| Patent Number |
Title Of Patent |
Date Issued |
| 7610964 |
Positive displacement pump |
Nov. 3, 2009 |
| 7610962 |
Sour gas injection for use with in situ heat treatment |
Nov. 3, 2009 |
| 7604054 |
Enhanced hydrocarbon recovery by convective heating of oil sand formations |
Oct. 20, 2009 |
| 7581593 |
Apparatus for treating fluid streams |
Sep. 1, 2009 |
| 7575052 |
In situ conversion process utilizing a closed loop heating system |
Aug. 18, 2009 |
| 7559367 |
Temperature limited heater with a conduit substantially electrically isolated from the formation |
Jul. 14, 2009 |
| 7546880 |
Extracting gas hydrates from marine sediments |
Jun. 16, 2009 |
| 7543643 |
Down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
Jun. 9, 2009 |
| 7510000 |
Reducing viscosity of oil for production from a hydrocarbon containing formation |
Mar. 31, 2009 |
| 7490665 |
Variable frequency temperature limited heaters |
Feb. 17, 2009 |
| 7490028 |
Method, apparatus and system for pore pressure prediction in presence of dipping formations |
Feb. 10, 2009 |
| 7484561 |
Electro thermal in situ energy storage for intermittent energy sources to recover fuel from hydro carbonaceous earth formations |
Feb. 3, 2009 |
| 7481274 |
Temperature limited heaters with relatively constant current |
Jan. 27, 2009 |
| 7475724 |
Method of determining a fluid inflow profile of wellbore |
Jan. 13, 2009 |
| 7461691 |
In situ recovery from a hydrocarbon containing formation |
Dec. 9, 2008 |
| 7449664 |
Oil and gas well alloy squeezing method and apparatus |
Nov. 11, 2008 |
| 7445041 |
Method and system for extraction of hydrocarbons from oil shale |
Nov. 4, 2008 |
| 7431076 |
Temperature limited heaters using modulated DC power |
Oct. 7, 2008 |
| 7422063 |
Hydrocarbon recovery from subterranean formations |
Sep. 9, 2008 |
| 7383877 |
Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
Jun. 10, 2008 |
| 7370704 |
Triaxial temperature limited heater |
May. 13, 2008 |
| 7353872 |
Start-up of temperature limited heaters using direct current (DC) |
Apr. 8, 2008 |
| 7320364 |
Inhibiting reflux in a heated well of an in situ conversion system |
Jan. 22, 2008 |
| 7285762 |
Sealing method and apparatus for oil and gas wells |
Oct. 23, 2007 |
| 7243721 |
Methods and apparatus for heating oil production reservoirs |
Jul. 17, 2007 |
| 7225866 |
In situ thermal processing of an oil shale formation using a pattern of heat sources |
Jun. 5, 2007 |
| 7182132 |
Linearly scalable geothermic fuel cells |
Feb. 27, 2007 |
| 7124820 |
Exothermic tool and method for heating a low temperature metal alloy for repairing failure spots along a section of a tubular conduit |
Oct. 24, 2006 |
| 7121341 |
Conductor-in-conduit temperature limited heaters |
Oct. 17, 2006 |
| 7096953 |
In situ thermal processing of a coal formation using a movable heating element |
Aug. 29, 2006 |
| 7083009 |
Pressure controlled fluid sampling apparatus and method |
Aug. 1, 2006 |
| 7066257 |
In situ recovery from lean and rich zones in a hydrocarbon containing formation |
Jun. 27, 2006 |
| 7059413 |
Method for intensification of high-viscosity oil production and apparatus for its implementation |
Jun. 13, 2006 |
| 7055599 |
Electromagnetic coal seam gas recovery system |
Jun. 6, 2006 |
| 7040400 |
In situ thermal processing of a relatively impermeable formation using an open wellbore |
May. 9, 2006 |
| 7040398 |
In situ thermal processing of a relatively permeable formation in a reducing environment |
May. 9, 2006 |
| 7036593 |
Cement heating tool for oil and gas well completion |
May. 2, 2006 |
| 7004247 |
Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation |
Feb. 28, 2006 |
| 6929067 |
Heat sources with conductive material for in situ thermal processing of an oil shale formation |
Aug. 16, 2005 |
| 6926083 |
Cement heating tool for oil and gas well completion |
Aug. 9, 2005 |
| 6923257 |
In situ thermal processing of an oil shale formation to produce a condensate |
Aug. 2, 2005 |
| 6918442 |
In situ thermal processing of an oil shale formation in a reducing environment |
Jul. 19, 2005 |
| 6915850 |
In situ thermal processing of an oil shale formation having permeable and impermeable sections |
Jul. 12, 2005 |
| 6902004 |
In situ thermal processing of a hydrocarbon containing formation using a movable heating element |
Jun. 7, 2005 |
| 6828531 |
Oil and gas well alloy squeezing method and apparatus |
Dec. 7, 2004 |
| 6824328 |
Vapor collection and treatment of off-gas from an in-situ thermal desorption soil remediation |
Nov. 30, 2004 |
| 6789625 |
In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources |
Sep. 14, 2004 |
| 6782947 |
In situ thermal processing of a relatively impermeable formation to increase permeability of the formation |
Aug. 31, 2004 |
| 6769483 |
In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources |
Aug. 3, 2004 |
| 6769485 |
In situ production of synthesis gas from a coal formation through a heat source wellbore |
Aug. 3, 2004 |
