| Patents for E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262) |
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| 03/01/2011 | CA2462957C In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment |
| 02/24/2011 | WO2010129262A3 Thermal component temperature management system and method |
| 02/23/2011 | CN201751532U Oil layer ignition electric heater |
| 02/22/2011 | US7891427 System and method for management of steam flooding for oil wells |
| 02/22/2011 | US7891421 Method and apparatus for in-situ radiofrequency heating |
| 02/22/2011 | US7891416 Apparatus for treating fluid streams cross-reference to related applications |
| 02/22/2011 | CA2463103C Seismic monitoring of in situ conversion in a hydrocarbon containing formation |
| 02/17/2011 | WO2011019791A2 Thermal vapor stream apparatus and method |
| 02/17/2011 | WO2011018036A1 Pressure reducing system for fuel gas and natural gas dewaxing vehicle |
| 02/17/2011 | US20110036575 Producing resources using heated fluid injection |
| 02/17/2011 | CA2768860A1 Thermal vapor stream apparatus and method |
| 02/16/2011 | EP2164919B1 Use of a fluid composition with delayed cross-linking for holding a casing inside a drill hole, and method for reinforcing a drill hole |
| 02/15/2011 | US7888294 A temperature of the flow of hydration fluid may be elevated by transferring energy from the gel mixture flow to the hydration fluid flow, and a flow of hydratable material may be combined with the flow of hydration fluid to form a gel mixture; heat exchanging; cost efficiency; fracturing; wells |
| 02/09/2011 | CN101971479A Heat tracing apparatus with heat-driven pumping system |
| 02/03/2011 | WO2011014521A1 Subsurface well completion system having a heat exchanger |
| 02/03/2011 | US20110024120 Method of servicing high temperature wells |
| 02/03/2011 | US20110024102 Completion system for subsurface equipment |
| 01/29/2011 | CA2710246A1 Method of servicing high temperature wells |
| 01/27/2011 | US20110017454 Method and apparatus of heat dissipaters for electronic components in downhole tools |
| 01/27/2011 | US20110017449 System and method for enhanced oil recovery with a once-through steam generator |
| 01/26/2011 | CN101048571B Subterranean electro-thermal heating system and method |
| 01/25/2011 | US7874350 Reducing the energy requirements for the production of heavy oil |
| 01/20/2011 | WO2011009022A2 Method and apparatus of heat dissipaters for electronic components in downhole tools |
| 01/20/2011 | WO2011008101A2 Subsea cooler |
| 01/20/2011 | WO2010137989A3 "heat transport dead leg" |
| 01/19/2011 | CN201714341U High efficiency hot washing anti-pollution pipe string |
| 01/19/2011 | CN201714340U Mobile heating device |
| 01/18/2011 | US7870905 Controlling the pressure within an annular volume of a wellbore |
| 01/18/2011 | US7870904 Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| 01/13/2011 | US20110005757 Device and method for flowing back wellbore fluids |
| 01/13/2011 | US20110005749 Water processing systems and methods |
| 01/12/2011 | EP2271735A2 Improved aqueous-based insulating fluids and related methods |
| 01/12/2011 | CN201705435U Drilling diesel engine exhaust and radiator waste heat utilizing device |
| 01/12/2011 | CN201705300U Paraffin removal well-flushing car |
| 01/12/2011 | CN201705297U Portable wellhead cleaning device of direct-current power oil water well |
| 01/12/2011 | CN201705296U Well head heating and underground cooling system of coal mine |
| 01/12/2011 | CN201705295U Insulating sleeve for christmas tree of gas well |
| 01/12/2011 | CN201705294U Pipe type heating furnace |
| 01/12/2011 | CN201705291U Hot washing wax cleaning underground check valve of hollow sucker rod |
| 01/11/2011 | US7866389 separating air into nitrogen-rich and oxygen-rich gases, oxidizing hydrocarbon fuel with oxygen-rich gas to produce steam and a CO2-rich gas, injecting steam through injection well into reservoir to heat hydrocarbons, purging injection well with nitrogen-rich gas, injecting CO2-rich gas into reservoir |
| 01/11/2011 | US7866388 High temperature methods for forming oxidizer fuel |
| 01/11/2011 | US7866385 Power systems utilizing the heat of produced formation fluid |
| 01/05/2011 | CN201695999U Wellhead temperature-control electricity-saving device |
| 01/05/2011 | CN201695998U Heat tracing device of solar energy liquid indicator of oil-field margin well block |
| 01/05/2011 | CN201695997U Glass fiber reinforced plastic (GFRP) well head combination and antitheft insulation apparatus |
| 01/05/2011 | CN201695996U 油井加热炉自动点火装置 Oil furnace automatic ignition device |
| 01/05/2011 | CN101939504A Optimization of untreated oil shale geometry to control subsidence |
| 01/04/2011 | US7863223 have yield power law characteristics such that they are not prone to movement once emplaced in annulus; minimization of movements in fluids reduces convective heat loss to a minimum; includes hydrocarbon fluid, gelling agent, rheological additive; gelling agent comprises phosphoric, phosphonic acid ester |
| 01/04/2011 | US7861770 System for cyclic injection and production from a well |
| 12/30/2010 | US20100329795 Arctic platform |
| 12/29/2010 | EP2265798A2 Method for treating a hydrocarbon containing formation |
| 12/29/2010 | EP2265795A2 Methods of treating a hydrocarbon containing formation |
| 12/29/2010 | CN201687406U Sleeve gas discharging pipeline of head of oil well |
| 12/29/2010 | CN1957158B Temperature limited heaters used to heat subsurface formations |
| 12/22/2010 | CN201679481U Steam hot washing device |
| 12/22/2010 | CN201679480U Oil pipe hot cleaning device |
| 12/22/2010 | CN201679479U Wellhead heater taking heat pump as heat source |
| 12/22/2010 | CN201679478U Energy-saving anti-freezing system for coal mine pitheads |
| 12/21/2010 | CA2609760C Method of using thermal insulation fluid containing hollow microspheres |
| 12/15/2010 | CN1934331B Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 12/14/2010 | CA2463104C In situ production of a blending agent from a hydrocarbon containing formation |
| 12/09/2010 | WO2010093938A3 Methods for controlling temperatures in the environments of gas and oil wells |
| 12/08/2010 | CN1930920B Extracting and processing hydrocarbon-bearing formations |
| 12/07/2010 | US7845414 placing a catalyst comprising a transition metal or alloy (e.g. Mo, Ni, Co, Fe, Pd, W or alloy) into the formation, injecting a stimulation gas ( He, N2, CO2, Ar) with less than 1 ppm O2 ('anoxic') into the formation, collecting the natural gas generated in the formation from bitumen; disproportionation |
| 12/07/2010 | US7845411 In situ heat treatment process utilizing a closed loop heating system |
| 12/02/2010 | WO2010137989A2 "heat transport dead leg" |
| 12/02/2010 | US20100300751 Motor cooling radiators for use in downhole environments |
| 12/02/2010 | US20100300691 Permeability flow balancing within integral screen joints and method |
| 12/02/2010 | US20100300676 Permeability flow balancing within integral screen joints |
| 12/02/2010 | US20100300675 Permeability flow balancing within integral screen joints |
| 12/02/2010 | US20100300674 Permeability flow balancing within integral screen joints |
| 11/30/2010 | US7841395 Electric submersible pump (ESP) with recirculation capability |
| 11/30/2010 | CA2463110C In situ recovery from a hydrocarbon containing formation using barriers |
| 11/30/2010 | CA2462794C Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening |
| 11/25/2010 | US20100294493 Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation |
| 11/25/2010 | US20100294489 In-situ upgrading of heavy crude oil in a production well using radio frequency or microwave radiation and a catalyst |
| 11/25/2010 | US20100294488 Accelerating the start-up phase for a steam assisted gravity drainage operation using radio frequency or microwave radiation |
| 11/24/2010 | CN201650220U Soaking and hot washing device of oil pumping rod |
| 11/24/2010 | CN201650219U Christmas tree cleaning device |
| 11/24/2010 | CN201650217U Energy-saving reverse burning trunk furnace |
| 11/24/2010 | CN201650216U Multipurpose paraffin removing heater for back-burning oil field |
| 11/24/2010 | CN201650215U Thick oil well inner circulation heater |
| 11/24/2010 | CN201650214U Solar heating furnace system used in oil field |
| 11/24/2010 | CN201650178U Microwave hydrate dredging apparatus for gas wells |
| 11/24/2010 | CN101893348A Heating and cooling system using swallet waste heat by industrial and mining enterprises |
| 11/24/2010 | CN101892826A Gas and electric heating assisted gravity oil drainage technology |
| 11/18/2010 | WO2010132704A2 In situ method and system for extraction of oil from shale |
| 11/18/2010 | CA2760967A1 In situ method and system for extraction of oil from shale |
| 11/17/2010 | CN1865654B Lower-pipe type permanent-magnet vortex heating device for oil well |
| 11/16/2010 | US7832484 Molten salt as a heat transfer fluid for heating a subsurface formation |
| 11/13/2010 | CA2665921A1 Method and apparatus for sealing abandoned oil and gas wells |
| 11/11/2010 | WO2010129262A2 Thermal component temperature management system and method |
| 11/11/2010 | WO2009129449A3 Methods of treating a hydrocarbon containing formation |
| 11/11/2010 | WO2009129445A3 Method for treating a hydrocarbon containing formation |
| 11/10/2010 | CN101881144A Heating body for viscosity breakback of oil production well fluid |
| 11/09/2010 | US7828057 Microwave process for intrinsic permeability enhancement and hydrocarbon extraction from subsurface deposits |
| 11/04/2010 | WO2009129442A3 Method for recovery of hydrocarbons from a subsurface hydrocarbon containing formation |
| 11/03/2010 | EP2246523A1 A cooling apparatus of a downhole tool |
| 11/03/2010 | CN201620821U Oil well electric heating heat-preservation oil nozzle sleeve |
| 11/03/2010 | CN201619823U Thermal insulation thick oil tank |