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)
06/2010
06/17/2010US20100147535 Expandable Liner Hanger
06/17/2010US20100147527 Subsea boosting cap system
06/17/2010US20100147524 Multi-function multi-hole drilling rig
06/17/2010US20100147522 Systems and methods for treating a subsurface formation with electrical conductors
06/17/2010US20100147521 Perforated electrical conductors for treating subsurface formations
06/17/2010US20100147519 Mitigating perforating gun shock
06/17/2010US20100147516 System and method for minimizing the negative enviromental impact of the oilsands industry
06/17/2010US20100147515 Surface modification for cross-linking or breaking interactions with injected fluid
06/17/2010US20100147514 Columnar downhole gas separator and method of use
06/17/2010US20100147513 Well jet device for well-logging operations and the operating method thereof
06/17/2010US20100147511 Injection well surveillance system
06/17/2010US20100147506 Truck-mounted pumping system for treating a subterranean formation via a well with a mixture of liquids
06/17/2010US20100147505 Power cable for high temperature environments
06/17/2010US20100147504 Use of barite and carbon fibers in perforating devices
06/17/2010DE112008002227T5 Verbesserte Kühlung für Bohrlochmotoren Improved cooling for downhole motors
06/17/2010CA2746368A1 Hydraulic fracture height growth control
06/17/2010CA2746095A1 Electrical submersible pump system connection adapter
06/16/2010CN201507772U Lubricating system of closed-type oil extractor
06/16/2010CN201507550U Sliding bearing for novel walking beam type well pumping unit
06/16/2010CN201507431U Coal bed gas immersed pump drainage and extraction equipment control cabinet
06/16/2010CN201507300U Horizontal well multifunctional physical model test device
06/16/2010CN201507298U Injection device of integrated polymer system
06/16/2010CN201507297U Perforation tubular column turntable
06/16/2010CN201507296U External key azimuthal orientation structure of perforating gun block bunches
06/16/2010CN201507295U Front-end powder box for perforating bullets
06/16/2010CN201507294U Heating and pressurizing detection device for analog unit perforating guns
06/16/2010CN201507293U Small diameter sand control filament-coiling screen pipe
06/16/2010CN201507292U Gravel enclosing and filling sand control device
06/16/2010CN201507291U Connecting device of lower variation barbell well pumping unit walking beam and barbell
06/16/2010CN201507290U Beam-pumping unit fluted disc type braking safety device
06/16/2010CN201507289U Vertical pumping unit
06/16/2010CN201507288U Vertical oil sucking machine driven by switch reluctance motor
06/16/2010CN201507287U Walking-beam oil sucking machine driven by switch reluctance motor
06/16/2010CN201507286U Mule-head turned-up demised beam pumping unit
06/16/2010CN201507285U Lubricate motor oil revivification apparatus for oilfield oil pumping machine
06/16/2010CN201507284U Balancing block adjusting device for oil extractor
06/16/2010CN201507283U Anti-theft device of vertical pumping unit fixing bolt
06/16/2010CN201507282U Stroke-increasing type long stroke oil-pumping unit
06/16/2010CN201507281U Hollow sucker rod well flushing device
06/16/2010CN201507280U Water cycle heating device for loading arm of thick oil storage tank
06/16/2010CN201507279U Separate-acidification hydraulic switch as well as upper valve and lower valve thereof
06/16/2010CN201507258U Executing device for underground tool passing through water distributor in reciprocating manner
06/16/2010CN201507251U Adjustable rope hanging device
06/16/2010CN1916357B Multistage pulses enhanced perforation equpment in use for oil and gas well
06/16/2010CN1902437B Method for preparing under-well injection steam used in steam overflow process in oil recovery
06/16/2010CN1575377B Method and system for forming holes in stratum, holes formed by the method and system, and compound generated thereby
06/16/2010CN101737029A Crude oil extraction method capable of effectively utilizing ultra-low permeability reservoir bed
06/16/2010CN101737028A Coalbed methane high-power pulse fracturing developing device
06/16/2010CN101737027A High energy gas fracturing device of oil reservoirs of horizontal well
06/16/2010CN101737026A Controllable pulse gas energy pressure cracking device
06/16/2010CN101737025A Method for reducing viscosity of crude oil
06/16/2010CN101737024A Screen pipe with temporary plugging function
06/16/2010CN101737023A Energy storage type four-bar pumping unit
06/16/2010CN101737022A Semilunar beam through type crank outer support arm twin-well pumping unit
06/16/2010CN101737021A Method and device of compound permanent magnet motor oil extractor
06/16/2010CN101737019A Release packer capable of well-flushing
06/16/2010CN101735571A Formula for layered water injection pipe and production technology thereof
06/16/2010CN101122214B Mechanical swelling type screen pipe hanger
06/16/2010CN101074600B Core-dissecting micro-analysis method
06/15/2010US7739089 Integrated reservoir optimization
06/15/2010US7736521 Circulating completion, workover and drilling fluids used in hydrocarbon oil recovery monitored by a viscometer generating a signal and divertingthe flow if the fluid viscosity is too high or too low for filtration by diatomaceous earth filter; viscosity is adjusted accordingly for reuse
06/15/2010US7736133 Capsule for two downhole pump modules
06/15/2010US7735935 In situ thermal processing of an oil shale formation containing carbonate minerals
06/15/2010US7735578 Perforating system with shaped charge case having a modified boss
06/15/2010US7735566 One trip completion system
06/15/2010US7735559 System and method to facilitate treatment and production in a wellbore
06/15/2010US7735558 Crosslinked acids comprising derivatized xanthan and subterranean acidizing applications
06/15/2010US7735556 Method of isolating open perforations in horizontal wellbores using an ultra lightweight proppant
06/15/2010US7735555 Completion system having a sand control assembly, an inductive coupler, and a sensor proximate to the sand control assembly
06/15/2010US7735554 System and method for recovery of fuel products from subterranean carbonaceous deposits via an electric device
06/15/2010US7735553 Snap-lock bushing for prepacked screens
06/15/2010US7735551 Method and system for fracturing subterranean formations with a proppant and dry gas
06/15/2010US7735548 Ball catcher for wellbore operations
06/15/2010CA2572913C Method and apparatus for downhole artificial lift system protection
06/15/2010CA2510139C Method and system for improving pump efficiency and productivity under power disturbance conditions
06/15/2010CA2447556C Propellant treatment and continuous foam removal of well debris
06/15/2010CA2357883C Slotting geometry for metal pipe and method of use of the same
06/12/2010CA2688209A1 Multilateral expandable seal
06/12/2010CA2686140A1 System and method for minimizing the negative enviromental impact of the oilsands industry
06/12/2010CA2684817A1 Steam generation process and system for enhanced oil recovery
06/10/2010WO2010065597A2 Expandable tubular installation systems, methods and apparatus
06/10/2010WO2010065558A2 Method for perforating failure-prone formations
06/10/2010WO2010065554A2 Method for the enhancement of dynamic underbalanced systems and optimization of gun weight
06/10/2010WO2010065552A2 Methd for perforating a wellbore in low underbalance systems
06/10/2010WO2010065548A2 Method for the enhancement of injection activities and stimulation of oil and gas production
06/10/2010WO2010065454A2 Method and apparatus for controlling fluctuations in multiphase flow production lines
06/10/2010WO2010065228A1 Use of barite in perforating devices
06/10/2010WO2010064959A1 Method for determining the closure pressure of a hydraulic fracture
06/10/2010WO2010064010A2 Apparatus and method for servicing a wellbore
06/10/2010WO2010063171A1 A top mounted tower type nc pumping unit
06/10/2010WO2009149255A4 Fixed swirl inducing blast liner
06/10/2010WO2009073484A8 Methods for improving the productivity of oil producing wells
06/10/2010WO2009060177A8 Method of injecting carbon dioxide
06/10/2010WO2009051490A8 Casing device
06/10/2010US20100140139 Systems and methods for absorbing gases into a liquid
06/10/2010US20100139928 Replaceable sleeve for a cylinder liner
06/10/2010US20100139927 Method of imaging of seismic data involving a virtual source, methods of producing a hydrocarbon fluid, and a computer readable medium
06/10/2010US20100139922 Process for producing heavy oil
06/10/2010US20100139919 Gravel Packing Methods
06/10/2010US20100139918 Method to prevent well sanding using gravel packing
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