Matches 1 - 50 out of 216 1 2 3 4 5 >


Match Document Document Title
9016383 Split stream oilfield pumping systems  
A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well...
8960273 Artificial lift system for well production  
A method of pumping production fluid from a wellbore includes deploying a centrifugal pump into a production wellbore; and pumping hydrocarbons from the production wellbore by rotating an impeller...
8955582 Beamless mechanic-reversing long stroke pumping unit  
A beamless mechanic-reversing long stroke pumping unit is provided for petroleum production in diverse types of oil fields. Its mechanic-reversing system consists of differentials, brakes, etc....
8931564 Method and apparatus to transport subterranean oil to the surface  
A method to extract oil for a pool of oil in the ground utilizes an interconnected series of rotating helical blades extending from the surface of the ground through a canted bore to the pool of...
8910708 Pumice-containing remedial compositions and systems for use  
Systems for remedial cementing are provided that utilize pumice and various additives. One of the systems for remedial cementing embodiments comprises a lightweight settable composition comprising...
8899314 Stuffing box  
A stuffing box for a wellhead comprises a stationary housing defining a passage for receiving a well tubular, and a tubular shaft mounted on the stationary housing for rotation within the passage...
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...
8875781 Pumping assembly  
A pumping assembly includes a hydraulic pump having a hydraulic ram tied to a reciprocating annular piston having a central bore. When the annular piston moves in an upward direction, the...
8851186 Split stream oilfield pumping systems  
A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well...
8800645 High flow intake system for submersible pumps  
A high flow intake system for a horizontal pump skid installation is provided for reducing cavitation and for eliminating a necessity to have a booster pump. A pump inlet assembly has a collar...
8753507 Artificial oil lifting unit using absorbent belts  
An artificial oil lifting unit uses an endless olephilic absorbent belt, driven by a surface equipment and tensed by a down hole equipment placed in the well production casing. The said absorbent...
8726981 Tandem progressive cavity pumps  
A tandem progressive cavity pump system lifts well fluids from a production zone to a well surface. The system provides a first pump and a second pump. The system positions the first pump at the...
8678082 Hydraulic oil well pumping apparatus  
A pumping arrangement employs a compensating type hydraulic pump, a directional valving arrangement and a proportioning valving arrangement. When the directional valve is energized, oil is...
8636057 Shear coupling assembly for use with rotary and reciprocating pumps  
A shear coupling assembly utilizes a second coupling member, a first coupling member and a locking member which is inserted into a bore in the first coupling member to connect between the second...
8573309 Liquid rod pump and method  
The present invention comprises a downhole unit that includes at least one plunger and that uses a power fluid to recover production fluid from a well. The downhole unit recovers production fluid...
8550218 Remote control for braking system of progressive cavity pump  
A brake actuator has a motor that provides input rotation in first and second directions. A reducer couples to the motor and reduces the input rotation into an output rotation to be applied to a...
8523543 Pumping assembly  
A pumping assembly includes a well head with a radial flow channel for pumped fluids. A spacer stand is secured to the well head. A hydraulic pump is provided with a housing secured to the spacer...
8496050 Arrangement used in oil field wells for lifting hydrocarbons  
Arrangement for the lifting of hydrocarbons in oil field wells, comprising a lifting assembly formed by a fluid collecting hose and a fluid suction tube within the well casing. The suction tube...
8439658 Progressing cavity pump rubber reinforcement device for rotor alignment  
A progressing cavity pump assembly utilizes a reinforced upper section of the stator rubber helix. The pump stator is located at the end of a string of tubing. The reinforced upper section of the...
8418770 Multi-process electronic control valve system  
A valve system has a main valve that is adjustable for output flow and pressure. The system also includes an output flow transducer, an output pressure transducer, and a fluid depth transducer. A...
8414776 Method, apparatus, and magnet for magnetically treating fluids  
A sucker-rod pumping system includes diametrically charged rare earth magnets having significant monopolar character mounted on the rod string and, optionally, within a magnet barrel below the...
8408304 Pump mechanism for cooling of rotary bearings in drilling tools and method of use thereof  
A bearing for a wellbore tool includes a flow device. The flow device may be a pump such as a positive displacement pump or a hydrodynamic pump. In arrangements, a pump stator connects to a...
8347954 Plunger lift system with seal and ball detent arrangement  
An intermittent lift plunger includes at least one seal mandrel, a bottom sub and an upper valve assembly. The valve assembly is closed by a well bottom stop which inserts into the lift plunger...
8336631 Split stream oilfield pumping systems  
A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well...
8316928 Drive means  
A drive means for downhole use comprises an input shaft and an output shaft, the input shaft being coupled to a means of rotation, the input shaft and the output shaft being torsionally coupled,...
8297362 Natural gas supply apparatus and method  
An apparatus and method for supplying natural gas from a well operating under vacuum conditions by extracting, storing and communicating it to a natural gas-fired piece of oil field equipment is...
8276658 Multi-channel, combination coiled tubing strings for hydraulically driven downhole pump  
This invention relates to a downhole hydraulic pump for hydrocarbon wells that is installed and operated using coiled tubing. The downhole hydraulic pump is driven by a hydraulic power system...
8235107 Hydraulic oil well pumping apparatus  
A hydraulic oil well pumping arrangement employs a compensating type hydraulic pump, a directional valving arrangement and a proportioning valving arrangement. When the directional valve is...
8136586 Safety clamp for walking beam compressor  
Various methods and devices are provided for securing a walking beam compressor to a walking beam. In general, the walking beam compressor is a gas compressor unit that can be disposed around a...
8132618 Systems for retarding rod string backspin  
A system comprises a progressive cavity pump including a helical rotor disposed within a mating stator. In addition, the system comprises a rod string having a longitudinal axis, a first end, and...
8118089 Down hole delivery system  
An improved delivery system for pumping fluid from a pay zone to the surface of a well consisting of a pump situated near the pay zone of the well, a drive head at the surface of the well and a...
8066496 Reciprocated pump system for use in oil wells  
A reciprocated pump positioned at the lower end of a string of tubing in a bore hole that provides a passageway for moving formation fluid to the earth's surface, including a pump barrel supported...
8056620 Low cost rigless intervention and production system  
A system which may be used to replace workover rigs and metallic pipes for the production of hydrocarbon from wellbores uses a non-metallic, substantially continuous, flexible tube comprising a...
8056635 Split stream oilfield pumping systems  
A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well...
8047821 Ring rack oil pumping machine  
The Ring Rack Oil Pumping Machine is comprised of: a base, a frame mounted on the base, a roller mounted at the frame top, a sprocket case connects to the middle of the frame; a input shaft having...
8016027 Apparatus for driving rotating down hole pumps  
An apparatus for rotating down hole pumps has a right angle gear box driving a hollow output shaft. The output shaft is oriented to the vertical and supports and rotates the drive string of a down...
7971650 Electric submersible pumps  
A method of pumping wellbore fluid, comprising the steps of: installing an electric submersible pump in a wellbore; and operating the pump at more than 4,500 rpm to pump the wellbore fluid....
7971648 Flow control system utilizing an isolation device positioned uphole of a liquid removal device  
A flow control system includes a pump positioned in a well uphole of a producing formation to remove liquid from the well. An isolation device is positioned uphole of the pump such that the pump...
7934562 Hybrid control system and method  
A hybrid process control system including electrical transmission of power to a sub-sea hydraulic power unit, which in turn provides hydraulic power for control of hydraulic actuators. A...
7900707 Apparatus and method for selectively controlling fluid downhole in conjunction with a progressive cavity pump (PCP)  
An apparatus and a method for selectively controlling fluid flow. The apparatus includes a body member having a throughbore formed therein. The apparatus also includes at least one bypass port...
7874369 Progressive cavity pump (PCP) drive head stuffing box with split seal  
The present invention relates to a split seal for a progressive cavity pump (PCP) drive head stuffing box. In one embodiment, a mechanical seal assembly for a pump is provided. The mechanical seal...
7866381 Arrangement used in oil field wells for lifting hydrocarbons  
The present invention relates to an arrangement for the lifting of hydrocarbons in oil field wells, comprising a lifting assembly formed by a fluid collecting hose and a fluid suction tube being...
7845413 Method of pumping an oilfield fluid and split stream oilfield pumping systems  
A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well...
7832468 System and method for controlling solids in a down-hole fluid pumping system  
A system for controlling solids within a wellbore of a well includes a pump positioned within a substantially horizontal portion of the wellbore. A first tubing string is operatively connected...
7810572 Method for delivering a multi phase mixture and pump installation  
The object of the invention is to improve delivery of the multi-phase mixture, in particular hydrocarbons from a well, and to limit the free gas volume. According to the invention, this object is...
7806665 Auxiliary braking device for wellhead having progressive cavity pump  
An auxiliary braking device can be used for wellhead applications having a progressive cavity pump. A housing of the device independently mounts on the pump's existing drive using a mounting...
7784534 Sealed drive for a rotating sucker rod  
A drive assembly for powering a rotating rod string (14) passing through a surface wellhead (18) includes a torque conveying housing (32) containing a radially outer member supporting a plurality...
7775776 Method and apparatus to pump liquids from a well  
A single conduit lift pump is disclosed that only requires a single fluid conduit for both the driving fluid and the pumping action of the pump in a well bore. Fluid pressure communicated to the...
7766079 Pumping installation for a gas producing well  
A pumping installation for a gas producing well. A gas compressor is positioned on surface which receives gas. The compressor is powered by hydraulic fluid. An engine is positioned a sufficient...
7762321 Hydraulic oil well pumping apparatus  
A hydraulic oil well pumping arrangement employs a compensating type hydraulic pump, a directional valving arrangement and a proportioning valving arrangement. When the directional valve is...

Matches 1 - 50 out of 216 1 2 3 4 5 >