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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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WO/2003/071095A2 |
The present invention relates to a differential commutation long-stroke well-pumping unit, which is characterized by that two groups of differential mechanisms are parallelly connected together, and on their external shells the meshed ge...
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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...
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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...
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WO/2003/033861A1 |
The invention relates to oil industry, in particular to production well servicing by means of deep insert sucker-rod pumps. The insert pump is removed from a well. Said pump being replaced and run into an oil-well tubing (2), an anchor c...
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WO/2002/101241A1 |
A positive displacement pump for pumping fluids from a downhole formation to the earth's surface is provided. The pump (100) first comprises a plunger (130). The plunger is reciprocated axially within the wellbore by a linear actuator (3...
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WO/2002/089307A1 |
The present invention relates to a circuit for providing conditioned alternating current to a motor for running a well pump reciprocating motor which experiences uneven torque. A system is provided for conditioning the primary electrical...
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WO/2002/086322A2 |
A fluid controlled pumping system includes a pumping unit (12) disposed within a fluid cavity (13). The pumping unit (12) includes a passage (60) extending to a suction end of the pumping unit. The system also includes a pressure source ...
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WO/2002/081860A1 |
Apparatus and system control for the removal of fluids and gas from a well comprising winch means (56) for removing the oil (18), a temporary storage tank (22), a bailer tube (90), a bailer tube housing assembly (28), axially aligned wit...
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WO/2002/075105A1 |
The invention discloses a pumping unit comprising a support frame (11), a linear electric motor for driving the unit having a runner (7) and six stators (9), two chains (3, 6), two wheels (4, 5) and a weight (7). The support frame (11), ...
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WO/2002/068788A2 |
A well pumping unit (30) includes support (11), linear motor (25) having primary motor complex (8) and secondary motor complex (9), polished rod chain (3), polished chain wheel assembly (4), bottom support chain wheel (10), counterweight...
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WO/2002/064941A1 |
A bailer device (45) and method capable of recovering liquids and agas simultaneously. The bailer device (45) consists of a bucket-type device (42) attached to an end of a line (8). The bucket-type (42) device is then raised and lowered ...
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WO/2002/057551A1 |
Method related to the hydraulic dredging of sediment from the sea bottom, the bottom of water dams or the like, inclduding a first operational step where sediment is sucked or pumped through a hose or pipe (2) to a second level located b...
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WO/2002/046613A1 |
A rodless pump is disclosed which is connected to a pressure source via a conduit. In a common oilfield application the pump would be connected to the bottom of a tubing string within the reservoir fluid to be produced. A pressure source...
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WO/2002/031311A2 |
The present invention generally provides a gas operated pump (30) having a removable and insertable valve (300, 500, 700). In one aspect, the invention includes a pump housing having a fluid path (325) for pressurized gas and a second fl...
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WO/2002/004813A1 |
A water supply for lifting water by a motor pump driven by power converted by an inverter from the output power of a solar battery is characterized in that the motor for driving the motor pump is a DC brushless motor having no sensor for...
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WO/2002/002947A1 |
An isolation container (100) with a downhole electric pump assembly has an annular housing with an axial inlet and outlet. The pump (104) is located within the container. The assembly includes an electric pump (108) positioned above and ...
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WO/2001/096708A1 |
A system for pumping water from a well (32) drilled into an underground water source (44) that is operable in association with the windmill (10) having a tower frame (14), a wind driven turbine (12), and a reciprocating pump shaft (16) o...
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WO/2001/089068A2 |
A sine wave filter including an inductor for each phase (three inductors) and three delta- or Y-connected capacitors is employed within a borehole power system, coupled within a three phase power system at the surface between the output ...
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WO/2001/081764A1 |
A lift pump is designed so that the movement of the elongate lifting member (1) up and down in a wellbore causes a compression of an air mass in a tank (3, 9). The energy in this compressed air mass is used for carrying out the movement ...
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WO/2001/057399A1 |
Fluid pumping apparatus for pumping fluids from a well comprising a downhole pump disposed near the lower end of a production string and including a tubular pump barrel (20) and a tubular pump plunger (30), concentrically disposed in the...
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WO/2001/055552A1 |
This invention relates to an oil pumping unit with a counterweight whose centroid can be adjusted comprising: a power supply (1), a belt transmission mechanism (3), a speed reducer (4), a crank (5), a connecting rod (6), a cross beam (10...
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WO/2001/034978A1 |
This invention relates to an oil pumping unit without a walking beam comprising an electric motor (1) and a speed reducer (3) driven by the motor (1). Through a crank (4), an output of the speed reducer (3) drives a planetary gear (5) en...
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WO/2001/016487A1 |
This invention relates to a pumping unit comprising: a base (1) and a rack (2); an electric motor (17) with varying frequency power for the pumping unit through a speed reducer (5); a driving hub (7A) connector with said speed reducer (5...
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WO/2001/011187A1 |
A pumping system comprises a pump barrel (526) that is adapted to be placed into a well casing. A plunger (536) is reciprocably positioned within the pump barrel (526) and has an open top end (532), a bottom end (534), and a traveling va...
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WO/2001/006125A1 |
This invention relates to a mechanical oil recovery method and system with a sucker rod pump. Through the method the technological parameters are directly calculated based on the lowest power loss or the lowest cost principle. The method...
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