30). Rotating disc v...  
WO/2005/059364A1
A reciprocating pump includes a stationary housing and a travelling housing. The travelling housing is telescopically received within the stationary housing and is movable from a retracted position to an extended position. A screw is pro...  
WO/2005/050022A1
Provided herein are exemplary embodiments of an efficient pump apparatus. In one embodiment the pump apparatus comprises a piston assembly loosely disposed within a cylinder. The piston assembly includes a driving cable connecting a top ...  
WO2005017299A3
A piston pump for submerging in an oil well, consisting of four pistons that, by means of a fixed interlock (105) between two opposing pistons and a cog wheel interlock (104) between these and the two other pistons, get two oncoming pist...  
WO2004094770B1
A downhole pump includes a pump barrel defining a pumping chamber having a first end and a second end, a first one-way valve positioned at the first end of the pumping chamber, a second one-way valve positioned at the second end of the p...  
WO2005001231A3
A submersible pump (10) for attachment to the lower end of a well pipe discharge tube (100) for insertion in liquid includes a stationary collecting tube (20) for collecting the liquid and an upward and downward reciprocating pumping tub...  
WO/2005/017299A2
A piston pump for submerging in an oil well, consisting of four pistons that, by means of a fixed interlock (105) between two opposing pistons and a cog wheel interlock (104) between these and the two other pistons, get two oncoming pist...  
WO2004094770A3
A downhole pump includes a pump barrel defining a pumping chamber having a first end and a second end, a first one-way valve positioned at the first end of the pumping chamber, a second one-way valve positioned at the second end of the p...  
WO/2005/017354A2
A portable pump includes a rotating elliptical plate mounted on a rotating shaft, an elliptical plate follower with rollers or bearings positioned on the top and bottom surfaces of the rotating elliptical plate at a fixed distance from t...  
WO/2005/015024A1
A pump comprises pumping means (1) of a fluid and galvanic protection means (3, 4) arranged to protect against corrosion said pumping means (1), said galvanic protection means (3) comprising sacrificial anode means (4) arranged in direct...  
WO/2005/001231A2
A submersible pump (10) for attachment to the lower end of a well pipe discharge tube (100) for insertion in liquid includes a stationary collecting tube (20) for collecting the liquid and an upward and downward reciprocating pumping tub...  
WO2004065792A3
The present invention generally provides apparatus and methods of operating a pumping system. The pump control apparatus includes a first sensor for measuring strain on a structure of the well pumping system and a second sensor for measu...  
WO/2004/099618A1
The inventive pumping plant can be used for pump engineering, the mining, petroleum and gas industries for extracting liquid from wells. Said pumping plant is provided with two cavities which are arranged in each hollow rod, isolated fro...  
WO/2004/094770A2
A downhole pump includes a pump barrel defining a pumping chamber having a first end and a second end, a first one-way valve positioned at the first end of the pumping chamber, a second one-way valve positioned at the second end of the p...  
WO/2004/074637A2
The present invention is a cylindrical linear fluid motor comprising a plurality of reciprocating rotary piston sleeve intermediate an inner coaxial hollow drive shaft and an outer coaxial cylindrical housing. Rotating disc valves at bot...  
WO/2004/065791A1
A gravity water pump pumping various kinds of fluids, including a waterfall, river water and drizzle, and gases heavier than air, using gravity and producing kinetic and potential energy is provided. As fluid falls into a set of a piston...  
WO/2004/065792A2
The present invention generally provides apparatus and methods of operating a pumping system. The pump control apparatus includes a first sensor for measuring strain on a structure of the well pumping system and a second sensor for measu...  
WO/2004/040137A1
A pumpjack speed control system includes a user interface, a controller and a variable speed drive. The user interface includes a mathematical representation of the pumpjack geometry which permits the conversion of rod speed profiles to ...  
WO2003031815B1
The pump and pump system (10) of the present invention is designed to remove liquids, gas, sand, and coal fines from gas and/or oil well bores from close to the rock face. The new pump will utilize energy for the "engine" from the surfac...  
WO/2004/001185A1
The invention discloses a pumping unit with a curved and folded beam, comprising a base (1), a motor (2), a transmission mechanism (4), a crank-link assembly (5), a balance weight for the crank (10), a frame (9), a cable hanger assembly ...  
WO2003031815A3
The pump and pump system (10) of the present invention is designed to remove liquids, gas, sand, and coal fines from gas and/or oil well bores from close to the rock face. The new pump will utilize energy for the "engine" from the surfac...  
WO/2004/001184A1
The invention relates an oil pumping unit comprising a support pipe (1), a pumping rod (4), a balance weight (7), a motor and a transmission system installed in the support pipe (1). The transmission system comprises a nut and a screw be...  
WO/2003/093636A1
The invention relates to oil and gas production and can be used for lifting liquid from wells by gas energy. The inventive flying valve comprises a tubular body, a detachable element in the form of a body of rotation and stoppers limitin...  
WO/2003/083303A1
The inventive device comprises a submerged electric motor provided with a hydroprotection and cinematically connected to a driven pump, an operating pump actuated by a hydraulic engine which comprises a reciprocating mechanism for moving...  
WO/2003/078837A1
A hydraulic automatic boosting pump is composed of a fixing joint, casing a reversing valve, a guide valve, a motor-drive automatic device for changing directions, a driving cylinder, a boosting cylinder and super high pressure pipes whi...  
WO/2003/071095A2  
WO/2003/048572A1
Electrically (DC) actuated linear drice pumps and pump systems suitable for downhole/subterranean use, adapted to be powered by (e.g.) solar power. In preferred embodiments, a piston member is connected to an outer pump casing by an elas...  
WO/2003/048578A1
A motor speed controller (100) identifies the position of a pump rod (14). At one or more critical positions of the rod, the motor speed controller (100) adjusts the speed of the motor to change the movement of the pump rod (14). The cri...  

Matches 351 - 400 out of 803