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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...
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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...
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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...
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7584785 |
Groundwater sampling device
A replaceable DC electric motor and kit for a groundwater sampling and pumping device and system for withdrawing groundwater from a well. The motor is provided with means to align the motor with an...
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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 output...
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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 pulses...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7199497 |
Frameless switched reluctance motor and application as a top drive for a rotary pump
A frameless switched reluctance motor (SRM) has a stator sandwiched between two housings. Axial load on the rotor shaft is directed through a first bearing, through the first housing to the stator...
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7188669 |
Motor cooler for submersible pump
A motor cooler for an electrical submersible pump (ESP). The ESP is typically deployed within casing and defines an annular space between the ESP and the casing. The ESP includes a pump having an...
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7114557 |
System and method for optimizing production in an artificially lifted well
A system and method is provided for optimizing production from a well. A plurality of sensors are positioned to sense a variety of production related parameters. The sensed parameters are applied...
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7066248 |
Bottom discharge seal section
Disclosed is an electric submersible pumping system for use in wellbore. The electric submersible pumping system includes a motor assembly, a pump assembly and a seal section disposed in the...
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7040391 |
Low harmonic diode clamped converter/inverter
First and second networks of switching devices, each of which are an insulated gate bipolar transistor with an intrinsic reverse-biased clamping diode, are controlled to selectively connect a...
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7000693 |
Control of hydrocarbon wells
An apparatus controls the operation of a hydrocarbon production well. The apparatus includes a supply means for providing an electric power supply. The apparatus also includes a plurality of...
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6968904 |
Method and apparatus for operations in underground/subsea oil and gas wells
A method and apparatus for advancing a rotating motorized downhole tool for operations in oil/gas wells. The apparatus is adapted for drilling and milling away of casing sections in the wells, as...
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6953084 |
Actuator for well-head valve or other similar applications and system incorporating same
An electrical actuator is particularly suited for driving a wellhead valve for regulating the flow of natural gas from a production well. The electrical actuator can be driven using the existing...
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6926087 |
Electro-mechanical wireline anchoring system and method
An electro-mechanical wireline assembly as shown for anchoring a wireline tool string in place during a wellbore under balanced well conditions. The assembly includes an upper connection for...
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6926504 |
Submersible electric pump
An improved electrical pump is first provided for use in a wellbore. The pump comprises a stator and a stator housing, and an armature and an armature housing. The stator housing and the armature...
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6868901 |
Tubular cutting tool
A tubular cutting tool includes two or more sets of electrically actuated retractable anchoring legs mounted at longitudinally spaced apart locations and an electrically driven rotary cutting head...
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6863124 |
Sealed ESP motor system
The present invention provides a submersible motor and pump system for use in a wellbore. More specifically, the present invention provides a submersible system having a sealed motor and a magnetic...
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6857486 |
High power umbilicals for subterranean electric drilling machines and remotely operated vehicles
The method of providing in excess of 60 kilowatts of electrical power to the electrical motor of a subterranean electric drilling machine through a substantially neutrally buoyant composite...
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6840324 |
System for, and a method of pumping fluids from a well
A system for pumping fluid from a well has a submersible pump introducible into a well for pumping fluid from the well to ground, submersible motor introducible into the well and connected to the...
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6820693 |
Electromagnetic telemetry actuated firing system for well perforating gun
A perforating gun assembly for use in a subterranean well incorporates therein an electromagnetic frequency receiver coupled to a motor section which, in turn, is coupled to the mechanically...
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6789627 |
Control line cutting tool and method
An apparatus includes a first member, a second member releasably attached to the first member, and a control line shear mechanism disposed proximate an interface between the first member and the...
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6779598 |
Swivel and eccentric weight to orient a roller sub
A downhole device, adapted for use in wireline or slickline application, is provided for incorporation into a downhole string and movement in a wellbore. The device comprises means to orient the...
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6776240 |
Downhole valve
A valve for downhole well service, having a rotary indexer carrying an elastically-loaded valve element on a valve seat surface in a flow passage, the valve element adapted to obstruct one or more...
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6745844 |
Hydraulic power source for downhole instruments and actuators
Disclosed is a system for using pressure differential between completion fluid in an oil well and produced fluids to power downhole devices, including instruments and actuators. A conduit is...
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6722442 |
Subsurface apparatus
A subsurface apparatus in the form a tractor is adapted for travel through a bore containing a moving fluid stream. The tractor comprises a body, a drive arrangement for moving the body in a...
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6712146 |
Downhole assembly releasable connection
A disconnect assembly connecting two portions of a downhole assembly having a downhole apparatus attached to a coiled tubing string. The disconnect assembly includes a first housing connected to...
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6695052 |
Technique for sensing flow related parameters when using an electric submersible pumping system to produce a desired fluid
An electric submersible pumping system having a downhole gauge section. The electric submersible pumping system comprises a submersible motor powered by a submersible pump. The submersible pump may...
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6659174 |
System and method of tracking use time for electric motors and other components used in a subterranean environment
A component, such as an electric motor, for use in a subterranean environment. The component comprises an attached recording system to record the cumulative use time of the component. The recording...
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6651747 |
Downhole anchoring tools conveyed by non-rigid carriers
An apparatus and method provides an anchoring apparatus for use in a wellbore that comprises a gripping assembly and an actuation assembly. In one arrangement, the actuation assembly includes a...
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6615926 |
Annular flow restrictor for electrical submersible pump
A method of pumping well fluid from a well having casing with perforations includes connecting an electrical motor to a lower end of a pump and securing the pump to tubing. A restrictor is mounted...
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6601651 |
Downhole gas compression
A downhole gas compression system is adapted for location in a bore of a natural gas-producing well ( 10 ), the system comprising an axial flow compressor ( 32 ) and a gas-filled electric drive...
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6587054 |
Electrical submersible pump cable
An electrical submersible pump cable having an integral capacitor. The electrical submersible pump cable has a primary conductor with an insulator surrounding the primary conductor. A coaxial...
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6575236 |
Device for manipulating a tool in a well tubular
A device is provided for manipulating a tool in a well tubular. The device includes a cylindrical housing having a front end and a rear end, and radially extendible dogs for securing the device in...
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6564874 |
Technique for facilitating the pumping of fluids by lowering fluid viscosity
A viscosity handling system for facilitating the movement of certain fluids. The system utilizes kinetic energy in the form of a rapidly and repetitively moving component that imparts energy in the...
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6561289 |
Bottomhole assembly and methods of use
A bottomhole assembly (BHA) for use in well operations, with particular application to use in drilling with a downhole drilling motor and with coiled tubing and directional drilling, including a...
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6554074 |
Lift fluid driven downhole electrical generator and method for use of the same
A lift fluid driven downhole electrical generator and method for generating and controlling the electrical output from the electrical generator is disclosed. The electrical generator comprises a...
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6547003 |
Downhole rotary water separation system
A downhole rotary water separation system for the separation and transfer of different density fluids in downhole applications using a pump, a motor, a rotary separator and a shaft-incorporated...
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6543532 |
Electrical surface activated downhole circulating sub
A preferred novel circulating sub includes an electric motor, hydraulic intensifier, connecting rod, valve sleeve, valve plug, and angled nozzles. Upon activation of the circulating sub the...
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6536519 |
Downhole tool to generate tension pulses on a slickline
A downhole tool that is connectable to a line to be run downhole with the tool includes a housing, a sensor and a mechanism that is located inside the housing. The mechanism is coupled to the...
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6457522 |
Clean water injection system
The present invention provides a clean water separation system with an electric submersible pumping device and a surface separator and pumping device for the separation and transfer of different...
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6454011 |
Method and system for moving equipment into and through a conduit
A method and system are disclosed for moving equipment into and through a conduit that is preferably an oil and/or gas production well, wherein use is made of an uphole equipment storage and...
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6419011 |
Annular shaped interrupted solenoid activator and pump for borehole subsea use (BEI-0002)
An interrupted annular solenoid activator for use in well or subsea tools is provided. An interrupted annular armature member of a ferromagnetic material has a wire coil wound about it. A separate...
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