Matches 151 - 200 out of 387 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6260627 System and method for improving fluid dynamics of fluid produced from a well  
A system for pumping high gas-to-liquid ratio well fluids. The system includes a submersible pumping system having a submersible motor and a submersible pump driven by the motor. The system further...
6260626 Method and apparatus for completing an oil and gas well  
A technique is provided for supplying electrical power to a submersible pumping system in a well completion. The pumping system includes a submersible electric motor, a pump driven by the motor and...
6257850 Piston and seals for a reciprocating pump  
A piston and seals for a reciprocating pump improve pumping of subterranean fluids containing fine solids to surface. The pump comprises a pump barrel and piston. The piston is suspended from a...
6250391 Producing hydrocarbons from well with underground reservoir  
A method of extracting liquid hydrocarbons from geological formations having a reduced or low liquid hydrocarbon flow rate utilizing a wellbore extending downwardly from the surface of the ground...
6250390 Dual electric submergible pumping systems for producing fluids from separate reservoirs  
A dual submergible pumping system permits pumping of fluids from separate zones within a narrowly confined wellbore without commingling of fluids. The system includes a single deployment tubing...
6213208 Three component separation in an oil well  
A method of separating oil, water and sand in a production fluid. The production fluid is fed through a downhole liquid/liquid hydrocyclone (9). An oil enriched stream from the hydrocyclone (9) is...
6209651 Well production apparatus and method  
A well production apparatus is provided for a well having a pressure control device operatively associated with the well for controlling pressure within the apparatus and well, wherein the...
6189613 Downhole oil/water separation system with solids separation  
A downhole oil/water separation apparatus and process which separates solids from total production fluid prior to oil/water separation is disclosed. Production fluid is passed to a downhole...
6186238 Assembly and method for the extraction of fluids from a drilled well within a geological formation  
The present invention includes an assembly and method to pump fluids produced by a drilled well within a geological formation having a borehole wall fixed by casing. The invention includes a...
6164376 Triple action pumping system and method  
The present invention relates to an apparatus and method for selectively lifting produced fluid, including produced hydrocarbons and a portion of produced water, to a ground surface and for...
6161621 Scrubber for an oil-only recovery apparatus  
An improved scrubber that uses a stream of air to blast the oil off the oil-laden conveyer chains of oil-only recovery apparatus is disclosed. The improved scrubber eliminates the need for...
6158515 Artificial lifting device for well fluids using a continous loop  
Fluid is lifted from a well with a continuous loop of fibrous material, such as rope. The rope loop is formed around a drive sheave on the surface with a return sheave down inside of the well. The...
6158508 Method of operating a plant for the production of hydrocarbons  
The invention relates to the production of hydrocarbons in the form of oil and gas, by means of a plant comprising several wells, a system for collecting the hydrocarbons produced and a downstream...
6152231 Wellhead drive brake system  
A braking mechanism, for controlling the release of energy in a rod string (34) for a down-well rotary pump (33), incorporates a rotary member (16) positioned in the energy loop from a prime mover...
6145597 Method and apparatus for retaining a cable in a conduit  
A technique is provided for retaining a cable assembly in a length of conduit, such as coiled tubing. The retaining assembly is secured to an end of the coiled tubing and to tensile members of the...
6142224 Triple action pumping system with plunger valves  
The present invention relates to an apparatus and method for selectively lifting produced fluid, including produced hydrocarbons and a portion of produced water, to a ground surface and for...
6142229 Method and system for producing fluids from low permeability formations  
A method and system for producing hydrocarbons from a low permeability formation through a well wherein the formation is first fractured with steam. The pressure of the produced fluids is measured...
6135209 Method for installing a water well pump  
A hose and wire combination adapted to provide water and electrical connections to a water well pump includes a hose adapted to bear water, a resilient-material conduit affixed to and extending...
6131662 Methods of completing wells utilizing wellbore equipment positioning apparatus  
Methods of completing wells utilizing wellbore equipment positioning apparatus provide repositioning of sand control screens and perforating guns without requiring movement of a packer in the...
6123149 Dual injection and lifting system using an electrical submersible progressive cavity pump and an electrical submersible pump  
The present invention relates to an apparatus and method for selectively lifting produced fluids, including produced hydrocarbons and a portion of produced water, to a ground surface while...
6119781 Method of operating an oil and gas production well activated by a pumping system  
The invention relates to the production of hydrocarbons in the form of oil and gas, from a well activated by a pumping system. According to the invention, a hydrocarbon production well comprising a...
6116341 Water injection pressurizer  
The present invention relates to an apparatus and a method for multiplying the hydrostatic head of a column of liquid into a magnified injection pressure for injecting water produced in a gas well...
6092599 Downhole oil and water separation system and method  
The present invention relates to a downhole oil and water separation system having a casing which includes an interval in communication with a producing zone. The system further includes two pumps...
6092600 Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible pump and associate a method  
The present invention relates to an apparatus and method for selectively lifting produced fluids, including produced hydrocarbons and a portion of produced water, to a ground surface while...
6089317 Cyclonic separator assembly and method  
The present invention provides methods and apparatus for separating fluids using one or more hydrocyclone separators and a mixer disposed upstream from the hydrocyclone separators. The mixers are...
6085836 Well pump control using multiple sonic level detectors  
A method of using a variety of sonic transmissions is utilized to determined fluid level in a well. It is known that wells replenish fluid at different rates even in the same formation or well...
6041863 Method of passive remediation of D.N.A.P.L.'s from groundwater remediation wells  
A passive absorptive device covered with a layer of DNAPL-philic hydrophobic material, is disposed within a groundwater remediation well to soak up DNAPL (ie., dense non-aqueous phase liquid)...
6039121 Enhanced lift method and apparatus for the production of hydrocarbons  
extending into a hot subterranean hydrocarbon-bearing formation containing water at greater than 100° C. The wellbore is divided into three co-extensive passageways; an annulus, and first and...
6032743 Method and apparatus for reducing gas well production costs using improved downhole valves  
Methods and apparatus are disclosed for reducing lifting costs in a producing hydrocarbon well by injecting produced water into a set of injection perforations located lower in the well borehole...
6015011 Downhole hydrocarbon separator and method  
An apparatus and method of separating hydrocarbons from water and other well fluids produced from a reservoir. A controlled permeability filter selectively permits the flow of gas, oil and other...
6009947 Casing conveyed perforator  
A wellbore completion system utilizes casing conveyed devices to establish a fluid communication path between a downhole formation and the casing string. Extendible pistons are mounted in the wall...
6006837 Method and apparatus for heating viscous fluids in a well  
A system for heating viscous fluids in a wellbore includes a submergible pumping system comprising a pump and submergible electric motor. A heating unit is coupled to the pumping system and is...
5988284 Method and apparatus for enhancing well performance  
A shroud which surrounds a submersible pump is lowered into a water well along with a column pipe which carries the pump. The pump is located below the top of a screen which provides a perforated...
5979559 Apparatus and method for producing a gravity separated well  
A method and apparatus are disclosed for producing a gravity separated well in which water and oil are permitted to separate under the influence of gravity. A pumping unit, including an oil pump...
5979552 Dual annulus production tool  
A dual annulus production tool includes an upper annular seal provided in a sealing relationship with well casing bore below ground surface and above an opening in the casing, an elongated outer...
RE36362 Polymer liners in rod pumping wells  
The installation of an abrasion resistent polymer liner in the production tubing string of a well which is being produced by rod pumping for the principal purpose of reducing rod wear on the tubing...
5960886 Deep well pumping apparatus  
A fluid recovery system for producing subsurface oil and water deposits comprises a high capacity pump such as a high capacity centrifugal pump that is immersed within the deposit, a well casing...
5941311 Down-hole, production pump and circulation system  
A production pump & circulation tool (1, FIG. 1) used down-hole on the end of a production string (FIG. 10) including: a combined traveling valve assembly bottom connector (10) and fishing tool...
5913363 Method for downhole separation of natural gas from brine with injection of spent brine into a disposal formation  
A method for downhole separation of natural gas from brine with injection of spent brine into a disposal formation. Firstly, select a free flowing gas well having a suitable disposal formation....
5881811 Modeling of interactions between wells based on produced watercut  
The invention is a method for modeling the effects of interactions between wells on the watercuts in effluents produced by one or more wells through a zone of an underground hydrocarbon reservoir...
5857807 Municipal solid waste landfill system  
A municipal solid waste (MSW) landfill system includes a leachate collection system installed in a layer of MSW in a preexisting landfill. The layer of MSW is covered with a layer of waste ash...
5845709 Recirculating pump for electrical submersible pump system  
An electrical submersible pump (ESP) having tubing for recirculating fluid below the motor of the ESP for cooling purposes. By recirculating fluid below the motor, an ESP can then be placed below...
5842520 Split stream pumping system for oil production using electric submersible pumps  
A system for reducing lifting costs in a producing oil well is disclosed. The system employs a casing string set through a production zone having upper producing perforations and lower injection...
5842521 Downhole pressure relief valve for well pump  
A well pump assembly has a pressure relief valve in the tubing string for avoiding excessive discharge pressure on a progressing cavity pump. The pressure relief valve is mounted in the string of...
5829530 Pump off control using fluid levels  
An acoustic method is disclosed for performing pump off control using fluid level in producing wells and other inaccessible cavities. The method uses flow induced pressure phenomena to locate the...
5829529 Method and device for producing by pumping in a horizontal drain hole  
The present invention relates to a pumping method and device in a well comprising a portion that is greatly inclined with respect to the vertical. A pump is secured to a strong of tubes that are...
5823262 Coriolis pump-off controller  
The operation of an oil well pumping unit control system (20, 200) is governed by a computerized automated control unit (88) that receives flow rate measurements from a Coriolis flow meter (28)....
5816326 Uphole disposal tool for water producing gas wells  
Disclosed is an apparatus for recovering gas from an underground source of gas and water and for disposing of water from the source into a porous stratum above the source. A casing having...
5813469 Coupled downhole pump for simultaneous injection and production in an oil wheel  
An apparatus for the downhole production of hydrocarbons. The apparatus includes a first pump coupled to a second pump. The first pump is powered by injection fluid contained in the tubing string;...
5785123 Apparatus and method for controlling a well plunger system  
An apparatus and method for controlling a well plunger system for the production of natural gas is described. The well plunger system includes a plunger tube positioned within a casing of a gas...
Matches 151 - 200 out of 387 < 1 2 3 4 5 6 7 8 >