Matches 1 - 50 out of 386 1 2 3 4 5 6 7 8 >


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US20120152563 CONNECTION ASSEMBLY FOR THROUGH TUBING CONVEYED SUBMERSIBLE PUMPS  
An electrical submersible pumping (ESP) system for use in a wellbore that can be assembled in the wellbore. Upper and lower pump tandems are fitted with connectors that align the tandems when...
US20110127033 SINGLE WELL DUAL/MULTIPLE HORIZONTAL FRACTURE STIMULATION FOR OIL PRODUCTION  
A method of producing oil which begins by drilling, casing and inserting a tubing string in a wellbore. The method then perforates both an upper portion and a lower portion of the casing to...
US20130192822 Mine Dewatering System And Method  
A system and method for efficiently and effectively removing water from mine areas is presented. In one embodiment, one or more directionally drilled dewatering wells are drilled into the geologic...
US20110162850 SLANT WELL DESALINATION FEEDWATER SUPPLY SYSTEM AND METHOD FOR CONSTRUCTING SAME  
The present invention is embodied in a system for supplying water to a desalination plant from a subsurface feedwater supply using one or more slant wells. The present invention is also embodied...
US20120305264 Solvent Surveillance in Solvent-Based Heavy Oil Recovery Processes  
The present disclosure relates to solvent surveillance in heavy oil production. A method includes the steps of measuring an amount of a native bitumen marker (NBM) in a heavy oil, measuring an...
US20120080196 PLUNGER LIFT AND SAFETY VALVE SYSTEM  
A plunger lift production system uses a production string including a bottom hole assembly, a production tubing having an inside diameter and including a safety valve having an inside diameter,...
US20120247763 BIOMASS-BASED OIL FIELD CHEMICALS  
Microbial biomass from oleaginous microbes provides a cost-efficient, biodegradable additive for use in well-related fluids. The biomass is useful as a fluid loss control agent, viscosity...
US20140083712 Safety Valve By-Pass System for Cable-Deployed Electric Submersible Pump  
In an embodiment, a work string for downhole use in a well comprises a safety valve comprising a sealable flow path; a first electrical connection disposed above the safety valve; a second...
US20130068468 GROUNDWATER SAMPLING DEVICE  
A groundwater sampling and pumping device and system for withdrawing groundwater from a well of small size, not exceeding 1.5 inches I.D. The device includes a hollow outer housing having water...
US20110073316 SURFACE REFILLABLE PROTECTOR  
An electric pumping system having an electric submersible pump located downhole in a well, the electric submersible pump comprising a motor part, a pump part, and a protector part; the motor part...
US20120012332 INTAKE FOR SHROUDED ELECTRIC SUBMERSIBLE PUMP ASSEMBLY  
An electric submersible pump (ESP) assembly comprises an integrated sub-assembly encased within a shroud. The integrated sub-assembly comprises a well fluid intake having a shroud hanger formed in...
US20120305263 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...
US20120205119 PUMP CONTROL DEVICE, OIL WELL WITH DEVICE AND METHOD  
A method of operating an oil well comprises applying through a regenerative variable frequency drive AC electrical energy from a power grid to an AC electric motor to operate a drive mechanism of...
US20120261118 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...
US20110048730 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...
US20100025043 SYSTEM AND VESSEL FOR HYDROCARBON PRODUCTION AND METHOD FOR INTERVENTION ON SUBSEA EQUIPMENT  
A system for operation and service of at least one hydrocarbon-producing well and of equipment, which is disposed under water, for further transport of the well stream, where the system comprises...
US20110272143 SAND PRODUCTION CONTROL THROUGH THE USE OF MAGNETIC FORCES  
A process for controlling the production of loose sand particles within an underground formation through the use of magnetic forces is provided. The loose sand particles are magnetized and then...
US20120193093 Modular Transportable System For SAGD Process  
A transportable modular process for exploiting a remote heavy oil resource or the like using steam assisted gravity drainage technology or the like. Said process comprising transportable...
US20130269943 Method of Recovering Oil and Producing Produced Water That is Concentrated and Dried by a Double Drum Dryer  
A method of treating concentrated produced water derived from a steam assisted gravity discharge oil recovery process is described. The method includes utilizing a double drum dryer to dry a...
US20110030967 METHOD FOR GENERATING SOFTENED INJECTION WATER  
A method for generating a softened injection water comprising: (A) generating the softened injection water by (i) introducing a source water having a total dissolved solids content of up to 15,000...
US20090000789 Device, Method And Program Product To Automatically Detect And Break Gas Locks In An ESP  
A device, method, and program product detect and break an occurrence of gas lock in an electrical submersible pump assembly in a well bore based upon surface or downhole data without the need for...
US20140262259 ROD DRIVEN CENTRIFUGAL PUMPING SYSTEM FOR ADVERSE WELL PRODUCTION  
A downhole assembly of an artificial lift system includes: an adapter for connection to production tubing; a receptacle shaft; an up-thrust bearing; a centrifugal pump; and a down-thrust bearing....
US20140202692 METHOD FOR THE IN SITU RECOVERY OF HEAVY OIL FROM A SUBTERRANEAN DEPOSIT  
A method for extracting bitumen from a subterranean oil sand deposit including: drilling a portion of the deposit; fragmenting the drilled deposit; drilling of the fragmented deposit to allow for...
US20140202705 Flow Induced Electrostatic Power Generator For Tubular Segments  
The present invention is directed to methods for harnessing flow-induced electrostatic energy in a tubular length and using this energy to power electrical devices (e.g., flowmeters,...
US20150068760 Multi-layered Wellbore Completion for Methane Hydrate Production  
In a completion for producing methane the bottom hole assembly has a base pipe with porous media surrounding it for equalizing flow along the base pipe. A shape memory polymer foam surrounds the...
US20110005771 PFPE OILS IN ESP MOTORS, PROTECTORS AND POTHEADS  
An electrical submersible pump (ESP) for use in a wellbore includes a submersible pump; a motor; and a protector operatively coupled to the motor to protect the motor, wherein at least one of the...
US20100314124 OPEN-HOLE STIMULATION SYSTEM  
A stimulation system configured for use in open-hole wells. The system may alternatively or additionally be configured for multi-zone stimulation applications. The system includes assemblies which...
US20110220354 POLYMER GELS AS FLOW IMPROVERS IN WATER INJECTION SYSTEMS  
A water injection system that includes a primary water injection line; an injection fluid supply tank; a high pressure injection pump in fluid communication with the injection fluid supply and...
US20110061874 TOOL AND METHOD FOR ENHANCING THE EXTRACTION OF LANDFILL GAS  
An apparatus and method to internally provide apertures inside polyvinyl chloride (PVC), high density polyethylene (HDPE), or any polymeric pie, plastic pipe-riser (blank casing) in existing...
US20140262260 Sand Control Screen Having Improved Reliability  
A sand control device is used for restricting the flow of particles from a subsurface formation into a tubular body within a wellbore during production operations. The sand control device is...
US20150114662 Pressure Compensation for a Backup Well Pump  
Primary and secondary pump assemblies are mounted to and supported by a supporting device in a well. The supporting device has a valve that has a first position allowing flow from the primary pump...
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...
US20140166300 DRIVE HEAD FOR A WELLHEAD  
A drive head for a wellhead, the drive head comprising: a rod drive; a pressure chamber; and a rod receiving part connected to the rod drive and enclosed within the pressure chamber. A method...
US20110290503 WELL COMPLETION FOR VISCOUS OIL RECOVERY  
Described is a well completion for evenly distributing a viscosity reducing injectant (e.g. steam and/or solvent, e.g. in SAGD or CSS) into a hydrocarbon reservoir (e.g. of bitumen), for evenly...
US20110024124 Caisson Two-Phase Emulsion Reducer  
A seafloor pump assembly is installed within a caisson that has an upper end for receiving a flow of fluid containing gas and liquid. The pump assembly is enclosed within a shroud that has an...
US20110056700 SYSTEM AND METHOD FOR RECOMPLETION OF OLD WELLS  
A system for recompletion of an old well in order to achieve an increased oil recovery from a reservoir, said system comprising a pipe inserted into the old well, at least two constrictors or...
US20110024123 ESP FOR PERFORATED SUMPS IN HORIZONTAL WELL APPLICATIONS  
The present invention relates to a process for cooling an electrical submersible pump. More specifically, the invention relates to blocking a portion of wellbore fluid from entering a sump,...
US20110174497 METHOD AND SYSTEM FOR MONITORING WATERBOTTOM SUBSIDENCE  
A system for monitoring subsidence and/or rising of a waterbottom has pressure sensors along the interior of a sealed tube that rests on the waterbottom and is filled with a low pressure liquid so...
US20140262317 HIGH-SPEED ROD-DRIVEN DOWNHOLE PUMP  
A surface drivehead drives a downhole pump by rotating a rod string at the surface. The downhole pump can be connected downhole to the rod string via a downhole latching mechanism. The surface...
US20130140037 SYSTEM AND METHOD FOR PLANNING A WELL PATH  
There is provided a system and method for planning a well path. An exemplary method comprises defining a proxy constraint volume as a three-dimensional (3D) cellular volume where each cell has at...
US20140196906 LATCHING SYSTEM FOR WELL SWABBING TOOLS  
A latch system configured to permit one-way automatic passing of a swabbing tool. The latch system having a housing in communication with a well bore and a latch assembly housing a latch member...
US20130199787 Method and System for Fracture Stimulation  
The present techniques provide systems and methods for fracturing a production formation. A method includes creating a notch in a formation and causing a volumetric change in a treatment interval...
US20130081820 HOSTILE ENVIRONMENT STABLE COMPOSITIONS AND DRILLING AND FRACTURING FLUIDS CONTAINING SAME  
Foam systems including a surfactant subsystem including one alpha-olefin sulfonic acid or a plurality of alkali metal alpha-olefin sulfonic acid salts and optionally, one ethoxylated alcohol...
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...
US20130043037 BACK PRESSURED HYDRAULIC PUMP FOR SUCKER ROD  
A hydraulic pump includes a hydraulic cylinder assembly comprising a cylinder sealed by an upper head and a lower head and carrying a piston which divides the hydraulic cylinder assembly into an...
US20110056699 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...
US20130255958 RETROFIT BARRIER VALVE SYSTEM  
A retrofit assembly for functionally replacing a fluid isolation valve disposed in a borehole above a lower completion, including a barrier valve operatively arranged to selectively isolate the...
US20130092391 SYSTEM AND METHOD FOR CONTROLLING FLOW THROUGH A SAND SCREEN  
A system and methodology utilizes a technique for filtering sand; distributing a flow of fluid; e.g. distributing an inflow of gas or condensate; and limiting the potential for erosion of...
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...
US20140196907 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 386 1 2 3 4 5 6 7 8 >