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)
11/2010
11/03/2010CN1946918B Inhibiting effects of sloughing in wellbores
11/02/2010US7823643 Insulation shroud with internal support structure
10/2010
10/28/2010US20100270032 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/27/2010CN101372886B Environment-protective and efficient heating stove system for oilfield
10/26/2010US7819205 Apparatus for the cooling of drilling liquids
10/26/2010CA2406804C A method for sequestering a fluid within a hydrocarbon containing formation
10/23/2010CA2700027A1 System, method and apparatus for thermal wellhead having high power cable for in-situ upgrading processing
10/21/2010WO2010120184A1 Subsea wellhead assembly
10/21/2010WO2009129451A3 Method for treating a hydrocarbon containing formation
10/21/2010US20100263869 Method and apparatus for stimulating production from oil and gas wells by freeze-thaw cycling
10/20/2010CN201610743U 地面液体点滴加药装置 Ground liquid drip dosing device
10/20/2010CN201610741U 一种抽油杆井筒内清蜡装置 One kind of sucker rod wax device within the wellbore
10/20/2010CN201610740U 油田采气树或采油树玻璃钢保温装置 Oilfield Gas tree or Christmas tree fiberglass insulation device
10/20/2010CN201610739U 油田注水井口玻璃钢电加热保温箱 Oilfield water injection wellhead fiberglass electrically heated incubator
10/20/2010CN101864926A Equipment and process for heating output crude oil by using oil field produced water heat pump
10/19/2010US7814974 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
10/19/2010CA2407125C Method for the production of hydrocarbons and synthesis gas from a hydrocarbon-containing formation
10/17/2010CA2700947A1 Method and apparatus for freeze-thaw well stimulation using orificed refrigeration tubing
10/14/2010WO2010118315A1 Treatment methodologies for subsurface hydrocarbon containing formations
10/14/2010WO2010083095A3 Cold flow center and centers
10/14/2010US20100258317 Apparatus and methods for the recovery of hydrocarbonaceous and additional products from oil shale and oil sands
10/14/2010US20100258316 Apparatus and methods for adjusting operational parameters to recover hydrocarbonaceous and additional products from oil shale and sands
10/14/2010US20100258315 Apparatus and methods for the recovery of hydrocarbonaceous and additional products from oil/ tar sands
10/14/2010US20100258308 Water Integration Between An In-Situ Recovery Operation And A Bitumen Mining Operation
10/14/2010CA2758192A1 Treatment methodologies for subsurface hydrocarbon containing formations
10/13/2010CN201606048U 电磁感应热注生物核酸酶驱油装置 Note biological electromagnetic induction heating device nuclease Flooding
10/13/2010CN101858205A Device for removing paraffin and washing well by gas heat carrier
10/12/2010CA2407232C Electrical well heating system and method
10/07/2010US20100252249 Device for in situ extraction of a substance comprising hydrocarbons
10/06/2010CN1575374B Seismic monitoring of in situ conversion in a hydrocarbon containing formation
10/05/2010US7806173 Apparatus and methods to dissipate heat in a downhole tool
10/05/2010CA2406628C A method for treating a hydrocarbon containing formation
09/2010
09/30/2010US20100243245 Process and apparatus for release and recovery of methane from methane hydrates
09/30/2010US20100243201 Earth heat transfer loop apparatus
09/29/2010EP2232694A1 Heat tracing apparaturs including a thermoelectric generator
09/29/2010CN201593404U Energy-saving heating device for biomass fuel in thermal recovery wells
09/29/2010CN101845945A Well head heater taking heat pump as heat source
09/23/2010US20100236773 Thermoelectric driven gas well heat pump
09/21/2010US7798221 In situ recovery from a hydrocarbon containing formation
09/21/2010CA2406742C A method for treating a hydrocarbon containing formation
09/16/2010US20100233375 Methods of Using Water-Superabsorbent Polymers to Reduce Heat Transfer
09/16/2010US20100230104 Method for completing a borehole
09/16/2010US20100230097 Hydrocarbon production process
09/15/2010CN201582981U Skid-mounted water jacket heating furnace device
09/15/2010CN201581864U Well cleaning pressure device
09/10/2010WO2010057017A4 Downhole thermal component temperature management system and method
09/09/2010US20100224370 Method of heating hydrocarbons
09/09/2010US20100224369 Method for recovering energy in-situ from underground resources and upgrading such energy resources above ground
09/08/2010EP2226131A2 Method of cleaning an industrial tank using electrical energy and critical fluid
09/08/2010CN201574742U Special novel water jacket furnace for oilfield
09/08/2010CN201574729U Paraffin-removal rod of electric heating oil pipe
09/08/2010CN201574728U Detachable and easy-to-install thermal-insulation heater of well-head shutter blowout preventer
09/08/2010CN201574727U Anti-prevention device for hot wash of oil wells
09/08/2010CN101828087A Method and apparatus for cooling a gaseous hydrocarbon stream
09/08/2010CN101827999A Irregular spacing of heat sources for treating hydrocarbon containing formations
09/07/2010CA2407228C A method for treating a hydrocarbon containing formation
09/02/2010US20100218953 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole and method for reinforcing a drill hole
09/02/2010US20100218940 In situ loop antenna arrays for subsurface hydrocarbon heating
09/01/2010CN201568968U Low-pressure natural gas energy-saving nozzle of water jacket furnace
08/2010
08/31/2010US7785427 Chromium, nickel, copper; niobium, iron manganese, nitrogen; nanonitrides; system for heating a subterranean formation;
08/31/2010US7784533 Downhole combustion unit and process for TECF injection into carbonaceous permeable zones
08/25/2010CN201560743U Thick oil paraffin removal device of electric heating rod
08/19/2010WO2010093938A2 Methods for controlling temperatures in the environments of gas and oil wells
08/19/2010US20100206573 Method and apparatus for cooling a gaseous hydrocarbon stream
08/19/2010US20100206569 Thermothickener polymer and surfactant composition and methods of employing the composition
08/18/2010CN201554445U Device for heat-cleaning wax-removing and output calibration of oil well
08/18/2010CN201554429U Temperature-control electric heating paraffin cleaner for oil pipe
08/18/2010CN201554428U Movable hot-washing device for oil well
08/18/2010CN201554426U Pollution-free well-washing device
08/17/2010US7775281 Method and apparatus for stimulating production from oil and gas wells by freeze-thaw cycling
08/12/2010US20100200231 Method and System for Recovering Oil and Generating Steam from Produced Water
08/12/2010US20100200223 Method for heating a hydrocarbons reservoir
08/11/2010CN201546841U Gas depressurizing system and natural gas paraffin vehicle
08/11/2010CN201546678U Movable high frequency electromagnetic induction hot washing well device
08/11/2010CN201546677U Heating type high-pressure displacing rock core oil-cleaned instrument
08/11/2010CN201546676U Wellhead area antiicer
08/10/2010US7770646 System, method and apparatus for hydrogen-oxygen burner in downhole steam generator
08/10/2010US7770645 Method and apparatus for downhole thermoelectric power generation
08/05/2010WO2010068898A3 System and method for downhole cooling of components utilizing endothermic decomposition
08/04/2010CN201539243U Waterproof armored electric heater in heavy oil wells
08/04/2010CN201539231U Heating system preventing wax deposition of oil production well tubes
08/04/2010CN101796262A Detecting acoustic signals from a well system
07/2010
07/29/2010WO2010057017A3 Downhole thermal component temperature management system and method
07/28/2010CN201535150U 一种降低油井产出液粘度的微波加热系统 A method for reducing the viscosity of the oil produced fluid microwave heating system
07/28/2010CN101787867A Drilling mud forced cooling and circulating system
07/28/2010CN101787862A Blockage removal method and device for microwave hydrate for gas well
07/27/2010US7762332 Method of using water-superabsorbent polymer in production tubing and pipes
07/22/2010WO2010083095A2 Cold flow center and centers
07/22/2010WO2010081239A1 Apparatus and method for downhole steam generation and enhanced oil recovery
07/22/2010US20100181066 Thermal processes for subsurface formations
07/22/2010US20100181065 Fluid Loss Additive and Breaking Agent
07/21/2010CN201531260U Well shaft double-hollow sucker rod closed-cycle heating device
07/21/2010CN201531217U Heat transfer oil electromagnetic heating sucker rod
07/15/2010US20100175881 Using A Biphasic Solution As A Recyclable Coiled Tubing Cleanout Fluid
07/15/2010US20100175867 Well Tools Incorporating Valves Operable by Low Electrical Power Input
07/14/2010CN201526277U Hot-wash oil-pumping pipe string of heavy oil well
07/14/2010CN101775967A Energy-saving anti-freezing system for coal mine well port
07/13/2010US7753122 Method of developing and producing deep geothermal reservoirs
07/08/2010WO2009094410A3 Formation tester with low flowline volume
07/07/2010CN101769141A Localization hot washing device
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