Matches 1 - 50 out of 255 1 2 3 4 5 6 >


Match Document Document Title
8991483 Apparatus and method for representative fluid sampling  
Apparatus and method for collecting and preserving in representative condition a fluid sample from a reservoir which comprises: positioning a sample receptacle in the vicinity of a subterranean...
8988030 Power control for electrical applications over long cables  
This disclosure is drawn to methods, systems, devices and/or apparatus related to power control in applications over long cables. Specifically, the disclosed methods, systems, devices and/or...
8950476 Coiled tubing deployed ESP  
According to the present invention, there is provided a well pumping system comprising a length of coiled tubing extending to the surface of the well, a first electric pump, a first electric...
8932034 Well pump with seal section having a labyrinth flow path in a metal bellows  
A submersible well pump assembly has a rotary pump, a motor, and a seal section coupled between the motor and the pump. The seal section has a cylindrical housing having upper and lower adapter...
8910718 System and method for a combined submersible motor and protector  
A system and method is provided for producing a hydrocarbon fluid from a subterranean environment. The system and method utilize an electric submersible pumping system having a motive unit...
8893775 Multiple electric submersible pump system  
An electric submersible pump (“ESP”) module is disclosed for producing fluids from subsea wells. The ESP module includes at least two ESPs positioned side by side and connected in parallel to...
8887802 Torque absorbtion anchor system and method to assemble same  
An electric submersible pump (ESP) torque absorbtion anchor system (TAS) and a method to assemble the same are disclosed. The TAS includes a collar having an uphole end coupled to a production...
8863826 Top-mounted digital-control tower pumping unit  
A top-mounted digital-control tower pumping unit includes a tower frame (1), a power system (2), a drive system, a control system (3), a balance weight box (4), a balance weight positioning cable...
8833441 Cable suspended pumping system  
Embodiments of the present invention generally relate to a cable suspended pumping system. In one embodiment, a method of producing fluid from a reservoir includes deploying a pumping system into...
8776896 Electronic control system for a downhole tool  
An electronic control system for a downhole tool controls an operational state of the downhole tool. The electronic control system receives a signal from uphole, and drives a motor to operate a...
8770271 Electric submersible pumping system for dewatering gas wells  
A pumping system includes a submersible high speed electric motor operable to rotate a drive shaft; a high speed pump rotationally fixed to the drive shaft; an isolation device operable to expand...
8726980 Permanent cable for submersible pumps in oil well applications  
A technique facilitates the employment of an electric submersible pumping system or other well system downhole into a wellbore. The electric motor system is coupled with a signal carrying cable...
8701797 Bearing assembly for downhole motor  
A downhole motor for drilling and servicing of wells has an elongated outer housing and an elongated mandrel rotatably disposed within the housing. A primary thrust bearing is disposed between the...
8555956 Linear induction motor-operated downhole tool  
A tool that is usable with a well includes a tool operator and a linear induction motor, which actuates the tool operator.
8540021 Release assembly for a downhole tool string and method for use thereof  
A release assembly (200) for releasing a portion of a tool string in a wellbore. The release assembly (200) includes an outer housing (202) having a fishing receptacle (206) disposed therein. The...
8511390 Rigless low volume pump system  
A deliquification pump for deliquifying a well comprises a fluid end pump adapted to pump a fluid from a wellbore. In addition, the deliquification pump comprises a hydraulic pump adapted to drive...
8443900 Electric submersible pumping system and method for dewatering gas wells  
A method of unloading liquid from a reservoir includes deploying a pumping system into a wellbore to a location proximate the reservoir using a cable. The pumping system includes a motor, an...
8424596 High efficiency fluid pumping apparatus and method  
A high efficiency fluid pumping apparatus and methods having of an electronic motor controller controlling at least one electric motor that is directly coupled to the input of a hollow helical...
8398050 Hold open configuration for safety valve and method  
An actuator and counterbalance system including a nonmobile carrier; a mobile carrier, mobile relative to the non mobile carrier; and a counterbalance system in operable communication with the...
8397822 Multiphase conductor shoe for use with electrical submersible pump  
A system for producing wellbore fluids. The system includes a pumping system deployable into tubing disposed in a wellbore, the pumping system includes a pump, a pump motor, a reservoir for...
8353336 Power transmission system for use with downhole equipment  
A power transmission system for use with downhole equipment in a borehole includes a power source that is positioned at the surface providing a DC power supply, a downhole DC/DC converter and a...
8240388 Submergible oil well sealing device and method for sealing underwater oil wells  
An oil well sealing device that is submergible for sealing under water oil wells and a method for sealing underwater oil wells are described. The device comprises a housing having at least one...
8215382 Motion transfer from a sealed housing  
A source of motion for actuation of a downhole tool is in a sealed housing to protect it from well fluids. The sealed housing is filled with an incompressible fluid and thermal effects can be...
8210251 Slickline conveyed tubular cutter system  
A tubular cutter is run in on slickline. It features onboard power to selectively actuate an anchor and to initiate a tubular cutting operation with a cutter that is extendable and rotatable on...
8171988 Stroker tool  
A stroker tool for providing an axial force in an axial direction of a downhole tool. The stroker tool has a pump, a driving unit for driving the pump, and an axial force generator. The generator...
8136587 Slickline conveyed tubular scraper system  
A downhole tubular scraper is run in on slickline with an on board power supply. It features counter-rotating scrapers without an anchor in one embodiment or an anchor with single rotating...
8127834 Modular electro-hydraulic controller for well tool  
An actuator control system includes a housing assembly having at least one line therein for controlling operation of an actuator, and a modular controller attached externally to the housing...
8113273 Power cable for high temperature environments  
An electric power cable for high temperature environments includes an electric conductor; an electrical insulator disposed on the electric conductor to form an insulated conductor, the electrical...
8087461 Logging while producing apparatus and method  
Production logging apparatus and method are provided. The apparatus comprises a coupling module, an electronic module, a micro-winch, a docking station, and a micro-production logging tool. The...
8051912 Armored flat cable signalling and instrument power acquisition  
Measurement and/or control units located within a borehole are inductively coupled to a flat three phase power cable segment without piercing the armor around the cable. For drawing power from the...
7896079 System and method for injection into a well zone  
A technique facilitates a water flood, e.g. dump flood, operation. A standard electric submersible pumping system is deployed in a wellbore to draw water from an aquifer or water source zone along...
7789637 Numerically controlled reciprocating submersible pump apparatus  
A deep well pump, especially a numerically controlled reciprocating submersible pump with freely adjustable parameters, includes a balancing sieve tube, a drive and a pump. The drive includes a...
7780428 Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (PCP)  
A fluid-guiding and electric conducting system for a suspended electric submersible PCP comprises a fluid-guiding system and an electric conducting system. The fluid-guiding system comprises an...
7748449 Tubingless electrical submersible pump installation  
A method of producing a well utilizes a submersible pump run on a line, such as braided wire rope, that includes power conductors. The operator sets a packer in the casing, the packer having a...
7740064 System, method, and apparatus for downhole submersible pump having fiber optic communications  
A downhole submersible pump system, method, and apparatus utilizes fiber optic sensors and distributed temperature sensors below the submersible pump to monitor pump discharge pressure and...
7730937 Electric submersible pump and motor assembly  
An assembly for downhole applications comprises has an electric motor, a pump driven by the electric motor and having a lower pump inlet and an upper pump outlet, and a deployment tube from which...
7686074 Apparatus and method for active circuit protection of downhole electrical submersible pump monitoring gauges  
Embodiments of the present invention beneficially provide circuits and methods which isolate downhole electronics of a well pump assembly from a power surge. The pump assembly includes a motor and...
7654315 Apparatus, pumping system incorporating same, and methods of protecting pump components  
Apparatus and pumping systems including the apparatus are described, the apparatus including a protector body comprising a material allowing expansion and contraction of an internal fluid, the...
7635022 Pumping system  
A pumping system is described comprising a bracket being vertically fixed onto the connection end of a pump basement and also connected to a wellhead in order to support multiple fixed pulleys...
7624795 Bottom mount auxiliary pumping system seal section  
Disclosed is a submersible pumping system that includes a motor, a production pump and a seal section disposed between the motor and the production pump. The pumping system further comprises an...
7611339 Tri-line power cable for electrical submersible pump  
A power line for an electrical submersible pump has three metallic impermeable tubes. A single electrical conductor is located within each of the tubes. Each conductor has at least one elastomeric...
7549467 Wellbore motor having magnetic gear drive  
A wellbore motor includes a source of rotational motive power disposed in a wellbore, a magnetic gear member operatively coupled at an input thereof to the source; and a magnetic gear member...
7510001 Downhole actuation tools  
Various technologies described herein involve apparatuses for actuating a downhole tool. In one implementation, the apparatus may include a pressure sensor for receiving one or more pressure...
7504752 Electric motors for powering downhole tools  
An electric-motor assembly for installation in a borehole to power a downhole tools such as a pump has a first impermeable tube defining an axis and a stator fixed in the tube and having a series...
7373971 Pump jack and method of use  
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...
7370697 Thrust section wear preventor  
A thrust section for use above a motor preferably includes a housing, a thrust shaft, a thrust runner connected to the thrust shaft, a thrust bearing connected to the housing, and a motor lead...
7367400 Motor protector and method for chemical protection of same  
A chamber for use in a submersible pump assembly. The submersible pump assembly has a submersible motor which is connected to a power source and which will drive a submersible pump in the...
7316270 Oil pumping unit using an electrical submersible pump driven by a circular linear synchronous three-phase motor with rare earth permanent magnet  
An oil pumping unit is disclosed to include a motor, which has a mover that moves alternately up and down when the motor is electrically connected, and a pump, which has a barrel, an oil suction...
7287591 Primary electro-mechanical initiating dump bailer device and method of use  
Electro-mechanically initiated dump bailer devices are disclosed generally comprising a top assembly and one or more bottom assemblies, the top assembly having a means for transferring electrical...
7208855 Fiber-optic cable as integral part of a submersible motor system  
Apparatus, systems and methods are provided for transmission of optical signals through a wellbore whereby optic fibers are protected from exposure to harsh downhole fluids and conditions. The...

Matches 1 - 50 out of 255 1 2 3 4 5 6 >