| 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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| 11/01/2004 | CA2427410A1 Flameless hot oiler |
| 10/28/2004 | WO2004092529A2 Arctic platform |
| 10/28/2004 | US20040214727 High temperature silicone based subsea insulation |
| 10/28/2004 | US20040211569 Installation and use of removable heaters in a hydrocarbon containing formation |
| 10/28/2004 | CA2677756A1 Arctic platform |
| 10/28/2004 | CA2672866A1 Arctic platform |
| 10/27/2004 | CN2651441Y Underground heater for producing thick oil |
| 10/19/2004 | US6805195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas |
| 10/12/2004 | US6802375 Method for plugging a well with a resin |
| 10/07/2004 | WO2004085794A1 Device for heating and thermally insulating at least one undersea pipeline |
| 09/30/2004 | WO2004083595A2 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 09/28/2004 | US6796139 Method and apparatus for artificial ground freezing |
| 09/22/2004 | CN2642981Y High temperature special electrical heating pumping rod |
| 09/16/2004 | US20040177966 Conductor-in-conduit temperature limited heaters |
| 09/15/2004 | EP1276964B1 A method for treating a hydrocarbon containing formation |
| 09/15/2004 | EP1276963B1 In situ recovery of hydrocarbons from a kerogen-containing formation |
| 09/15/2004 | EP1276961B1 Method for treating a hydrocarbon-containing formation |
| 09/15/2004 | EP1276960B1 A method for sequestering a fluid within a hydrocarbon containing formation |
| 09/15/2004 | EP1141629B1 Pulsed combustion device and method |
| 09/14/2004 | US6789625 In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources |
| 09/08/2004 | CN2639521Y Sectional reducing heating rod for oil production |
| 09/02/2004 | WO2004042188A3 Down hole induction heating tool and method of operating and manufacturing same |
| 09/02/2004 | US20040168460 Method and apparatus for artificial ground freezing |
| 08/26/2004 | US20040163801 Heater Cable and method for manufacturing |
| 08/18/2004 | CN2634102Y Flange type insulation oilpipe suspending device |
| 08/17/2004 | US6776227 Wellhead heating apparatus and method |
| 08/10/2004 | CA2133989C Compressing combustible gas flowing throughout a conduit |
| 08/05/2004 | WO2004053935A3 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 08/05/2004 | US20040149443 Resistive down hole heating tool |
| 08/05/2004 | US20040149418 In-situ casting of well equipment |
| 08/03/2004 | US6769487 Apparatus and method for actively cooling instrumentation in a high temperature environment |
| 08/03/2004 | US6769485 In situ production of synthesis gas from a coal formation through a heat source wellbore |
| 08/03/2004 | US6769483 In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources |
| 07/29/2004 | US20040146288 Temperature limited heaters for heating subsurface formations or wellbores |
| 07/29/2004 | US20040145969 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation |
| 07/29/2004 | US20040144541 Forming wellbores using acoustic methods |
| 07/29/2004 | US20040144540 High voltage temperature limited heaters |
| 07/29/2004 | DE202004008061U1 Steigleitungsrohr für einen Tiefbrunnen Riser pipe for a deep well |
| 07/29/2004 | DE202004008060U1 Vorrichtung zum Evakuieren eines Steigleitungsrohres Apparatus for evacuating a riser pipe |
| 07/22/2004 | US20040140096 Insulated conductor temperature limited heaters |
| 07/22/2004 | US20040140095 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 07/22/2004 | US20040140093 Apparatus and method for lining a downhole casing |
| 07/21/2004 | EP1439345A1 Vegetable foam and process for its preparation |
| 07/21/2004 | CN1514905A In-situ casting of well equipment |
| 07/21/2004 | CN1158472C Pulsed combustion device and method using the same |
| 07/20/2004 | US6763886 In situ thermal processing of a coal formation with carbon dioxide sequestration |
| 07/15/2004 | WO2004038174A3 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 07/15/2004 | US20040134662 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 07/13/2004 | US6761216 Pyrolysis temperature |
| 07/06/2004 | US6758268 Heat exchanging, pyrolysis; monitoring temperature |
| 07/01/2004 | WO2004055320A1 Apparatus for the cooling of drilling liquids |
| 06/29/2004 | US6756021 Device for eliminating gas or paraffin hydrate deposits that form in well drilling equipment or in hydrocarbon production or transportation equipment |
| 06/29/2004 | CA2133992C Compressing gas flowing through a conduit |
| 06/24/2004 | WO2004053935A2 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 06/23/2004 | CN1507529A Electrical well heating system and method |
| 06/23/2004 | CN1507528A In-situ combustion for oil recovery |
| 06/22/2004 | US6752210 In situ thermal processing of a coal formation using heat sources positioned within open wellbores |
| 06/22/2004 | CA2375565C Wellhead heating apparatus and method |
| 06/17/2004 | US20040112601 Apparatus and method for actively cooling instrumentation in a high temperature environment |
| 06/16/2004 | CN2620759Y Well head flow path electric heating device |
| 06/15/2004 | US6749021 Pyrolysis |
| 06/10/2004 | US20040108111 In situ thermal processing of a coal formation to increase a permeability/porosity of the formation |
| 06/09/2004 | CN2620082Y Modulating wave device for oil pipe electrothermic oi production and dewaxing |
| 06/08/2004 | US6746761 Silicone based matrix and a plurality of non-metallic beads supported in the matrix. |
| 06/08/2004 | US6745837 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate |
| 06/08/2004 | US6745832 Situ thermal processing of a hydrocarbon containing formation to control product composition |
| 06/08/2004 | US6745831 Mixture of hydrocarbons, h2, and/or other formation fluids may be produced from the formation. heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. |
| 06/03/2004 | US20040104045 Cement heating tool for oil and gas well completion |
| 06/02/2004 | CN2619048Y Oil layer high frequency electric induction heater |
| 06/01/2004 | US6742603 Hydrothermal drilling method and system |
| 06/01/2004 | US6742593 In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation |
| 06/01/2004 | US6742589 In situ thermal processing of a coal formation using repeating triangular patterns of heat sources |
| 06/01/2004 | US6742588 In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content |
| 06/01/2004 | US6742587 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 05/26/2004 | CN2617921Y Oil extracting frequency variable electromagnetic heater |
| 05/25/2004 | US6739394 Providing heat and a synthesis gas generating fluid to the section to generate synthesis gas |
| 05/25/2004 | US6739393 In situ thermal processing of a coal formation and tuning production |
| 05/21/2004 | WO2004042188A2 Down hole induction heating tool and method of operating and manufacturing same |
| 05/21/2004 | WO2003036037A3 Installation and use of removable heaters in a hydrocarbon containing formation |
| 05/21/2004 | CA2504877A1 Down hole induction and resistive heating tool and method of operating same |
| 05/18/2004 | US6736215 In situ thermal processing of a hydrocarbon containing formation, in situ production of synthesis gas, and carbon dioxide sequestration |
| 05/11/2004 | US6732796 Heating section of formation with heat sources to temperature allowing generation of synthesis gas, providing synthesis gas generating fluid to section, removing synthesis gas generated, repeating for second section, blending for desired ratio |
| 05/11/2004 | US6732795 Providing heat from one or more heat sources to at least one portion of formation; allowing heat to transfer from the one or more heat sources to a selected section of the formation; controlling the heat; producing a mixture from the formation |
| 05/11/2004 | US6732794 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
| 05/06/2004 | WO2004038175A1 Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation |
| 05/06/2004 | WO2004038174A2 Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation |
| 05/06/2004 | WO2004038173A1 Temperature limited heaters for heating subsurface formations or wellbores |
| 05/06/2004 | US20040087448 Packer fluid |
| 05/06/2004 | US20040084442 Downhole electromagnetic heating tool and method of using same |
| 05/05/2004 | CN1148523C Heat insulating device and method for insulating at least a submarine pipeline at great depth |
| 05/04/2004 | US6730205 Air cooled electromagnetic generator; prevent accumulation of impurities; separation of oil and water |
| 05/04/2004 | US6729401 Synthesis gas may be produced from the formation. synthesis gas may be used as a feed stream in an ammonia synthesis process. ammonia may be used as a feed stream in a urea synthesis process. |
| 05/04/2004 | US6729397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite reflectance |
| 05/04/2004 | US6729396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon number range |
| 05/04/2004 | US6729395 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells |
| 04/27/2004 | US6725928 In situ thermal processing of a coal formation using a distributed combustor |
| 04/27/2004 | US6725921 In situ thermal processing of a coal formation by controlling a pressure of the formation |
| 04/27/2004 | US6725920 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products |
| 04/22/2004 | CA2501315A1 Methods and apparatus for a subsea tie back |
| 04/20/2004 | US6722431 In situ thermal processing of hydrocarbons within a relatively permeable formation |