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Matches 51 - 100 out of 803

Document Document Title
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...  
WO/2017/048740A1
Apparatus and methods for pressurizing well treatment fluids. Communication is established between a plurality of pumps and a controller operable to control operation of the pumps. Each pump includes a chamber, a plunger slidably dispose...  
WO/2017/040919A1
An electrical submersible pumping system includes production tubing, a pump for pumping fluid through the production tubing, a motor for providing power to the pumping system, an electrical cable for supplying power to the motor, and a m...  
WO/2017/035194A1
A plunger piston assembly for a plunger lift system used to remove fluids from a subterranean wellbore includes a sealing sleeve having a central axis, an upper end, a lower end, and a throughbore extending axially from the upper end of ...  
WO2017009591A1
A plunger (10) located in a pipeline (20), which can be used as a pump or for pigging but which allows the pipeline (20) to be used as a normal pipeline when the plunger (10) is not in use includes an axial passage (12) extending in the ...  
WO/2017/003729A1
Systems, methods, and devices for predicting pump performance in a downhole tool are provided. A pump performance predictor may receive inputs and generate outputs that predict the performance of a pump of a pumpout module of a downhole ...  
WO/2016/205138A1
The systems, devices, and methods described herein describe a valve cover assembly that enables the easy removal and insertion of a screw gland into a threaded ring. The valve cover assembly includes an outside housing that provides an o...  
WO/2016/205101A1
Systems and methods for monitoring an electric submersible pump include measuring voltage and current of a power output of a multi-phase power drive configured to power a downhole motor to thereby produce measured voltage and current val...  
WO/2016/205131A1
A well pump assembly (24) has a barrel 54), a standing valve (48) at an upper end of a standing valve chamber (46), and a plunger (70). A travelling valve (82) admits well fluid into the barrel during a fill stroke. The travelling valve ...  
WO/2016/205473A1
Systems and methods for determining proper phase rotation in a linear motor that may be used in an ESP system, where the phase rotations associated with power and return strokes are initially unknown. The method includes providing power ...  
WO/2016/205471A1
Systems and methods for securing coils of magnet wire to a support core in a linear motor that may be used, for example, in an ESP. In one embodiment, a hollow member such as a cylindrical metal tube is provided as a support core which i...  
WO/2016/205100A1
Systems and methods for monitoring an electric submersible pump include receiving acceleration data from an accelerometer coupled to a component of an electric submersible pump comprising a motor having a rotor and a stator, the accelera...  
WO/2016/201068A1
A dual completion linear rod pumping apparatus for imparting reciprocating vertical motion to a pair of rods for respective sucker-rod pumps. The dual completion linear rod pumping apparatus includes first and second linear mechanical ac...  
WO/2016/201020A1
A technique facilitates improved, long-term performance of pumps, such as reciprocating pumps. The reciprocating pump may comprise valves, such as an inlet valve and a discharge valve. Each valve comprises a valve body portion, a valve h...  
WO/2016/196642A1
An ESP system includes a motor and which is disposed in a wellbore on an end of an umbilical, where the umbilical includes a power cable and control lines. The control lines carry signals for the control and operation of downhole element...  
WO/2016/195872A1
Systems and methods for determining proper phase rotation in a linear motor where the phase rotations associated with power and return strokes are initially unknown. Power having an initial phase rotation is provided to a linear motor un...  
WO/2016/179015A1
A metering pump includes a motor having a motor shaft extending through a drive housing, a carriage assembly disposed around the motor shaft and within the drive housing, a plunger return block mounted to the carriage assembly, a piston ...  
WO/2016/179014A1
A metering pump includes a motor having a motor shaft extending through a drive housing, a carriage assembly disposed around the motor shaft and within the drive housing, a plunger return block mounted to the carriage assembly, a piston ...  
WO/2016/178601A1
The proposed group of inventions relates to methods and devices for pumping fluids and can be used in industry, transport and the home for pumping liquids and other incompressible and compressible fluids,and also during well operations i...  
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/2016/153897A1
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...  

Matches 51 - 100 out of 803