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)
06/2014
06/18/2014CN203655260U 冬季油田撬装注入液电磁加热节能环保装置 Winter oilfield skid inject liquid electromagnetic heating energy saving device
06/18/2014CN103867162A Thermal production well annulus thermal insulation system and method
06/12/2014WO2014089037A2 Hydrocarbon resource recovery system including different hydrocarbon resource recovery capacities and related methods
06/12/2014WO2014089034A2 Hydrocarbon resource recovery system including rf transmission line extending alongside a well pipe in a wellbore and related methods
06/12/2014WO2014086594A1 Arrangement and method for introducing heat into a geological formation by means of electromagnetic induction
06/12/2014US20140158429 Cooling System and Method for A Downhole Tool
06/11/2014EP2740894A1 Assembly and method for inserting heat into a geological formation by electromagnetic induction
06/11/2014CN203642478U 油田污水余热回收热泵与水套炉联合的原油加热装置 Crude oil sewage heat recovery heat pump heating furnace combined with water jacket
06/11/2014CN203640691U 可再生能源发电用于稠油开采及输油管道的电加热装置 Electric heating device for renewable energy generation and heavy oil pipeline
06/11/2014CN203640690U 钻井系统冷却装置 Drilling system cooling device
06/11/2014CN203640689U 智能型多功能油水井井口解冻堵装置 Intelligent Multifunctional oil wells, wellhead thaw blocking device
06/11/2014CN203640686U 高含硫化氢天然气涡流管节流阀压缩膨胀分离加热系统 High H2S gas compression throttle expansion separation vortex tube heating system
06/10/2014US8746336 Method and system for recovering oil and generating steam from produced water
06/10/2014CA2673854C Subterranean electro-thermal heating system and method
06/10/2014CA2626969C Temperature limited heater with a conduit substantially electrically isolated from the formation
06/04/2014EP2737271A1 Gas heater/cooler apparatuses and methods
06/04/2014EP2737248A1 Steam generation
06/04/2014CN203626737U 油田联合站热媒加热装置换热器倒罐装置 Oilfield joint station HTM heating heat pouring device
06/04/2014CN102428249B Subsea system with subsea cooler and method for cleaning the subsea cooler
06/04/2014CN102261230B Controlling the pressure within an annular volume of a wellbore
06/03/2014US8739874 Methods for heating with slots in hydrocarbon formations
06/03/2014CA2703623C Optimization of untreated oil shale geometry to control subsidence
05/2014
05/30/2014WO2013181229A3 Enhanced oil recovery by in-situ steam generation
05/29/2014US20140144647 Subterranean channel for transporting a hydrocarbon for prevention of hydrates and provision of a relief well
05/28/2014CN203614084U 稠油开采用采油管柱 Heavy use of the production string open
05/22/2014WO2014075832A1 Induction apparatus for heating an oil reservoir, in particular a heavy-oil reservoir
05/22/2014US20140138094 System and Method for Cooling a Rotating Control Device.
05/22/2014US20140138093 Subsea cooling system
05/21/2014EP2734009A1 Induction device for the heating of an oil reservoir, in particular a heavy oil reservoir
05/21/2014CN203603871U 一种油气节流保温分离计量一体化设备 One kind of insulation separating oil and gas metering orifice integration equipment
05/20/2014US8727035 System and method for managing temperature in a wellbore
05/20/2014US8726999 Thermothickener polymer and surfactant composition and methods of employing the composition
05/20/2014US8726998 BOP heating methods and systems and heat exchange units
05/20/2014US8726997 Method of cooling a downhole tool and a downhole tool
05/15/2014WO2014047469A3 Downhole wellbore heating system and method
05/15/2014US20140131032 Method for producing hydrocarbon resources with rf and conductive heating and related apparatuses
05/15/2014US20140131028 Reservoir Tube Heater
05/15/2014DE102012220885A1 Device for freezing soil during formation of e.g. ducts in wall in civil engineering field, has press fitting completely surrounding tube ends of tube element, and sealing element provided between press fitting and tube ends
05/14/2014CN203594412U 一种气井专用数控电加热清蜡装置 One kind of gas for CNC electric heating wax device
05/14/2014CN203594411U 一种油气田复合加热装置 One kind of heating oil and gas complex
05/14/2014CN103790552A 一种用于油气开采过程中高温解除水锁的方法 An oil and gas production during the high-temperature method for releasing water lock
05/13/2014US8720560 Apparatus and method for cementing a borehole
05/13/2014US8720549 Process for enhanced production of heavy oil using microwaves
05/13/2014US8720547 Process for enhanced production of heavy oil using microwaves
05/13/2014CA2827060C Logging system and methodology
05/08/2014WO2014070554A1 Apparatus and methods for cooling downhole devices
05/08/2014WO2013052561A3 Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
05/08/2014US20140124162 Mobile Heat Dispersion Apparatus and Process
05/07/2014CN203586257U 蒸汽清蜡车锅炉燃烧系统 Car wax steam boiler combustion system
05/07/2014CN203584368U 海洋电泵井用清蜡降稠装置 Marine pump wells with wax down thick device
05/07/2014CN103781990A 利用地下工具中被感应加热的嵌入颗粒的膨胀加速 Expansion of the underground using the induction heating tool is embedded in the particle acceleration
05/07/2014CN103775026A 天然气气井自发电伴热装置 Natural gas self-generating heating device
05/05/2014CA2794239A1 Mobile heat dispersion apparatus and process
05/01/2014US20140116071 Apparatus and Methods for Cooling Downhole Devices
04/2014
04/30/2014CN203570267U Scale-removing and paraffin-proofing device used under oil well
04/30/2014CN203570266U Steam injection well christmas tree heat preservation device
04/29/2014US8708048 Gas recovery component heating system
04/29/2014US8708047 Method of cooling downhole element using nanoenhanced downhole fluid
04/29/2014US8708046 Closed loop energy production from geothermal reservoirs
04/22/2014US8701768 Methods for treating hydrocarbon formations
04/22/2014US8701760 Electromagnetic heat treatment providing enhanced oil recovery
04/16/2014CN203547665U Paraffin removal gun head for sucker rod
04/16/2014CN203547663U Single-well electric heating device
04/16/2014CN103726819A Method of low-temperature gas-assisted coalbed methane fracturing technology
04/16/2014CN103726807A Petroleum and gas extraction well opening heating equipment
04/16/2014CN103726806A Mining area vertical shaft cold prevention and thermal insulation method
04/15/2014US8699227 Well logging tool
04/15/2014US8695702 Diaxial power transmission line for continuous dipole antenna
04/15/2014CA2606218C In situ conversion process systems utilizing wellbores in at least two regions of a formation
04/09/2014EP2715047A1 Improved safety system for dangerous substances
04/09/2014CN203533890U Anti-plugging water jacket furnace head
04/09/2014CN103717968A Steam generation
04/09/2014CN103717831A Apparatus and methods for recovery of hydrocarbons
04/08/2014CA2558424C Extracting and processing hydrocarbon-bearing formations
04/04/2014CA2829268A1 Enhanced hydrocarbon recovery from multiple wells by steam injection of oil sand formations
04/04/2014CA2829033A1 Enhanced hydrocarbon recovery from a single well by electrical resistive heating of multiple inclusions in an oil sand formation
04/04/2014CA2829031A1 Enhanced hydrocarbon recovery from a single well by electrical resistive heating of a single inclusion in an oil sand formations
04/04/2014CA2829009A1 Enhanced hydrocarbon recovery from a single well by electrical resistive heating of a single inclusion in an oil sand formations
04/03/2014WO2014049024A2 Subsea heat exchanger
04/03/2014WO2014049021A1 Method for the recovery of natural gas and natural gas condensate from subterranean gas condensate reservoirs and flowable compositions (fz) for use in said method
04/02/2014CN203517881U Automatic ignition device of water jacket furnace on oil well pipeline
04/02/2014CN203515482U Production wellhead sampling valve thawing device
04/02/2014CN203515481U Automatic control device for electric heating of hollow rod
04/02/2014CN203515480U Winter auxiliary heating device for penetrating rubber cores of double-rubber-core swivel head
04/02/2014CN203515479U Well site crude oil heating device and system
04/01/2014US8684072 Downhole gas generator
04/01/2014CA2746617C Communicating fluids with a heated-fluid generation system
03/2014
03/27/2014WO2013106388A3 Rf applicator having a bendable tubular dielectric coupler and related methods
03/26/2014CN203499638U Heat circulation oil extraction device
03/26/2014CN101636554B Improved method of developing subsurface freeze zone by formation fracturing
03/25/2014US8678100 Method of deploying nanoenhanced downhole article
03/25/2014US8678081 Combination anvil and coupler for bridge and fracture plugs
03/20/2014US20140076556 Effective solvent extraction system incorporating electromagnetic heating
03/20/2014US20140076545 Downhole Heater Assembly and Power Line Communications System
03/18/2014US8672024 Subsurface well completion system having a heat exchanger
03/18/2014CA2700947C Method and apparatus for freeze-thaw well stimulation using orificed refrigeration tubing
03/18/2014CA2664321C Combined development of oil shale by in situ heating with a deeper hydrocarbon resource
03/12/2014CN103628840A Electromagnetic anti-wax device
03/12/2014CN101460700B Packer sealing element with shape memory material
03/11/2014CA2605720C Double barrier system for an in situ conversion process
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