Patents
Patents for E21B 36 - Heating, cooling, or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones (4,262)
03/2010
03/11/2010WO2010009110A3 System and method for sub-cooling hydrocarbon production fluid for transport
03/10/2010CN201420537Y Thermal washing paraffin removal device for oil wells
03/04/2010US20100051279 Method of prevention of hydrates
03/03/2010CN201416417Y Electrical-heating paraffin removing device for stockless oil well
03/03/2010CN201416415Y Energy-saving and scale preventing device for oil field heating furnace
03/03/2010CN101660397A Gas generator for oil thermal production
03/02/2010US7669659 System for preventing hydrate formation in chemical injection piping for subsea hydrocarbon production
03/02/2010CA2449302C Hydrothermal drilling method and system
02/2010
02/25/2010US20100044046 Downhole mechanisms
02/24/2010EP2156014A2 Subsea cooler
02/24/2010CN201412120Y Solar power warming system for oil field wellhead
02/23/2010US7665525 Reducing the energy requirements for the production of heavy oil
02/23/2010US7665524 Liquid metal heat exchanger for efficient heating of soils and geologic formations
02/23/2010CA2445455C Electrical well heating system and method
02/21/2010CA2675341A1 Downhole mechanisms
02/11/2010US20100032161 Heat dissipater for electronic components in downhole tools and methods for using the same
02/04/2010WO2010014243A2 Downhole tool with thin film thermoelectric cooling
02/04/2010US20100025048 U-Shaped fiber optical cable assembly for use in a heated well and methods for in-stalling and using the assembly
02/03/2010CN101641493A Inline downhole heater
01/2010
01/27/2010CN201391280Y Superconductive heat washing paraffin removal device
01/27/2010CN201391279Y Thermal insulation device for drilling equipment
01/27/2010CN201391278Y Dual heating frozen blocking prevention oil storage device of oil well
01/27/2010CN101636554A Improved method of developing subsurface freeze zone
01/27/2010CN101634219A Electromagnetic heating device for oil well
01/21/2010WO2010009110A2 System and method for sub-cooling hydrocarbon production fluid for transport
01/20/2010CN201386542Y Wax and stain removal device of oil pumping pipe
01/20/2010CN201386541Y Wax removal and well cleanout device for gas heat carrier
01/20/2010CN201386540Y Gas generator for wax removal and well cleanout of oilwell
01/19/2010US7647979 Downhole electrical power generation based on thermo-tunneling of electrons
01/19/2010US7647972 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
01/19/2010US7647971 Method of developing subsurface freeze zone
01/14/2010WO2010003788A1 A polyisocyanurate-based syntactic coating for offshore applications
01/14/2010WO2008131212A3 Systems, methods, and processes for use in treating subsurface formations
01/14/2010US20100008732 Arctic Platform
01/14/2010US20100006291 Method of cooling a multiphase well effluent stream
01/14/2010CA2726049A1 A polyisocyanurate-based syntactic coating for offshore applications
01/13/2010CN201381829Y Heating device for paraffin removal of pumping well
01/07/2010US20100003086 Arctic Platform
01/07/2010US20100003084 Arctic Platform
01/06/2010CN100578118C Oil field produced water heat pump technique
01/05/2010US7640980 Thermal processes for subsurface formations
01/05/2010US7640965 Creating a well abandonment plug
12/2009
12/31/2009US20090321075 Parallel heater system for subsurface formations
12/31/2009US20090321071 Controlling and assessing pressure conditions during treatment of tar sands formations
12/24/2009US20090314488 Electrically and/or Magnetically Active Coated Fibres for Wellbore Operations
12/24/2009US20090314487 Processing hydrocarbons
12/23/2009CN201367883Y Individual-well gas fired heater
12/23/2009CN201367860Y Dual-side insulation short piece
12/23/2009CN100572744C Oil well wax-preventing method
12/22/2009US7635025 Cogeneration systems and processes for treating hydrocarbon containing formations
12/17/2009US20090308587 Precast thermal insulation for flowlines and risers
12/16/2009CN201363121Y Flexible heating pipe header
12/16/2009CN101605965A Subterranean electro-thermal heating system and method
12/15/2009CA2484887C Linearly scalable geothermic fuel cells
12/10/2009US20090301714 Composition and Method For Using Waxy Oil-External Emulsions To Modify Reservoir Permeability Profiles
12/09/2009CN101598020A Energy-saving and heat-preserving novel technology for exploring bittern by natural flow
12/09/2009CN101598012A Electric heating fused cleaning device for modulating wave oil tubes and sucker rods
12/09/2009CN101598011A Split-type two-pass highly-efficient crude oil heating system in well site
12/08/2009CA2509408C Arctic platform
12/08/2009CA2409026C Method for making a quasi-incompressible phase-change material with low thermal conductivity, and resulting product
12/03/2009WO2009143617A1 Temperature conditioned stuffing box with fluid containment
12/03/2009CA2726332A1 Temperature conditioned stuffing box with fluid containment
12/02/2009CN101595273A Optimized well spacing for in situ shale oil development
12/01/2009US7625845 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
11/2009
11/30/2009CA2633126A1 Heated stuffing box with fluid containment
11/26/2009WO2009112808A3 Improved aqueous-based insulating fluids and related methods
11/26/2009US20090288826 Enzyme enhanced oil recovery (EEOR) for cyclic steam injection
11/24/2009US7621333 Process to improve extraction of crude oil and installation implementing such process
11/24/2009CA2436456C Thermal generator for downhole tools
11/19/2009US20090283268 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
11/19/2009US20090283267 Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations
11/18/2009CN201347746Y Downhole heat tracing device
11/17/2009US7617869 Methods for extracting oil from tar sand
11/12/2009WO2009076772A4 Heat tracing apparaturs including a thermoelectric generator
11/12/2009WO2009016140A3 Method and apparatus for cooling a gaseous hydrocarbon stream
11/11/2009CN201344029Y Circulating heating system for pumping well
11/11/2009CN201344019Y Positioning and hot washing device
11/11/2009CN101575953A Unit equipment of pipe laying and mixing water
11/05/2009WO2009135069A1 Method and cooling system for electric submersible pumps/motors for use in geothermal wells
11/05/2009US20090272536 Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations
11/05/2009US20090272535 Using tunnels for treating subsurface hydrocarbon containing formations
11/05/2009US20090272533 Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations
11/05/2009US20090272526 Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations
11/03/2009US7610962 Sour gas injection for use with in situ heat treatment
10/2009
10/28/2009EP1513908B1 Method for thermal insulation, method for preparation of an insulating gel and insulating gel produced thus
10/22/2009WO2009129451A2 Method for treating a hydrocarbon containing formation
10/22/2009WO2009129449A2 Methods of treating a hydrocarbon containing formation
10/22/2009US20090260825 Method for recovery of hydrocarbons from a subsurface hydrocarbon containing formation
10/22/2009US20090260824 Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations
10/22/2009US20090260823 Mines and tunnels for use in treating subsurface hydrocarbon containing formations
10/22/2009US20090260812 Methods of treating a hydrocarbon containing formation
10/22/2009US20090260811 Methods for generation of subsurface heat for treatment of a hydrocarbon containing formation
10/22/2009US20090260810 Method for treating a hydrocarbon containing formation
10/22/2009US20090260809 Method for treating a hydrocarbon containing formation
10/22/2009US20090260808 Method for treating a hydrocarbon containing formation
10/22/2009CA2720988A1 Method for treating a hydrocarbon containing formation
10/22/2009CA2720984A1 Methods of treating a hydrocarbon containing formation
10/21/2009CN201330582Y Far-infrared radiation intelligent well head heater
10/21/2009CN101563523A High strength alloys
10/20/2009US7604054 Enhanced hydrocarbon recovery by convective heating of oil sand formations
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