Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186)
06/2009
06/11/2009US20090145599 Method System and Program Storage Device for Simulating A Multilayer Reservoir and Partially Active Elements In A Hydraulic Fracturing Simulator
06/11/2009US20090145598 Optimization of untreated oil shale geometry to control subsidence
06/11/2009US20090145597 Tapered sleeve and fracturing head system for protecting a conveyance string
06/11/2009US20090145595 Gas assisted downhole pump
06/11/2009CA2707482A1 A method for performing oilfield production operations
06/11/2009CA2707019A1 Process for consolidating sand
06/11/2009CA2706913A1 Dewatering of silicate wellbore fluids
06/11/2009CA2706110A1 Pulse fracturing device and method
06/11/2009CA2704076A1 Method of radially expanding a tubular element
06/11/2009CA2701164A1 Method of recovering bitumen from a tunnel or shaft with heating elements and recovery wells
06/10/2009EP2067836A1 Process for consolidating sand
06/10/2009EP2066867A1 Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage
06/10/2009EP1618282B1 Composition and method for treating a subterranean formation
06/10/2009CN201254983Y Multi-ball injector
06/10/2009CN201254982Y Oil production system with heating, viscosity reducing and de-waxing device
06/10/2009CN201254981Y Steam-filling sieve tube
06/10/2009CN201254980Y Sand cleaning device for injection well
06/10/2009CN201254979Y Layered water flooding recovery pipe column subsection clog pressure working device
06/10/2009CN201254978Y Perforating gun String terminal signal generator
06/10/2009CN201254977Y Integral synergistic perforating gun
06/10/2009CN201254976Y New horizontal well sand prevention well completion structure
06/10/2009CN201254975Y Rope anti-releasing device
06/10/2009CN201254974Y Hair plait maintenance device for beam type pumping unit
06/10/2009CN201254973Y Non-beam single connecting bar double-well linkage pumping unit
06/10/2009CN201254972Y Antiscaling collector
06/10/2009CN201254971Y Motor inverting bidirectional drum belt pumping unit
06/10/2009CN101451430A High energy-saving hydraulic pumping well device with hanging weight connecting rod
06/10/2009CN101451429A Super low energy consumption hydraulic pumping well device
06/10/2009CN101451428A Vacuum and pneumatic double dynamic multi-well pumping well system device
06/10/2009CN100497884C Method for producing oil by injecting air buffering catalytic oxidation of thick oil
06/10/2009CN100497883C Loose sand oil accumulation replacement and sand prevention method
06/10/2009CN100497882C Hydraulic oil production method and device
06/09/2009US7543649 Method of collecting crude oil and crude oil collection header apparatus
06/09/2009US7543648 System and method utilizing a compliant well screen
06/09/2009US7543647 Multi-zone, single trip well completion system and methods of use
06/09/2009US7543646 Introducing an aqueous treating fluid of a viscoelastic surfactant, alkylene glycols, or glycerin, a fluid loss control agent of alkaline earth metal oxides, alkaline earth metal hydroxides, vegetable oil and fish oil through a wellbore to the subterranean formation
06/09/2009US7543645 Method for servicing a well bore using a mixing control system
06/09/2009US7543644 Introducing an aqueous treating fluid of a viscoelastic surfactant, alkylene glycols, or glycerin, a fluid loss control agent of alkaline earth metal oxides, alkaline earth metal hydroxides, vegetable oil and fish oil through a wellbore to the subterranean formation
06/09/2009US7543641 System and method for controlling wellbore pressure during gravel packing operations
06/09/2009US7543640 System and method for controlling undesirable fluid incursion during hydrocarbon production
06/09/2009US7543639 Open hole expandable patch and method of use
06/09/2009US7543638 Low temperature oxidation for enhanced oil recovery
06/09/2009US7543637 Methods for expanding tubular strings and isolating subterranean zones
06/09/2009US7543634 Method and apparatus for wellbore fluid treatment
06/09/2009US7543633 Floating shaft gas separator
06/09/2009CA2531932C Expandable tubing
06/09/2009CA2527751C Borehole telemetry system
06/09/2009CA2519647C Method of treating subterranean formations to enhance hydrocarbon production using proppants
06/09/2009CA2492317C Viscosity reduction of viscoelastic surfactant based fluids
06/09/2009CA2463243C Joint for use with expandable tubulars
06/09/2009CA2401723C Wireless communication using well casing
06/09/2009CA2385427C Method and system for simulating a hydrocarbon-bearing formation
06/07/2009CA2641072A1 Silica inhibition and blowdown evaporation (sibe) process
06/05/2009CA2645948A1 High velocity string for well pump and method for producing well fluid
06/04/2009WO2009070317A1 Drilling fluids containing microbubbles
06/04/2009WO2009070050A1 Method for monitoring the operation of an oil well using hydraulic fracturing technics
06/04/2009WO2009069058A1 Ph sensitive emulsion system
06/04/2009WO2009068839A1 Method and apparatus for moving a high pressure fluid aperture in a well bore servicing tool
06/04/2009WO2009068407A1 Method for operating a compressor device and associated compressor device
06/04/2009WO2009068316A1 System and method for drilling lateral boreholes
06/04/2009WO2009068315A1 System and method for drilling and completing lateral boreholes
06/04/2009WO2009068302A2 Downhole, single trip, multi-zone testing system and downhole testing method using such
06/04/2009WO2009068191A1 Retrievable downhole testing tool
06/04/2009WO2009052051A3 Downhole tubular sealing system
06/04/2009WO2009051936A3 Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation
06/04/2009WO2009042830A3 Insertable progressive cavity pump
06/04/2009WO2009040561A3 Choke assembly
06/04/2009WO2009035923A3 Multi-function indicating tool
06/04/2009US20090139769 Apparatus and method for a hydraulic diaphragm downhole mud motor
06/04/2009US20090139766 Methods of Perforation Using Viscoelastic Surfactant Fluids and Associated Compositions
06/04/2009US20090139732 Downhole swaging system and method
06/04/2009US20090139730 Mechanical seal and lock for tubing conveyed pump system
06/04/2009US20090139728 Screened valve system for selective well stimulation and control
06/04/2009US20090139725 Use of low impact expansion to reduce flow friction
06/04/2009US20090139724 Latch position indicator system and method
06/04/2009US20090139719 Cement-based particulates and methods of use
06/04/2009US20090139718 Bypass crossover sub selector for multi-zone fracturing processes
06/04/2009US20090139717 Multi-Position Valves for Fracturing and Sand Control and Associated Completion Methods
06/04/2009US20090139716 Method of recovering bitumen from a tunnel or shaft with heating elements and recovery wells
06/04/2009US20090139715 Process to upgrade whole crude oil by hot pressurized water and recovery fluid
06/04/2009US20090139714 Interventionless pinpoint completion and treatment
06/04/2009US20090139322 Downhole 4d pressure measurement apparatus and method for permeability characterization
06/04/2009CA2771064A1 Method and apparatus for moving a high pressure fluid aperture in a well bore servicing tool
06/04/2009CA2707134A1 Retrievable downhole testing tool
06/04/2009CA2707088A1 Downhole, single trip, multi-zone testing system and downhole testing method using such
06/04/2009CA2705570A1 Method and apparatus for moving a high pressure fluid aperture in a well bore servicing tool
06/03/2009EP2065556A1 Retrievable downhole testing tool
06/03/2009EP2065555A1 Method for operating a compressor device and the compressor device
06/03/2009EP2065554A1 System and method for drilling and completing lateral boreholes
06/03/2009EP2065553A1 System and method for drilling lateral boreholes
06/03/2009EP2064412A2 A method and an apparatus for cold start of a subsea production system
06/03/2009EP2064410A2 Systems and methods to retard rod string backspin
06/03/2009EP1792049B1 Screen for controlling inflow of solid particles in a wellbore
06/03/2009EP1606526A4 Method for preventing critical annular pressure buildup
06/03/2009CN201250653Y Sand-plugging preventing sand spraying device
06/03/2009CN201250652Y Oil pipe transmission perforation power supply bar
06/03/2009CN201250651Y Injection-production pipe column block-preventing protective device
06/03/2009CN201250650Y Two-way clutch reverse long stroke pumping unit
06/03/2009CN101449027A Systems and methods for producing oil and/or gas
06/03/2009CN101449026A Use of fluorocarobon surfactants to improve productivity of gas and gas condensate wells
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