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Matches 151 - 200 out of 871

Document Document Title
WO/2016/174452A1
A fluid system for a pump, which includes a downhole rotating shaft and bearings inside a housing, and where a fluid volume around shaft is circulated from outside housing through a filter, so that only clean non-abrasive fluid is permit...  
WO/2016/172404A1
Systems and methods for constructing electric motors in which rotor sections are individually keyed to a rotor shaft such that, in a resting position, the rotor sections are circumferentially shifted (clocked) with respect to each to mit...  
WO/2016/171879A1
A modal attenuator includes annular chambers disposed between an attenuator body and a perforated screen surrounding a primary flow path. The modal attenuator in some arrangements is in the form of an expander section. In some arrangemen...  
WO/2016/161505A1
Apparatus and methods are provided for rotating the sucker rod strings of pumping equipment and adjusting the vertical position of the sucker rod string. The apparatuses can include a threaded tubular rod carrier or spindle and a polishe...  
WO/2016/161611A1
The present invention is applicable to the field of petroleum production engineering and provides an air proof pumpjack with double load reduction. The pumpjack is provided with a lifting sub; one end of the lifting sub is provided with ...  
WO/2016/164272A1
A well pump assembly has a motor operatively connected to a well pump that has an intake. The well pump assembly has a capillary tube that extends alongside the tubing and has an outlet at the well pump assembly. A chemical injection pum...  
WO/2016/160296A1
A technique facilitates operation of an electric submersible pumping system. The electric submersible pumping system may be operated to create a fluid flow by pumping fluid along a primary flow path. The fluid flow is monitored to detect...  
WO/2016/160186A1
A technique facilitates deployment, land out, testing, and/or operation of electric submersible pumping systems in a variety of applications and environments. For example, features may be combined with various types of electric submersib...  
WO/2016/154689A1
The present invention relates to an accessory for use on the hanger of a pumping unit (UB), and it has been developed with the aim of providing a means for making a precise adjustment to the travel of the piston of a bilge pump of a UB, ...  
WO/2016/160779A1
An electrical submersible pump assembly (45) has a motor (10) with a stator stack of limitations (16). The stack has slots (20) through which magnet wires (22) are wound. An encapsulate (24) surrounds and bonds the magnet wires together ...  
WO/2016/009302A3
A load reduction device (10) for a deep well (1) pumping system, which is driven by a sucker rod string (6) with reciprocating motion and drives a subsurface pump (4); and a deep well (1) pumping system comprising said load reduction dev...  
WO/2016/153897A1
Systems and methods for controlling downhole linear motors to minimize connections to surface equipment. In one embodiment, an ESP system is coupled by a power cable to equipment at the surface of a well. The ESP system includes a linear...  
WO/2016/153960A1
A controller is provided which can interface with a variable frequency drive and a motor, the controller having (a) one or more voltage and current sensors which can interface with a power line linking the variable frequency drive and th...  
WO/2016/137986A2
A long-stroke pumping unit includes a tower; a counterweight assembly movable along the tower; a crown mounted atop the tower; a sprocket supported by the crown and rotatable relative thereto; and a belt. The unit further includes a moto...  
WO/2016/133906A1
A diversion connector is used for a downhole pump having a plunger and a barrel in a well. The diversion connector is useful in a sandy well having particulates. The plunger has an interior and is reciprocated by a rod relative to the ba...  
WO/2016/126537A1
A lower separator (53) located below a submersible well pump intake (19) has a labyrinth flow path, causing a first well fluid separation of lighter components from heavier components as well fluid flowing into the lower separator turns ...  
WO/2016/122350A1
The submersible pumping unit comprises the housing, the suction valve, the discharge valve, the rotor, the stator and the induction coils. The plunger consists of the metal pipe featuring the permanent magnets with the reciprocal poles a...  
WO/2016/118419A1
A method of monitoring and assessing valve conditions in a pump includes collecting data regarding timing of a pump piston and vibration of a pump fluid end, processing the data to form a filtered and transformed vibration signal, bandin...  
WO/2016/118140A1
A mechanical face seal with an adaptable seat for electric submersible pump (ESP) components is provided. In an implementation, an end face mechanical seal system for a downhole shaft has a rotating seal face and an adaptable nonrotating...  
WO/2016/112385A1
A sucker rod lifting system generally includes a surface drive mechanism, a sucker rod string, and a downhole pump. One such surface drive mechanism is known as a long-stroke pumping unit. The long-stroke pumping unit includes a counterw...  
WO/2016/112155A1
An apparatus, methods and systems for multi-configuration, multi-stage gas-liquid separation are presented. A production string is fitted with a shroud of size similar to the collars. Gaseous fluids intake into the upper portion of the s...  
WO/2016/107592A1
Disclosed are an intelligent oil pumping control method and an intelligent oil pumping unit. The intelligent oil pumping unit comprises a main electric motor (15), a speed reducer (8), a crank (9), a connecting rod (6), a walking beam (3...  
WO/2016/106568A1
Systems and methods for extracting underground objects using a beam pumping unit (200) including a rotating motor (204) and one or more cranks (212) coupled to a walking beam (220) enabling the extraction. According to certain embodiment...  
WO/2016/109252A1
An electrical submersible pump assembly has a number modules including a pump, a motor and a pressure equalizer. Each module has a rotatable shaft with a splined end that joins a splined end of another module, and those splined ends may ...  
WO/2016/100283A1
A system for enhancing a flow of a fluid induced by a rod pumping unit is provided, The system includes one or more sensors and a pumping control unit configured to control stroke movement of the rod pumping unit. The pumping control uni...  
WO/2016/099880A1
A system (200) for enhancing a flow of a fluid induced by a rod pumping unit (100) is provided. A pumping control unit (212) is configured to control stroke movement of the rod pumping unit. The pumping control unit is configured to stor...  
WO/2016/094142A1
A converterless motor-driven pump system includes an off-grid prime mover, an electric power generator driven by the off-grid prime mover to generate a power output, an electric submersible pump (ESP) system, and a system controller. The...  
WO/2016/084035A1
The invention relates to a unidirectional base hydraulic pumping apparatus for use in oil wells, which is installed at the depth desired by the user in order to increase the flow of formation water to be re-injected/injected from a stora...  
WO/2016/079264A1
A pumping device (100) for pumping fluid, wherein the pumping device (100) comprises a force transmitting element (102), a pump plunger (104), and a seal (106), wherein the force transmitting element (102) is adapted for transmitting an ...  
WO/2016/078692A1
A motor transmission and gearbox for downhole use, comprises, a first motor driving a first input shaft, a second motor driving a second input shaft, a gearbox comprising at least, a ring gear, a sun gear, and, a planetary gear and plane...  
WO/2016/079566A1
The invention relates to a hydraulic mechanical pumping unit comprising a radiator built into the chassis and a hydraulic circuit that allows operation with high flow rates and low pressure or with low flow rates and high pressure. This ...  
WO/2016/077771A1
A rotator mechanism for rotating an elongate member in a pumping system includes a body member (180) having a longitudinal body axis (161) and a through-hole aligned with the body axis and configured to receive the elongate member. The r...  
WO/2016/075097A1
A method and a system are disclosed, arranged for pressure control of well fluid produced from wells in a hydrocarbon production field. The system comprises a first pump (6) in fluid communication with a first well (W1-W5) and a second p...  
WO/2016/074956A1
A method and a system is disclosed and arranged for pressure regulation of well fluid produced from a hydrocarbon well (W1-W5) in a hydrocarbon production field. The system comprises a pump (6, 206) arranged on a well head (5, 201) in fl...  
WO/2016/060588A1
The invention relates to downhole sucker-rod pumping units for lifting a liquid from highly deviated wells with high-viscosity oil and with a high solid particle content and gas/oil ratio. The unit consists of a production string (3) and...  
WO/2016/057759A1
Embodiments of the present disclosure generally relate to a hydraulic pump with gas lock prevention. The pump includes a pump barrel having an intake port and a discharge port and a pump piston movably disposed in the pump barrel. The pu...  
WO/2016/057330A1
A reciprocating well pump assembly has a barrel (29), a plunger (34), a travelling valve (31), and a standing valve (33). A linear converter (41) has a rotating component (43) and an axially movable component (47), the axially movable co...  
WO/2016/004149A3
Methods and apparatus to determine parameters of a pumping unit for use with wells are disclosed. An example apparatus includes a housing and a processor positioned in the housing. The processor is to determine a first load on a polished...  
WO/2015/041805A8
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...  
WO/2016/051223A1
The invention relates to an improved hydraulic unit for extraction equipment, comprising a hydraulic system interconnected to a down-hole oil extraction pump, which is used to supply the hydraulic energy required for the operation of the...  
WO/2016/053588A1
An electric submersible pump having a protector section with a gravity sealing chamber having a hanging orifice and a standing orifice positioned in a vertical separation orientation whereby the orifices are located on opposite sides of ...  
WO/2016/037299A1
A submersible oil well pump set having an underground drive conversion device, comprising a control cabinet (1), an underground drive device and an oil well pump (4); the underground drive device comprises a rotary submersible motor (2) ...  
WO/2015/173655A3
Methods and systems for pumping a production fluid from a production zone to a collection point are disclosed. The methods include disposing a tubing in the production zone of a wellbore, pumping the production fluid from the production ...  
WO/2016/032690A1
A linear actuator for pumping comprising a stator having an inner opening, a shaft having a plurality of permanent magnets spaced linearly in the axial direction, the shaft disposed in the stator opening and configured to reciprocate lin...  
WO/2016/030727A1
A pumpjack includes a walking beam pivotally connected to a vertical support for oscillation in a generally vertical plane about a first axis. A first end of the walking beam is connected to a sucker rod string. A carriage is movably mou...  
WO/2016/032648A1
An improved free piston assembly for use with a plunger lift assembly is provided. The improved free piston assembly includes a sleeve member, a flow restriction member, and retention means. In some embodiments, the sleeve member has an ...  
WO/2016/033083A1
A well pumping and control system capable of operating in a wide range of ambient conditions is described. The system automatically maintains water level in a water storage vessel. By operating to pump water only for a preset amount of t...  
WO/2016/014059A1
In accordance with embodiments of the present disclosure, a electrical submersible pump includes a pump housing, a shaft extending at least partially through the pump housing and adapted to be driven by a submersible motor, an impeller a...  
WO/2016/004148A1
Methods and apparatus to determine operating parameters of a pumping unit for use with wells are disclosed. An example apparatus includes a housing and a processor positioned in the housing. The processor is to determine a rate at which ...  
WO/2016/004149A2
Methods and apparatus to determine parameters of a pumping unit for use with wells are disclosed. An example apparatus includes a housing and a processor positioned in the housing. The processor is to determine a first load on a polished...  

Matches 151 - 200 out of 871