Matches 1 - 42 out of 42


Match Document Document Title
US20130306303 INTEGRATED DRIVING HEAD FOR PROGRESSIVE CAVITY PUMPS USED IN OIL EXTRACTION  
An “INTEGRATED DRIVING HEAD FOR PROGRESSIVE CAVITY PUMPS USED IN OIL EXTRACTION” composed of a gear box provided with a single pair of gears (6) for transmission between the motor (1) and the...
US20150114644 Compression-Actuated Multi-Cycle Circulation Valve  
A downhole tool conveyed via tubing within a wellbore at a wellsite comprises a hydraulic tool driven by fluid pumped to the hydraulic tool via the tubing. The downhole tool further comprises a...
US20110266005 CONTINUOUS ROD PUMP DRIVE SYSTEM  
In a downhole rod-driven pump, continuous rod is used to drive the pump. The continuous rod is connected directly to the drive eliminating the need for a polish rod and an uphole coupling. A...
US20150000930 PUMP JACK ASSEMBLY  
A pump jack assembly comprising: a horsehead mounted to rock on a frame; a polished rod connected to the horsehead; and a hydraulic motor connected to rock the horsehead.
US20140174756 ARTIFICIAL LIFT METHOD FOR LOW PRESSURE SAGD WELLS  
A pumping system includes a hydraulic motor assembly configured to drive a production pump. The hydraulic motor assembly includes a master pump located on the surface and an electric motor...
US20080210436 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...
US20130255933 OIL PUMPING SYSTEM USING A SWITCHED RELUCTANCE MOTOR TO DRIVE A SCREW PUMP  
An oil-pumping system includes a pumping-well unit, a controller composed of a main control circuit, a power converter, a current sensor and a position sensor, a switched reluctance motor mounted...
US20130105156 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...
US20080264625 LINEAR ELECTRIC MOTOR FOR AN OILFIELD PUMP  
An oilfield pump employing a linear electric motor. The linear electric motor replaces a conventional crankshaft or hydraulic techniques for driving a plunger of the pump. This may reduce the...
US20110220343 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...
US20050279505 System for recovering downhole oil and gas from economically nonviable wells  
An improved system of increasing downhole oil or gas production in otherwise economically nonviable oil or gas wells. The present system cycles compressed atmospheric gas either through a primary...
US20110083839 Coaxial Electric Submersible Pump Flow Meter  
A venturi structure is supported below an ESP preferably off its gauge assembly below its motor so that the surrounding casing or wellbore defines the venturi path leading to the suction...
US20120237380 Downhole Backspin Retarder for Progressive Cavity Pump  
A backspin retarder for a progressive cavity pump deploys on the drive string uphole from a pump unit. The backspin retarder has a shaft that connects to portions of the drive string. An impeller...
US20090266534 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...
US20110284238 INSERTABLE SURFACE-DRIVEN PUMP  
Wellbore tubing having an annular seating member and an annular anti-rotation member can be used for one or more types of surface driven submersible pumps. In one embodiment, a stator and a rotor...
US20070181297 Downhole well pump with bottom standoff  
In a downhole well pumping system an elongated bottom standoff pipe member is connected at one end to the lower end of a well pump and includes a plug disposed at the opposite end of the standoff...
US20100319904 Down hole delivery system  
An improved delivery system for pumping fluid from a pay zone to the surface of a well in which the well casing is fitted with a pump lodged in the pay zone of the well, a drive head at the...
US20140069651 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...
US20110067885 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...
US20140000866 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...
US20100230091 Hydraulically Actuated Downhole Pump with Gas Lock Prevention  
A hydraulic pump avoids problems with gas lock found in conventional pumps. The pump draws in production fluid in a lower pump volume during the pump's upstroke and diverts the produced fluid to...
US20080047705 Methods & systems for the automated operation and control of a continuous loop pump  
Systems and methods for automating the extraction of oil from an oil well, especially low production orphan wells. The system includes an endless loop pump extending into the oil well; a...
US20080217023 Continuous sucker rod and method of using same  
A continuous sucker rod preferably comprising fiberglass or composite material for use in an well is described herein. The continuous sucker rod may be connected at one end to a pump drive, via a...
US20110094751 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...
US20090032240 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...
US20090260800 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 of...
US20080257555 Linear Drive Assembly with Rotary Union for Well Head Applications and Method Implemented Thereby  
A drive assembly for a progressive cavity pump includes a frame supported by the wel piping and a polish rod connected to the sucker rod. The polish rod is received by a rotary union formed by a...
US20080122182 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...
US20060169458 Pumping system and method for recovering fluid from a well  
The present invention relates to a pumping system and method for drawing or pumping subsurface fluid (e.g., gas, oil, water, etc.) from a well, particularly a gas well. The pumping system of the...
US20080035325 Polished rod rotator  
Under low reservoir pressure in oil well bores, oil extraction is carried out by using pumping equipment, which activates submerged pump through up and down reciprocating sucker rods. Tubing...
US20070246211 Plunger Lift Apparatus  
A plunger of improved construction for reciprocating in a production string of a gas or oil well to remove fluid from the well. The plunger includes a sleeve having a through passage extending...
US20070051508 Pump drive head with integrated stuffing box and clamp  
The improved pump drive head (1) has an integrated stuffing box (9) and comprises: a power transmission (3, 4) coupled to the rotating pump driveshaft (8) within a crude oil well; a stuffing box...
US20080308265 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...
US20110247831 SUBMERSIBLE HYDRAULIC ARTIFICIAL LIFT SYSTEMS AND METHODS OF OPERATING SAME  
The present invention is directed to methods for extracting fluids from oil and gas wells. More specifically, it is directed toward methods and apparatuses to power and control down hole hydraulic...
US20140008078 SLIP JOINT FOR DOWNHOLE TUBING  
A movable downhole tubing string for a downhole well. The well has a wellhead and a downhole pump. The movable downhole tubing string has a movable tubing string having a surface end adjacent to...
US20050056416 Plunger with flow passage and chamber  
A chamber for use in plungers used in wells that produce liquids and/or gases under, which is connected to an internal flow passage to facilitate more rapid descent of the plunger to the well...
US20080135259 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...
US20140311730 Progressive Cavity Pump With Free Pump Rotor  
In a production apparatus for pumping production fluid to the surface of a well, a progressive cavity pump with a stator and a rotor in which the rotor has an extension which rests on a thrust...
US20150096737 Shaft Seal Pressure Compensation Apparatus  
A pressure compensating system that minimizes the pressure differences across multiple shaft seals in a rod driven downhole pumping apparatus. The system balances the pressures across the seals by...
US20160097258 Internal Subsurface Safety Valve For Rotating Downhole Pumps  
A subsurface safety valve and method for sealing an annulus within a tubular, including a valve housing having a first section having a hollow cylinder for receiving a piston, the hollow cylinder...
US20160010438 PNEUMATIC-ON-TOP COUNTERBALANCED THREE-CHAMBER CYLINDER FOR ARTIFICIAL LIFT OPERATIONS  
An artificial lift system for use with a subterranean well can include a cylinder having a piston reciprocably disposed therein, the piston having opposing sides, each of the opposing sides being...
US20160010437 ACCUMULATOR COUNTERBALANCED THREE-CHAMBER CYLINDER FOR ARTIFICIAL LIFT OPERATIONS  
An artificial lift system for use with a subterranean well can include a cylinder having a piston reciprocably disposed therein, the piston having opposing sides, one side being selectively...

Matches 1 - 42 out of 42