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 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
Patents for E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262)
07/2012
07/24/2012US8226326 Arctic platform
07/24/2012US8225866 In situ recovery from a hydrocarbon containing formation
07/18/2012CN202338285U 稠油井空心抽油杆清洗连接器 Heavy oil cleaning hollow rod connector
07/18/2012CN202338282U 油井环保防漏热洗管柱 Well environmental leakproof hot wash column
07/18/2012CN202338281U 小型真空超导油井全自动井口加热炉 Automatic oil wellhead small vacuum furnace superconducting
07/18/2012CN102587863A Paraffin removal device for oil wells
07/18/2012CN102587861A System and method for automatic electric heating control for oil pumping well
07/17/2012US8224165 Temperature limited heater utilizing non-ferromagnetic conductor
07/17/2012US8224164 Insulated conductor temperature limited heaters
07/17/2012US8224163 Variable frequency temperature limited heaters
07/17/2012US8220545 Heating and cooling electrical components in a downhole operation
07/17/2012US8220539 Controlling hydrogen pressure in self-regulating nuclear reactors used to treat a subsurface formation
07/17/2012CA2620092C Method and apparatus for heating drilling and/or completion fluids entering or leaving a well bore during oil and gas exploration and production
07/17/2012CA2563525C Inhibiting effects of sloughing in wellbores
07/11/2012CN202325411U 井口电磁超导换热器 Wellhead superconducting electromagnetic heat exchanger
07/11/2012CN202325410U 冷输井口电热保温保护装置 Cold lose wellhead protection electric insulation
07/11/2012CN202325409U 油井用便携式防爆电热解冻装置 Well portable explosion-proof electric defrosting device
07/11/2012CN202325345U 井口防盗装置 Wellhead anti-theft device
07/11/2012CN202325272U 一种新型真空双空心抽油杆 A new vacuum double hollow rod
07/11/2012CN102575514A Steam distribution apparatus and method for enhanced oil recovery of viscous oil
07/05/2012WO2011110957A3 Logging system and methodology
07/04/2012CN202300322U 利用油井自身液量循环加热的超导清蜡装置 Well superconducting device itself wax heated circulating fluid volume
07/04/2012CN202300320U 封闭式热辐射油管隔热管清洗装置 Enclosed heat radiation pipe insulation tube cleaning device
07/04/2012CN202300319U 稠油开采用空心抽油杆电加热体 Heavy open hollow body electric heating rod
07/04/2012CN102536166A Method for deep treatment of oil layer through self-generation foam acidification
07/04/2012CN102536165A Method and device for removing water lock damage of low-permeability densified sandstone air layer
07/04/2012CN102536164A Ultrahigh-temperature well completion technology
07/03/2012US8210256 Radio frequency technology heater for unconventional resources
06/2012
06/28/2012WO2012087349A2 Zero emission steam generation process
06/27/2012CN101918761B A flameless combustion heater
06/27/2012CN101260790B Wellhead heat insulation and heating equipment for well workover
06/26/2012US8205674 Apparatus, system, and method for in-situ extraction of hydrocarbons
06/26/2012CA2563589C Inhibiting reflux in a heated well of an in situ conversion system
06/21/2012WO2012080808A1 Downhole tool thermal device
06/21/2012US20120152545 Downhole tool thermal device
06/21/2012US20120152531 MULTISTAGE SEPARATOR VESSEL FOR CAPTURING LPGs
06/21/2012US20120152517 Clean solar energy to enhance oil and gas location separator recovery
06/20/2012EP2464818A2 Thermal vapor stream apparatus and method
06/20/2012CN202280448U 一种风量导向型工矿热风加热装置 A wind-driven mining the amount of hot air heating device
06/20/2012CN101316982B Cogeneration systems and processes for treating hydrocarbon containing formations
06/20/2012CN101163856B Grouped exposing metal heater
06/20/2012CN101163854B Temperature limited heater using non-ferromagnetic conductor
06/14/2012WO2012033712A3 Apparatus and method for heating of hydrocarbon deposits by rf driven coaxial sleeve
06/13/2012CN202273651U 井控设备低电压保温加热装置 Well control equipment low voltage insulation heating device
06/13/2012CN102493786A Mechanical thermal cleaning method for pipe poles in oilfield wellhead sites
06/12/2012US8200072 Temperature limited heaters for heating subsurface formations or wellbores
06/12/2012US8196658 Irregular spacing of heat sources for treating hydrocarbon containing formations
05/2012
05/30/2012EP2156014B1 Subsea cooler
05/30/2012CN202250139U Return air heat exchanger of high-speed mine
05/30/2012CN202249956U Moving steam de-waxing device
05/30/2012CN202249953U Heating device for oil-field oil extraction
05/30/2012CN202249952U Fire-resistant hot air heating device for mine
05/30/2012CN202249951U Oil heating device
05/30/2012CN1946917B Method for processing underground rock stratum
05/30/2012CN102477860A 一种高压油汽井地面测试改进工艺 A high-pressure oil and gas wells ground test process improvements
05/30/2012CN101709636B Microwave heating system for lowering viscosity of produced liquid in oil well
05/29/2012US8186436 Thermal insulating packer fluid
05/24/2012WO2012068404A2 Method for active cooling of downhole tools using the vapor compression cycle
05/24/2012US20120125614 Method for active cooling of downhole tools using the vapor compression cycle
05/24/2012US20120125613 Method and Apparatus for Underground Oil Extraction
05/24/2012US20120124934 Arctic Platform
05/23/2012EP2454447A2 Subsea cooler
05/23/2012EP2454034A1 Method for manufacturing rigid tubular pipes having double casing, and facility dedicated to manufacture of said pipes
05/23/2012CN202228037U Watering-type wellhead controller
05/23/2012CN101893348B Heating and cooling system using swallet waste heat by industrial and mining enterprises
05/22/2012CA2668387C In situ recovery from a tar sands formation
05/22/2012CA2668385C In situ recovery from a tar sands formation
05/22/2012CA2524689C Thermal processes for subsurface formations
05/16/2012CN102454386A Subsurface heating device
05/16/2012CN102454385A Application of tire oil to paraffin removal vehicle for oil well
05/15/2012US8176983 Gas recovery component heating system
05/15/2012US8176971 Earth heat transfer loop apparatus
05/09/2012CN202215209U Energy-saving pumping unit-free device having functions of long-distance oil collecting, well washing, water delivering and irrigating
05/09/2012CN202215208U Energy-saving, oil-extracting and dewaxing device
05/09/2012CN202215204U Cleaning machine for inner wall of oil pipe
05/09/2012CN102449260A Heat transport dead leg
05/08/2012CA2643285C Method for producing viscous hydrocarbon using steam and carbon dioxide
05/03/2012US20120103604 Subsurface heating device
05/02/2012CN102434134A Method for exploiting high viscous and congealable crude oil with water-jet cutting technology
05/01/2012US8167041 Apparatus and method for energy-efficient and environmentally-friendly recovery of bitumen
05/01/2012CA2641596C Managed pressure and/or temperature drilling system and method
04/2012
04/25/2012CN202204034U 油田污水低温热能回收系统 Oilfield Sewage low-temperature heat recovery system
04/25/2012CN202202842U 采油树保温装置 Christmas tree holding device
04/25/2012CN102428252A 用于从页岩原位提取油的方法和系统 Method and system for extracting the oil from the shale in-situ
04/25/2012CN102428250A 海底冷却器 Seabed cooler
04/25/2012CN102428249A 具有海底冷却器的海底系统及用于清洁海底冷却器的方法 With a subsea coolers subsea systems and methods for cleaning subsea coolers
04/19/2012WO2012051338A1 Systems and methods for installing geothermal energy transfer loops
04/19/2012WO2012050699A2 Control system for extraction of hydrocarbons from underground deposits
04/19/2012WO2012049007A1 Device and method for using the device for "in situ" extraction of bitumen or heavy oil from oil sand deposits
04/19/2012US20120090844 Simultaneous conversion and recovery of bitumen using rf
04/19/2012CA2812479A1 Device and method for using the device for "in situ" extraction of bitumen or ultraheavy oil from oil sand deposits
04/19/2012CA2811522A1 Control system for extraction of hydrocarbons from underground deposits
04/18/2012CN102418476A 深层煤炭和煤层气联合开采技术 Deep coal mining technology and coal seam gas joint
04/12/2012WO2012048196A1 Methods of heating a subsurface formation using electrically conductive particles
04/12/2012WO2012048191A1 Methods for joining insulated conductors
04/12/2012US20120085535 Methods of heating a subsurface formation using electrically conductive particles
04/12/2012US20120085533 Cyclic steam stimulation using rf
04/12/2012CA2813044A1 Methods for joining insulated conductors
04/12/2012CA2811795A1 Methods of heating a subsurface formation using electrically conductive particles
04/11/2012CN202187750U 一种预置式井下节流器 One kind Preset downhole choke
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