| 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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| 10/29/2013 | US8567500 Cooling apparatus and methods for use with downhole tools |
| 10/23/2013 | EP2652249A1 Downhole tool thermal device |
| 10/23/2013 | CN103362476A Casing type downhole heat exchanger heating system capable of preventing wall of producing well from paraffin precipitation |
| 10/22/2013 | US8561702 Hot fluid recovery of heavy oil with steam and carbon dioxide |
| 10/16/2013 | CN101688441B Producing resources using heated fluid injection |
| 10/15/2013 | US8555969 Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation |
| 10/09/2013 | EP2646646A1 Method and apparatus for thermally treating an oil reservoir |
| 10/09/2013 | CN203230387U Skid-mounted device performing heating through wellhead natural gases |
| 10/09/2013 | CN203230347U Temperature control blow-off petroleum pipeline |
| 10/08/2013 | CA2563592C Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| 10/05/2013 | CA2811666A1 Compaction of electrical insulation for joining insulated conductors |
| 10/02/2013 | CN103334729A Exploitation method and system of seabed methane hydrate |
| 10/01/2013 | US8544545 Combustion thermal generator and systems and methods for enhanced oil recovery |
| 10/01/2013 | CA2713995C Method for evaluating subterranean formation fluid |
| 09/25/2013 | CN103321616A Method and system for collecting seabed methane hydrate |
| 09/24/2013 | US8540020 Converting organic matter from a subterranean formation into producible hydrocarbons by controlling production operations based on availability of one or more production resources |
| 09/19/2013 | WO2013134864A1 Fully controlled combustion assisted gravity drainage process |
| 09/18/2013 | EP2639529A1 Extraction pipe installation for use in a geothermal probe for extracting geothermal energy and method for installing such an extraction pipe |
| 09/18/2013 | CN203201534U Oil field heating power well flushing device |
| 09/18/2013 | CN203201533U Electric heating rod wax-removal and viscosity-reduction device for oil well |
| 09/18/2013 | CN103306639A Turbine heater |
| 09/17/2013 | US8534358 Method for heating a hydrocarbon reservoir |
| 09/17/2013 | US8534351 Processing hydrocarbons |
| 09/16/2013 | CA2771703A1 Fully controlled combustion assisted gravity drainage process |
| 09/12/2013 | WO2013131574A1 Subsea processing |
| 09/12/2013 | WO2012122026A3 In situ catalytic upgrading |
| 09/11/2013 | CN103291245A Oil wellhead electromagnetic heating device |
| 09/11/2013 | CN103291244A Method for compensating thermal energy of horizontal well mining heavy oil reservoirs in large power and subsection mode in pit |
| 09/06/2013 | WO2013130906A2 Oil well head pressure reduction device and method of use |
| 09/04/2013 | EP2633153A1 Process for the in situ extraction of bitumen or ultraheavy oil from oil sand deposits as reservoir |
| 09/04/2013 | CN203175489U Antifreezing protective industry and mining hot wind heating device |
| 09/03/2013 | CA2680695C Downhole burners for in situ conversion of organic-rich rock formations |
| 08/29/2013 | WO2013125960A1 Subsea heat exchanger, cleaning tool and appurtenant method |
| 08/29/2013 | WO2013124004A1 Heated crude oil pipeline |
| 08/29/2013 | WO2013070266A3 Composite cable systems for use in an in situ oil production process |
| 08/28/2013 | EP2631421A1 Heated crude oil pipeline |
| 08/28/2013 | CN203161195U Oil well injection allocation thermal recovery device |
| 08/28/2013 | CN203161176U Oil well self-cleaning heat cleaning vehicle |
| 08/22/2013 | US20130213656 Aqueous-Based Insulating Fluids and Related Methods |
| 08/21/2013 | EP2627860A2 Marine subsea free-standing riser systems and methods |
| 08/21/2013 | EP2627859A2 Marine subsea assemblies |
| 08/21/2013 | CN203145897U Multifunctional oil pump |
| 08/21/2013 | CN203145850U Relaying heat pipe type sucker rod |
| 08/21/2013 | CN203145849U Oil well structure capable of improving oil temperature at oil well outlet based on heat pipe principle |
| 08/20/2013 | US8511378 Control system for extraction of hydrocarbons from underground deposits |
| 08/20/2013 | CA2713396C Formation tester with fluid mobility enhancement to enable use of a low volume flow line for fluid sample collection and method of use thereof |
| 08/15/2013 | WO2013119125A1 Downhole logging tool cooling device |
| 08/15/2013 | WO2012122041A3 Heat recovery method for wellpad sagd steam generation |
| 08/15/2013 | US20130206748 Mineral insulated skin effect heating cable |
| 08/15/2013 | US20130206413 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 08/14/2013 | CN203130045U Independent well washing device for rod-pumped well |
| 08/14/2013 | CN203130042U Air-returning and heat-extraction type cooling device used for mine |
| 08/14/2013 | CN101939504B Optimization of untreated oil shale geometry to control subsidence |
| 08/08/2013 | US20130199786 System for providing uniform heating to subterranean formation for recovery of mineral deposits |
| 08/08/2013 | US20130199783 Arrangement, device and method for resolving hydrate plugs |
| 08/07/2013 | CN203114247U Strong magnetic rotational flow self-generating electricity vacuum superconducting four-effect paraffin control and viscosity reduction device |
| 08/06/2013 | CA2692686C Producing resources using heated fluid injection |
| 08/06/2013 | CA2692596C Treating subterranean zones |
| 08/01/2013 | WO2013112133A1 Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation |
| 08/01/2013 | WO2013110980A1 Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation |
| 08/01/2013 | US20130192896 Method for colling a rotating control device |
| 08/01/2013 | US20130192834 Method and system for controlling wellbore production temperature |
| 08/01/2013 | US20130192833 Opening or closing a fluid flow path using a material that expands or contracts via a change in temperature |
| 08/01/2013 | CA2862463A1 Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation |
| 07/31/2013 | EP2619406A1 Method of using carbon dioxide in recovery of formation deposits |
| 07/31/2013 | CN203099225U Heat preservation box fixing clamp |
| 07/31/2013 | CN203097859U Solar heat collection water circulating heating device for recovering thick oil |
| 07/31/2013 | CN203097826U Crude oil gathering and transportation pipeline strong-magnetic rotational flow self-power-generating carbon-free heating device |
| 07/31/2013 | CN203097825U Natural gas well mouth heating furnace prizing device |
| 07/31/2013 | CN203097824U Compound insulation external member for mouth of oil field well |
| 07/31/2013 | CN103228865A Marine subsea assemblies |
| 07/31/2013 | CN102226386B Oil gas ground metering, heat exchange, throttling and heat insulation integral device |
| 07/31/2013 | CN101994501B Hydrogen-injection oil extraction method |
| 07/31/2013 | CA2803428A1 Method and system for controlling wellbore production temperature |
| 07/24/2013 | CN203081404U Oil field wax removing device |
| 07/24/2013 | CN103221632A Method of using carbon dioxide in recovery of formation deposits |
| 07/24/2013 | CN103216218A Spoke type electrical heating oil layer oil displacing method |
| 07/24/2013 | CN101523012B Sub sea processing system |
| 07/24/2013 | CN101107420B Temperature limited heaters used to heat subsurface formations |
| 07/18/2013 | WO2013105951A1 Pipe in pipe downhole electric heater |
| 07/18/2013 | US20130180729 Rf applicator having a bendable tubular dielectric coupler and related methods |
| 07/18/2013 | CA2857763A1 Rf applicator having a bendable tubular dielectric coupler and related methods |
| 07/17/2013 | CN203066948U Flow monitor for dosing producing well |
| 07/16/2013 | US8485257 Supercritical pentane as an extractant for oil shale |
| 07/16/2013 | US8485256 Variable thickness insulated conductors |
| 07/16/2013 | US8485254 Method and apparatus for in situ extraction of bitumen or very heavy oil |
| 07/16/2013 | US8485252 In situ recovery from a hydrocarbon containing formation |
| 07/11/2013 | WO2013073997A3 Method for eliminating and preventing the formation of asphaltene and paraffin deposits in oil wells and pipelines, and apparatus for the implementation thereof |
| 07/10/2013 | CN203050629U Electromagnetic heating constant-temperature control device |
| 07/10/2013 | CN203050628U Natural gas combustor of single-well heating furnace |
| 07/10/2013 | CN203050627U Acid gas filed wellhead constant pressure water jacket furnace |
| 07/09/2013 | US8481463 Oil-based grouting composition with an insulating material |
| 07/09/2013 | US8479820 Dissipating heat from a downhole heat generating device |
| 07/03/2013 | CN203035160U An electrical heating thermal-insulation device for wellhead equipment |
| 07/03/2013 | CN101641493B Inline downhole heater |
| 07/02/2013 | US8474531 Steam-gas-solvent (SGS) process for recovery of heavy crude oil and bitumen |
| 07/02/2013 | US8474519 Methane hydrate dissociation accelerating and methane gas deriving system |
| 06/27/2013 | WO2013096550A1 Thermal buffering of downhole equipment with phase change material |
| 06/27/2013 | WO2013095198A2 Heat insulated string segment |
| 06/27/2013 | WO2013092449A1 Method and system for stimulating fluid flow in an upwardly oriented oilfield tubular |