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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03/11/2010 | WO2010009110A3 System and method for sub-cooling hydrocarbon production fluid for transport |
03/10/2010 | CN201420537Y Thermal washing paraffin removal device for oil wells |
03/04/2010 | US20100051279 Method of prevention of hydrates |
03/03/2010 | CN201416417Y Electrical-heating paraffin removing device for stockless oil well |
03/03/2010 | CN201416415Y Energy-saving and scale preventing device for oil field heating furnace |
03/03/2010 | CN101660397A Gas generator for oil thermal production |
03/02/2010 | US7669659 System for preventing hydrate formation in chemical injection piping for subsea hydrocarbon production |
03/02/2010 | CA2449302C Hydrothermal drilling method and system |
02/25/2010 | US20100044046 Downhole mechanisms |
02/24/2010 | EP2156014A2 Subsea cooler |
02/24/2010 | CN201412120Y Solar power warming system for oil field wellhead |
02/23/2010 | US7665525 Reducing the energy requirements for the production of heavy oil |
02/23/2010 | US7665524 Liquid metal heat exchanger for efficient heating of soils and geologic formations |
02/23/2010 | CA2445455C Electrical well heating system and method |
02/21/2010 | CA2675341A1 Downhole mechanisms |
02/11/2010 | US20100032161 Heat dissipater for electronic components in downhole tools and methods for using the same |
02/04/2010 | WO2010014243A2 Downhole tool with thin film thermoelectric cooling |
02/04/2010 | US20100025048 U-Shaped fiber optical cable assembly for use in a heated well and methods for in-stalling and using the assembly |
02/03/2010 | CN101641493A Inline downhole heater |
01/27/2010 | CN201391280Y Superconductive heat washing paraffin removal device |
01/27/2010 | CN201391279Y Thermal insulation device for drilling equipment |
01/27/2010 | CN201391278Y Dual heating frozen blocking prevention oil storage device of oil well |
01/27/2010 | CN101636554A Improved method of developing subsurface freeze zone |
01/27/2010 | CN101634219A Electromagnetic heating device for oil well |
01/21/2010 | WO2010009110A2 System and method for sub-cooling hydrocarbon production fluid for transport |
01/20/2010 | CN201386542Y Wax and stain removal device of oil pumping pipe |
01/20/2010 | CN201386541Y Wax removal and well cleanout device for gas heat carrier |
01/20/2010 | CN201386540Y Gas generator for wax removal and well cleanout of oilwell |
01/19/2010 | US7647979 Downhole electrical power generation based on thermo-tunneling of electrons |
01/19/2010 | US7647972 Fracturing fluid is injected into well to form fracture at depth of subsurface formation, providing fluid communication between first and second depths in well; cooling fluid is circulated under pressure through well into fracture to cause fluid to flow into subsurface formations, lowering temperature |
01/19/2010 | US7647971 Method of developing subsurface freeze zone |
01/14/2010 | WO2010003788A1 A polyisocyanurate-based syntactic coating for offshore applications |
01/14/2010 | WO2008131212A3 Systems, methods, and processes for use in treating subsurface formations |
01/14/2010 | US20100008732 Arctic Platform |
01/14/2010 | US20100006291 Method of cooling a multiphase well effluent stream |
01/14/2010 | CA2726049A1 A polyisocyanurate-based syntactic coating for offshore applications |
01/13/2010 | CN201381829Y Heating device for paraffin removal of pumping well |
01/07/2010 | US20100003086 Arctic Platform |
01/07/2010 | US20100003084 Arctic Platform |
01/06/2010 | CN100578118C Oil field produced water heat pump technique |
01/05/2010 | US7640980 Thermal processes for subsurface formations |
01/05/2010 | US7640965 Creating a well abandonment plug |
12/31/2009 | US20090321075 Parallel heater system for subsurface formations |
12/31/2009 | US20090321071 Controlling and assessing pressure conditions during treatment of tar sands formations |
12/24/2009 | US20090314488 Electrically and/or Magnetically Active Coated Fibres for Wellbore Operations |
12/24/2009 | US20090314487 Processing hydrocarbons |
12/23/2009 | CN201367883Y Individual-well gas fired heater |
12/23/2009 | CN201367860Y Dual-side insulation short piece |
12/23/2009 | CN100572744C Oil well wax-preventing method |
12/22/2009 | US7635025 Cogeneration systems and processes for treating hydrocarbon containing formations |
12/17/2009 | US20090308587 Precast thermal insulation for flowlines and risers |
12/16/2009 | CN201363121Y Flexible heating pipe header |
12/16/2009 | CN101605965A Subterranean electro-thermal heating system and method |
12/15/2009 | CA2484887C Linearly scalable geothermic fuel cells |
12/10/2009 | US20090301714 Composition and Method For Using Waxy Oil-External Emulsions To Modify Reservoir Permeability Profiles |
12/09/2009 | CN101598020A Energy-saving and heat-preserving novel technology for exploring bittern by natural flow |
12/09/2009 | CN101598012A Electric heating fused cleaning device for modulating wave oil tubes and sucker rods |
12/09/2009 | CN101598011A Split-type two-pass highly-efficient crude oil heating system in well site |
12/08/2009 | CA2509408C Arctic platform |
12/08/2009 | CA2409026C Method for making a quasi-incompressible phase-change material with low thermal conductivity, and resulting product |
12/03/2009 | WO2009143617A1 Temperature conditioned stuffing box with fluid containment |
12/03/2009 | CA2726332A1 Temperature conditioned stuffing box with fluid containment |
12/02/2009 | CN101595273A Optimized well spacing for in situ shale oil development |
12/01/2009 | US7625845 Hollow spheres of glass, ceramics, plastics; control heat transfer from production tubing, transfer pipe to annuli and environment; reduce convection flow velocity in the annulus |
11/30/2009 | CA2633126A1 Heated stuffing box with fluid containment |
11/26/2009 | WO2009112808A3 Improved aqueous-based insulating fluids and related methods |
11/26/2009 | US20090288826 Enzyme enhanced oil recovery (EEOR) for cyclic steam injection |
11/24/2009 | US7621333 Process to improve extraction of crude oil and installation implementing such process |
11/24/2009 | CA2436456C Thermal generator for downhole tools |
11/19/2009 | US20090283268 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations |
11/19/2009 | US20090283267 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations |
11/18/2009 | CN201347746Y Downhole heat tracing device |
11/17/2009 | US7617869 Methods for extracting oil from tar sand |
11/12/2009 | WO2009076772A4 Heat tracing apparaturs including a thermoelectric generator |
11/12/2009 | WO2009016140A3 Method and apparatus for cooling a gaseous hydrocarbon stream |
11/11/2009 | CN201344029Y Circulating heating system for pumping well |
11/11/2009 | CN201344019Y Positioning and hot washing device |
11/11/2009 | CN101575953A Unit equipment of pipe laying and mixing water |
11/05/2009 | WO2009135069A1 Method and cooling system for electric submersible pumps/motors for use in geothermal wells |
11/05/2009 | US20090272536 Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations |
11/05/2009 | US20090272535 Using tunnels for treating subsurface hydrocarbon containing formations |
11/05/2009 | US20090272533 Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations |
11/05/2009 | US20090272526 Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations |
11/03/2009 | US7610962 Sour gas injection for use with in situ heat treatment |
10/28/2009 | EP1513908B1 Method for thermal insulation, method for preparation of an insulating gel and insulating gel produced thus |
10/22/2009 | WO2009129451A2 Method for treating a hydrocarbon containing formation |
10/22/2009 | WO2009129449A2 Methods of treating a hydrocarbon containing formation |
10/22/2009 | US20090260825 Method for recovery of hydrocarbons from a subsurface hydrocarbon containing formation |
10/22/2009 | US20090260824 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations |
10/22/2009 | US20090260823 Mines and tunnels for use in treating subsurface hydrocarbon containing formations |
10/22/2009 | US20090260812 Methods of treating a hydrocarbon containing formation |
10/22/2009 | US20090260811 Methods for generation of subsurface heat for treatment of a hydrocarbon containing formation |
10/22/2009 | US20090260810 Method for treating a hydrocarbon containing formation |
10/22/2009 | US20090260809 Method for treating a hydrocarbon containing formation |
10/22/2009 | US20090260808 Method for treating a hydrocarbon containing formation |
10/22/2009 | CA2720988A1 Method for treating a hydrocarbon containing formation |
10/22/2009 | CA2720984A1 Methods of treating a hydrocarbon containing formation |
10/21/2009 | CN201330582Y Far-infrared radiation intelligent well head heater |
10/21/2009 | CN101563523A High strength alloys |
10/20/2009 | US7604054 Enhanced hydrocarbon recovery by convective heating of oil sand formations |