| Patent Number |
Title Of Patent |
Date Issued |
| RE33505 |
Scan room for magnetic resonance imager |
December 25, 1990 |
| A scan room is disclosed in which a magnetic resonance (MR) imager can be located that will reduce to an acceptable level outside the room the strength of the fringe magnetic fields produced by the imager and that will shield the imager from magnetic, radio frequency electromagnetic, and |
| 7259688 |
Wireless reservoir production control |
August 21, 2007 |
| A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network. Both the downhole and the surface communication networks are wireless communications p |
| 7225866 |
In situ thermal processing of an oil shale formation using a pattern of heat sources |
June 5, 2007 |
| A oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 temper |
| 7170424 |
Oil well casting electrical power pick-off points |
January 30, 2007 |
| A power supply apparatus is provided for supplying power and communications within a first piping structure. An external power transfer device is positioned around the first piping structure and is magnetically coupled to an internal power transfer device. The internal power transfer |
| 7147059 |
Use of downhole high pressure gas in a gas-lift well and associated methods |
December 12, 2006 |
| A gas-lift petroleum well and method for producing petroleum products using downhole pressurized gas to provide lift. The gas-lift well having a well casing, a production tubing, a packer, and a gas-lift valve. The well casing extends within a wellbore of the well, and the wellbore e |
| 7114561 |
Wireless communication using well casing |
October 3, 2006 |
| A petroleum well having a borehole extending into a formation is provided. A piping structure is positioned within the borehole, and an induction choke is positioned around the piping structure downhole. A communication system is provided along the piping structure between a surface of t |
| 7096953 |
In situ thermal processing of a coal formation using a movable heating element |
August 29, 2006 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 |
| 7096942 |
In situ thermal processing of a relatively permeable formation while controlling pressure |
August 29, 2006 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The t |
| 7096941 |
In situ thermal processing of a coal formation with heat sources located at an edge of a coal la |
August 29, 2006 |
| A coal containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 |
| 7086468 |
In situ thermal processing of a hydrocarbon containing formation using heat sources positioned w |
August 8, 2006 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H.sub.2, 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 temper |
| 7075454 |
Power generation using batteries with reconfigurable discharge |
July 11, 2006 |
| A petroleum well for producing petroleum products that incorporates a system adapted to provide power to a downhole device in the well. The system includes a current impedance device and a downhole power storage device. The current impedance device is positioned such that when a time |
| 7073594 |
Wireless downhole well interval inflow and injection control |
July 11, 2006 |
| An apparatus and methods of electrically controlling downhole well interval inflow and/or injection. The downhole controllable well section having a communications and control module, a sensor, an electrically controllable valve and an induction choke. The electrically controllable v |
| 7055600 |
In situ thermal recovery from a relatively permeable formation with controlled production rate |
June 6, 2006 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The t |
| 7055592 |
Toroidal choke inductor for wireless communication and control |
June 6, 2006 |
| An induction choke in a petroleum well where a voltage potential is developed across the choke to power and communicate with devices and sensors in the well. Preferably, the induction choke is a ferromagnetic material and acts as an impedance to a time-varying current, e.g. AC. The p |
| 7051811 |
In situ thermal processing through an open wellbore in an oil shale formation |
May 30, 2006 |
| An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area from one or more heat sources. A heat source may be positioned in an uncased wellbore. Heat may be allowed to transfer from the heat source to a section of the formation. |
| 7051807 |
In situ thermal recovery from a relatively permeable formation with quality control |
May 30, 2006 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The t |
| 7040400 |
In situ thermal processing of a relatively impermeable formation using an open wellbore |
May 9, 2006 |
| A method for treating a relatively low permeability formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. |
| 7040399 |
In situ thermal processing of an oil shale formation using a controlled heating rate |
May 9, 2006 |
| An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 desired tempera |
| 7040398 |
In situ thermal processing of a relatively permeable formation in a reducing environment |
May 9, 2006 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The t |
| 7040397 |
Thermal processing of an oil shale formation to increase permeability of the formation |
May 9, 2006 |
| An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 tempe |
| 7036583 |
In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the f |
May 2, 2006 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyr |
| 7032660 |
In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shal |
April 25, 2006 |
| An oil shale formation may be treated using an in situ thermal process. Fluid migration into and/or out of a treatment area in the formation may be inhibited. In some embodiments, a barrier may be used to inhibit migration of fluids into and/or out of the treatment area. Heat may be |
| 7017661 |
Production of synthesis gas from a coal formation |
March 28, 2006 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 synthesis gas product |
| 7013972 |
In situ thermal processing of an oil shale formation using a natural distributed combustor |
March 21, 2006 |
| An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 tempe |
| 7004251 |
In situ thermal processing and remediation of an oil shale formation |
February 28, 2006 |
| An oil shale formation may be treated using an in situ thermal process. Heat may be provided to a portion of the formation from one or more heat sources. Heat may be allowed to transfer from the heat sources to a selection of the formation. Hydrocarbons, H.sub.2, and/or other formation |
| 7004247 |
Conductor-in-conduit heat sources for in situ thermal processing of an oil shale formation |
February 28, 2006 |
| An oil shale formation may be treated using an in situ thermal process. Hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from one or more heat sources to raise a temperature of a portion of the formation to a de |
| 6997518 |
In situ thermal processing and solution mining of an oil shale formation |
February 14, 2006 |
| An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area. Fluids may be injected into the formation to remove a component within the formation. Hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the form |
| 6997255 |
In situ thermal processing of a hydrocarbon containing formation in a reducing environment |
February 14, 2006 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyr |
| 6994169 |
In situ thermal processing of an oil shale formation with a selected property |
February 7, 2006 |
| An oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 desired tempera |
| 6994168 |
In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen to car |
February 7, 2006 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyr |
| 6994161 |
In situ thermal processing of a coal formation with a selected moisture content |
February 7, 2006 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 |
| 6994160 |
In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbons having |
February 7, 2006 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyr |
| 6991036 |
Thermal processing of a relatively permeable formation |
January 31, 2006 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a selected section of the formation. The heat provided to the selected section may pyrolyze at least some hydrocarbons in a lower p |
| 6991033 |
In situ thermal processing while controlling pressure in an oil shale formation |
January 31, 2006 |
| An oil shale formation may be treated using an in situ thermal process. Heat may be provided to the treatment area. Heat may be allowed to transfer from at least one heat source to a section of the formation. Pressure within a portion of the formation may be controlled. Hydrocarbons, |
| 6991032 |
In situ thermal processing of an oil shale formation using a pattern of heat sources |
January 31, 2006 |
| A oil shale formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 temper |
| 6991031 |
In situ thermal processing of a coal formation to convert a selected total organic carbon conten |
January 31, 2006 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 |
| 6981553 |
Controlled downhole chemical injection |
January 3, 2006 |
| A petroleum well having a well casing, a production tubing, a source of time-varying current, a downhole chemical injection device, and a downhole induction choke. The casing extends within a wellbore of the well. The tubing extends within the casing. The current source is located at |
| 6981548 |
In situ thermal recovery from a relatively permeable formation |
January 3, 2006 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from a first set of heat sources to a first section of the formation. The heat provided to the first section may pyrolyze at least some hydrocarbons in the first se |
| 6973967 |
Situ thermal processing of a coal formation using pressure and/or temperature control |
December 13, 2005 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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. |
| 6966374 |
In situ thermal recovery from a relatively permeable formation using gas to increase mobility |
November 22, 2005 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The t |
| 6966372 |
In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing fo |
November 22, 2005 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyrolys |
| 6964300 |
In situ thermal recovery from a relatively permeable formation with backproduction through a hea |
November 15, 2005 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. The t |
| 6959761 |
In situ thermal processing of a coal formation with a selected ratio of heat sources to producti |
November 1, 2005 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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. Th |
| 6958704 |
Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters |
October 25, 2005 |
| A system and method of communicating among devices via a piping structure using at least one induction choke about the piping structure to route a time-varying current carrying communication signals between the devices. A communications system comprises a piping structure, a first commun |
| 6953087 |
Thermal processing of a hydrocarbon containing formation to increase a permeability of the forma |
October 11, 2005 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyrolys |
| 6951247 |
In situ thermal processing of an oil shale formation using horizontal heat sources |
October 4, 2005 |
| An oil shale formation may be treated using an in situ thermal process. Heat may be provided to a portion of the formation from one or more heat sources having a horizontal orientation in the formation. Heat may be allowed to transfer from the heat sources to a section of the formation. |
| 6948563 |
In situ thermal processing of a hydrocarbon containing formation with a selected hydrogen conten |
September 27, 2005 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyrolys |
| 6948562 |
Production of a blending agent using an in situ thermal process in a relatively permeable format |
September 27, 2005 |
| A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a selected section of the formation. The heat provided to the selected section may pyrolyze at least some hydrocarbons in the selected |
| 6929067 |
Heat sources with conductive material for in situ thermal processing of an oil shale formation |
August 16, 2005 |
| The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include conductive material. In some embodiments, the conductive portion may reduce heat loss to a |
| 6923258 |
In situ thermal processsing of a hydrocarbon containing formation to produce a mixture with a se |
August 2, 2005 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, 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 pyrolys |