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)
03/2012
03/14/2012EP2427632A1 Gas tolerant subsea pump
03/14/2012EP2427631A2 Gravel pack carrier fluids
03/14/2012EP2427530A1 Methods of consolidating particulates using a hardenable resin and an organosilane coupling agent
03/14/2012EP2329103B1 Sand control screen assembly and method for use of same
03/14/2012EP2229504B1 Oilfield area network communication system and method
03/14/2012CN202166049U 超临界压力油田注汽发生器补燃式燃烧室预燃喷注器 Supercritical pressure steam injection oil-fired generators complement the pre-combustion chamber injector
03/14/2012CN202165068U 一种全自动脱气机 A fully automatic degasser
03/14/2012CN202165067U 空气泡沫驱井底发泡工艺管柱 Air foam flooding downhole string foaming process
03/14/2012CN202165066U 一种油田注水加药装置 One kind of oil field water dosing device
03/14/2012CN202165065U 一种管柱堵塞器 One kind of string clogged filter
03/14/2012CN202165064U 一种保护油层分层采油工艺管柱 A protective layered reservoir oil production string
03/14/2012CN202165063U 用于含硫气井的抗冲蚀井下节流嘴 Anti-erosion for sour gas well downhole choke
03/14/2012CN202165062U 一种穿孔孔径规则且孔深一致的聚能射孔弹 One kind of hole diameter and hole depth consistent with the rules of shaped charges
03/14/2012CN202165061U 螺旋防砂自洁筛管 Spiral sand self-cleaning screens
03/14/2012CN202165060U 采油井自动提液装置 Production wells automatically extract device
03/14/2012CN202165059U 节能抽油装置 Saving oil rig
03/14/2012CN202165058U 游梁式抽油机调整平衡用工具 Adjust the balance beam pumping unit with tools
03/14/2012CN202165057U 节能型立柱式抽油机 Energy-efficient pumping Column
03/14/2012CN202165056U 防尘大齿轮天平式抽油机 Dust large scale pumping unit gear
03/14/2012CN202165055U 地面驱动单螺杆泵井下油水分离同井采注装置 Ground-driven single screw downhole oil-water separation equipment with well taken note
03/14/2012CN202165051U 单流可泄油式自洁沉砂装置 Single stream can drain device self-cleaning grit
03/14/2012CN202164355U 酸平衡安全工具 Acid balance of security tools
03/14/2012CN102378650A A plant for separating oil from a gas mixture, and a method for separating oil from a gas mixture
03/14/2012CN102373928A Building method of mineshaft for exploring natural gas hydrate
03/14/2012CN102373914A Deep profile control method for fractured oil reservoir
03/14/2012CN102373913A High-efficiency anti-magnesium ion oil displacement method
03/14/2012CN102373912A Profile control device and manufacturing method thereof
03/14/2012CN102373911A Blockage relieving device for oil-water well
03/14/2012CN102373910A Petroleum screen pipe
03/14/2012CN102373909A New method for exploiting gas hydrate
03/14/2012CN102373908A Underground ultrasonic yield-increasing pumping device for coalseam gas
03/14/2012CN102373907A Chain reciprocator of pumping unit
03/14/2012CN102373906A Interwell continuous gas lift water pumping gas production method and device of high-pressure air source well
03/14/2012CN102373905A Storage and transportation box used when natural gas hydrate is mined
03/14/2012CN102373904A Long-stroke energy-saving pumping unit
03/14/2012CN102373903A Long-stroke roller oil pumping unit
03/14/2012CN102373900A Staged fracturing well completion method using hydraulic-controlled switch to open/close controllable valves
03/14/2012CN102373053A Foaming agent composition and purpose thereof
03/14/2012CN102373049A Oil displacement method used for improving recovery efficiency of tertiary oil recovery
03/14/2012CN102373048A Oil removal method for improving recovery rate of tertiary oil recovery of oil field
03/14/2012CN102373044A Oil displacement method suitable for MgCl2 water-type oil displacement agent
03/14/2012CN102373041A Oil displacement method by use of seawater base oil displacement agent
03/14/2012CN102373039A Oil displacement method suitable for seawater base
03/14/2012CN102373036A Gas self-production agent, use of the gas self-production agent, and self-produced gas foam acidizing method for oil wells and water wells
03/14/2012CN102372381A Method for preparing polymer for oil displacement with injected water in oil reservoir
03/14/2012CN101457640B Abradant jet downhole perforation, and kerf multiple fracturing method
03/14/2012CN101392641B Method for real-time observing mother oil displacement process of true core
03/13/2012US8133587 Proppant materials comprising a coating of thermoplastic material, and methods of making and using
03/13/2012US8132628 Methods for increasing oil production
03/13/2012US8132624 Permeability flow balancing within integral screen joints and method
03/13/2012US8132620 Triangle air injection and ignition extraction method and system
03/13/2012US8132619 One trip liner running, cementing and setting tool using expansion
03/13/2012CA2752558A1 Steam driven direct contact steam generation
03/13/2012CA2748477A1 Steam drive direct contact steam generation
03/13/2012CA2739541A1 Steam drive non-direct contact steam generation
03/13/2012CA2681607C Hydrajet tool for ultra high erosive environment
03/13/2012CA2666941C Hydrocarbon recovery using fluids
03/13/2012CA2654871C Process for coating gravel pack sand with polymeric breaker
03/13/2012CA2650130C System and method for the recovery of hydrocarbons by in-situ combustion
03/13/2012CA2614114C Methods for preventing proppant carryover from fractures, and gravel-packed filter
03/13/2012CA2606620C Method of monodiameter well construction
03/13/2012CA2547503C Method for production of high pressure steam from produced water
03/13/2012CA2437513C Multilateral well completion
03/13/2012CA2347462E Method and apparatus for reclaiming deicer from produced water of an oil well
03/12/2012CA2728064A1 Steam drive direct contact steam generation
03/10/2012CA2714646A1 Multiple infill wells within a gravity-dominated hydrocarbon recovery process
03/09/2012CA2751928A1 Self-orientating fracturing sleeve and system
03/08/2012WO2012030843A2 Methods for completing multi-zone production wells using sliding sleeve valve assembly
03/08/2012WO2012030525A1 Downhole adjustable inflow control device for use in a subterranean well
03/08/2012WO2012030476A2 Method, system,and production and storage facility for offshore lpg and lng processing of associated gases
03/08/2012WO2012030457A1 Computer-implemented systems and methods for forecasting performance of polymer flooding of an oil reservoir system
03/08/2012WO2012030431A1 System and method for multiphase pump lubrication
03/08/2012WO2012030426A1 Olefin reduction for in situ pyrolysis oil generation
03/08/2012WO2012029588A1 Method for sealing off discharge of oil etc. caused by breakage of steel pipe etc. of undersea oil well
03/08/2012WO2012028910A1 Synchronised system for the production of crude oil by means of in-situ combustion
03/08/2012WO2012028616A1 Sealing system
03/08/2012WO2012006483A3 A method for pre-treatment of subterranean sites adjacent to water injection wells
03/08/2012WO2012003419A3 Multiple ball-ball seat for hydraulic fracturing with reduced pumping pressure
03/08/2012WO2011161569A3 Composition and methods for oilfield application
03/08/2012WO2011160156A3 Apparatus and method for tapping fluid which flows from a source located at the bottom of a body of water
03/08/2012WO2011147031A4 Downhole gas release apparatus
03/08/2012WO2011146549A3 Method for drilling through nuisance hydrocarbon formations
03/08/2012WO2011131551A3 Device and method of enchancing production of hydrocarbons
03/08/2012US20120057995 Side-channel compressor with symmetric rotor disc which pumps in parallel
03/08/2012US20120055685 Methods for increasing oil production
03/08/2012US20120055683 System and methods for tubular expansion
03/08/2012US20120055676 Fluid Loss Control in Viscoelastic Surfactant Fracturing Fluids Using Water Soluble Polymers
03/08/2012US20120055675 Method and Apparatus for Selective Acid Diversion in Matrix Acidizing Operations
03/08/2012US20120055674 Detecting and correcting unintended fluid flow between subterranean zones
03/08/2012US20120055673 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes
03/08/2012US20120055671 Multi-Functional Isolation Tool and Method of Use
03/08/2012US20120055670 Method of fracturing using mannanohydrolase enzyme breaker
03/08/2012US20120055668 Solvents and compositions for treating hydrocarbon-bearing formations
03/08/2012US20120055667 Wellbore isolation tool using sealing element having shape memory polymer
03/08/2012US20120055335 Drain liquid relief system for a subsea compressor and a method for draining the subsea compressor
03/08/2012CA2809777A1 Computer-implemented systems and methods for forecasting performance of polymer flooding of an oil reservoir system
03/08/2012CA2809711A1 Sealing system
03/08/2012CA2809377A1 Method, system, and production and storage facility for offshore lpg and lng processing of associated gases
03/08/2012CA2809204A1 Synchronized system for the production of crude oil by means of in-situ combustion
03/08/2012CA2808635A1 Methods for completing multi-zone production wells using sliding sleeve valve assembly
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