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Matches 1 - 50 out of 785

Document Document Title
WO/2018/068849A1
Rotary valve device (10, 44) for sequentially connecting a first line (34, 64) to a plurality of second lines (36, 66), the rotary valve device (10, 44) comprising: a stationary structure (12, 46) comprising a first port (18, 48) for con...  
WO/2018/052398A1
A monitoring system for a plurality of pressure pumps may include, for each pump, a strain gauge, a position sensor and a pressure transducer. A strain gauge may be positionable on each pump to generate a strain measurement corresponding...  
WO/2018/049364A1
A fluid pump apparatus (44) for an artificial lift system (10) has a barrel (52), a standing valve (54) positioned at a lower end of the barrel, a plunger (56) reciprocatingly mounted within the barrel, and a traveling valve (58) positio...  
WO/2018/034939A1
Systems and methods for distributed downhole sensing of operating parameters in an ESP utilizing MEMS sensors. In one embodiment, an ESP is installed in a well. The ESP has a pump, a gas separator, a seal section and a motor. Multiple ME...  
WO/2018/035028A1
There is provided an oil pumping apparatus including: a connector; a first roller mounted on a first frame and being rotatable about a first axle, a load belt moveable over the first roller, having one end connected to the connector and ...  
WO/2018/030898A1
The present invention concerns a downhole logging tool adapted to be arranged in-line in a sucker rod string. The tool is adapted for monitoring and performing at least one of: logging tension/compression, torque, temperature, pressure, ...  
WO/2018/031464A1
A pump (21) is driven by rotation of an electrical motor drive shaft (29). An eccentric drive unit (24) includes an eccentric member (29a, 29b, 29c) coupled between the motor drive shaft and the pump drive shaft (71). The eccentric membe...  
WO/2018/020301A1
The invention relates to oil extraction, specifically to displacement pump installations, driven by submersible inline electric motors, and can be used for the extraction of formation liquids from great depths within marginal well stock....  
WO/2018/013441A1
An apparatus for gas and solids separation from down-hole fluids having an inner tube and an outer tube disposed about the inner tube. The annular region between the tubes contain a plurality of chambers, separated by fluid barriers. The...  
WO/2018/005333A1
A method for providing well safety control in a remedial electronic submersible pump (ESP) application including a making up an electric submersible pump (ESP) on a conduit with a primary well control capability; running the foregoing th...  
WO/2018/004577A1
A system can include a housing that defines an interior space; a shaft disposed at least in part in the interior space of the housing where the shaft includes a longitudinal axis, a curved surface and an end surface; a submersible electr...  
WO/2017/220693A1
The invention relates to a particularly compact, efficient and operationally reliable pump device (10) for conveying fluid (126) to be pumped, comprising at least one drive unit (284) having a drive (62) and at least one receiving area (...  
WO/2017/213627A1
Embodiments of the present disclosure are directed to a downhole motor including a housing, a rotor shaft configured to rotate within the housing, and an electrically conductive brush. The electrically conductive brush is coupled to the ...  
WO/2017/201616A1
Several unique screw-based linear sucker rod top drives are disclosed, along with a unique failsafe system where the terminals of a permanent magnet motor are connected to a braking resistor in the event of variable frequency drive failu...  
WO/2017/204631A1
Double acting positive displacement fluid pump Double acting positive displacement fluid pump having two or more housings (3A,20A), a first housing (3A) comprising a pump fluid inlet chamber (3) and a separate housing (20A) comprising a ...  
WO/2017/198511A1
The invention relates to a method for stopping a submersible pump when the pump is snoring, wherein the pump is operatively connected to a control unit. The method is characterized by the steps of regulating, by means of the control unit...  
WO/2017/197321A1
A control system for operating a beam pumping unit includes a strain gauge and a beam pumping unit controller. The strain gauge is coupled to a Samson post of the beam pumping unit, and is configured to measure a Samson post strain. The ...  
WO/2017/187315A9
A wellbore pump (300) includes a receptacle for a pump formed into a wellbore production tubing (110). A pump includes a seal (306) engageable with an interior surface of the receptacle, the seal has a pump rod (313) passing sealingly th...  
WO/2017/187315A1
A wellbore pump (300) includes a receptacle for a pump formed into a wellbore production tubing (110). A pump includes a seal (306) engageable with an interior surface of the receptacle, the seal has a pump rod (313) passing sealingly th...  
WO/2017/184158A1
A system can include an electric submersible pump that includes a multiphase electric motor that includes a wye point; and a gauge operatively coupled to the wye point of the electric motor and operatively coupled to a transmission line ...  
WO/2017/185094A1
A system and method for fueling multiple saddle tanks of hydraulic fracturing equipment from a single self-propelled cart. The cart having multiple retractable fuel lines for providing and obtaining fuel. Each retractable fuel supply lin...  
WO/2017/180839A1
A controller for operating a prime mover of a rod pumping unit includes a processor configured to operate the prime mover over a first stroke and a second stroke. The controller is further configured to compute a first motor torque imbal...  
WO/2017/176283A1
A technique facilitates controlled distribution and sharing of bearing loading with respect to operation of a pump. A thrust bearing system is coupled with a pump via a shaft used for driving the pump. The thrust bearing system comprises...  
WO/2017/168008A3
A fluid pump, for example being adapted to operate in a well bore, and a well bore tool are presented, the fluid pump comprising a pump housing comprising a cylinder, the cylinder having a first and a second chamber and a constriction be...  
WO/2017/160290A1
A method can include coating a hydrophilic polymeric surface of a component of an electric submersible pump system with an aqueous polymer dispersion to form a coated component; and sintering the coated component to form a sintered, coat...  
WO/2017/127662A1
An automated sucker rod spacing device comprising a housing, a screw set within the housing and connected to a sucker rod string via a polished rod, a nut which is in threaded engagement with the screw, a means to transmit a rotation for...  
WO/2017/123957A1
A relief valve assembly (500) includes a housing assembly (450) defining a chamber (410) therein. The relief valve assembly (500) includes a piston (200). The piston (200) may be at least partially disposed within the chamber (410). The ...  
WO/2017/120020A3
A subsea pump assembly (11) includes a tubular conduit (13) that has an upstream end plate (15) and an inlet (21) for flowing well fluid into an interior of the conduit. A power cable opening (25) extends through the upstream end plate. ...  
WO/2017/120020A2
A subsea pump assembly (11) includes a tubular conduit (13) that has an upstream end plate (15) and an inlet (21) for flowing well fluid into an interior of the conduit. A power cable opening (25) extends through the upstream end plate. ...  
WO/2017/117141A1
A submersible pumping system (100) includes an electric motor (110) and a pump (108) driven by the electric motor. The pump (108) includes a rotatable shaft (122) driven by the motor, one or more piston assemblies (132) configured for li...  
WO/2017/117181A1
A suction chamber for use in a surface pumping system includes a central housing that is substantially cylindrical and has a motor end and a pump end opposite the motor end. The suction chamber includes a motor-end plate bolted to motor ...  
WO/2017/117084A3
A submersible pumping system has an electric motor (108), a rotary hydraulic pump (106) driven by the electric motor (108), and a linear hydraulic pump (110) that is configured to move a production fluid. The rotary hydraulic pump produc...  
WO/2017/116732A1
A system and method of producing fluid from a wellbore 12 by pressurizing the fluid and then directing the pressurized fluid to a centrifugal pump 26. Pressurizing the fluid compresses gas or vapor within the fluid, thereby decreasing th...  
WO/2017/117084A2
A submersible pumping system has an electric motor, a rotary hydraulic pump driven by the electric motor, and a linear hydraulic pump that is configured to move a production fluid. The rotary hydraulic pump produces a pressurized working...  
WO/2017/106865A1
Automated operation of well site pumping equipment, including generating a mathematical belief model for maintaining an interrelationship between flow rate achievable by a pump unit discharge pressure of the pump unit, and probability of...  
WO/2017/100552A1
A hydraulic tool includes a stator, a rotor, and a removable coating. At least one of the stator and the rotor comprises a resilient material. The removable coating has a thickness compensate for expected swelling of the resilient materi...  
WO/2017/096488A1
A fluid end assembly of a reciprocating pump has multiple fluid end bodies that are removably attached, independently of each other, to a power end assembly of the reciprocating pump, and to a manifold of the fluid end assembly. Each flu...  
WO/2017/099968A1
A technique facilitates use of a submersible pumping system deployed downhole in a borehole. A docking assembly comprises a docking station which has at least one electrical wet connector and is coupled to a receiving tubular. An electri...  
WO/2017/100739A1
A pump for an oil and gas well includes a barrel with a surface configured to contact oil and gas well fluid. The pump further includes a first coating formed on at least a portion of the barrel surface. The first coating includes a comb...  
WO/2017/093964A1
Air retention valve to be used in pressurized water tanks comprises: a tube (6) for water circulation with the outside of the tank (a) having a protuberant top (3) into the interior of the tank (a); a floating body (1) vertically displac...  
WO/2017/096103A1
A seal assembly (112) for a submersible pumping system (100) is presented. The seal assembly includes a support tube (220) configured to surround a shaft (216). Further, the seal assembly includes a first bag (236) positioned surrounding...  
WO/2017/087802A1
Systems and methods for determining the existence of a pump-off condition in an ESP system and controlling the motor to prevent fluid pound that would otherwise result from the pump-off condition. The current drawn by the ESP motor durin...  
WO/2017/083523A1
A disclosure pertains to a reciprocating pump configured for pumping fillers or aggregates or cementitious material and the like.  
WO/2017/078565A1
The invention relates to pump equipment and can be used in the oil industry in the operation of marginal wells with difficult oil reservoir conditions. The pump comprises a submersible electric motor, a driven oil pump, a piston working ...  
WO/2017/074647A1
A pressure control device for sealing about a tubular at a wellsite can include a rotatable member, at least two radial seals that sealingly contact the rotatable member, at least two fluid chambers, one chamber being exposed to the rota...  
WO/2017/066440A1
A tandem motor linear rod pumping apparatus for imparting reciprocating, substantially-vertical motion to a pump rod for a sucker-rod pump. The tandem motor linear rod pumping apparatus includes first and second linear mechanical actuato...  
WO/2017/059510A1
The present invention relates to an artificial lift system using a downhole reciprocating pump with a double action piston for oil wells. The pump comprises a plunger (4) moved by the mechanical or hydraulic actuation rod (3), and is cha...  
WO/2017/059918A1
Lifting device (10) for vertically lifting liquids, where the lifting device (10) comprises: a lifting line arrangement (18) for guiding a liquid from an open lower reservoir (16) to an upper reservoir (14); a lowering line arrangement (...  
WO/2017/058412A1
An embodiment includes a method of monitoring a fluid pump that includes receiving time domain measurement data indicating vibrations occurring in a fluid pump, and filtering the measurement data to remove measurement data components hav...  
WO/2017/052383A1
The invention provides a subsea pump system, comprising a subsea pump, a fluid conditioner tank, a liquid conservation tank, a line arranged for liquid recirculation from the liquid conservation tank to upstream the subsea pump, and an u...  

Matches 1 - 50 out of 785