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Class Information
Number: 166/261
Name: Wells > Processes > In situ combustion > Injecting specific material other than oxygen into formation
Description: A process in which a material is placed into the pores of the earth, said material being other than oxygen, per se, or air.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6413016 |
Methods of extracting liquid hydrocardon contaminants from underground zones |
Jul. 2, 2002 |
| 6328104 |
Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
Dec. 11, 2001 |
| 6030048 |
In-situ chemical reactor for recovery of metals or purification of salts |
Feb. 29, 2000 |
| 6016867 |
Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking |
Jan. 25, 2000 |
| 6016868 |
Production of synthetic crude oil from heavy hydrocarbons recovered by in situ hydrovisbreaking |
Jan. 25, 2000 |
| 5868202 |
Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations |
Feb. 9, 1999 |
| 5645322 |
In-situ chemical reactor for recovery of metals and salts |
Jul. 8, 1997 |
| 5626191 |
Oilfield in-situ combustion process |
May. 6, 1997 |
| 5458193 |
Continuous method of in situ steam generation |
Oct. 17, 1995 |
| 5456315 |
Horizontal well gravity drainage combustion process for oil recovery |
Oct. 10, 1995 |
| 5449038 |
Batch method of in situ steam generation |
Sep. 12, 1995 |
| 5443118 |
Oxidant enhanced water injection into a subterranean formation to augment hydrocarbon recovery |
Aug. 22, 1995 |
| 5362318 |
Consolidation agent and method |
Nov. 8, 1994 |
| 5358563 |
In-situ silica cementation for profile control during steam injection |
Oct. 25, 1994 |
| 5358565 |
Steam injection profile control agent and process |
Oct. 25, 1994 |
| 5358564 |
In-situ cementation for profile control |
Oct. 25, 1994 |
| 5339897 |
Recovery and upgrading of hydrocarbon utilizing in situ combustion and horizontal wells |
Aug. 23, 1994 |
| 5287926 |
Method and system for underground gasification of coal or browncoal |
Feb. 22, 1994 |
| 5211231 |
In-situ cementation for profile control |
May. 18, 1993 |
| 5211232 |
In-situ silica cementation for profile control during steam injection |
May. 18, 1993 |
| 5062483 |
Treatment for reducing water coning in an oil reservoir |
Nov. 5, 1991 |
| 5027896 |
Method for in-situ recovery of energy raw material by the introduction of a water/oxygen slurry |
Jul. 2, 1991 |
| 4993490 |
Overburn process for recovery of heavy bitumens |
Feb. 19, 1991 |
| 4984635 |
Thermal barriers for enhanced oil recovery |
Jan. 15, 1991 |
| 4961467 |
Enhanced oil recovery for oil reservoir underlain by water |
Oct. 9, 1990 |
| 4867238 |
Recovery of viscous oil from geological reservoirs using hydrogen peroxide |
Sep. 19, 1989 |
| 4865130 |
Hot gas generator with integral recovery tube |
Sep. 12, 1989 |
| 4860827 |
Process and device for oil recovery using steam and oxygen-containing gas |
Aug. 29, 1989 |
| 4844155 |
Process for increasing the yield of oil reservoirs |
Jul. 4, 1989 |
| 4834178 |
Process for injection of oxidant and liquid into a well |
May. 30, 1989 |
| 4809781 |
Method for selectively plugging highly permeable zones in a subterranean formation |
Mar. 7, 1989 |
| 4804043 |
Process for selective placement of polymer gels for profile control in thermal oil recovery |
Feb. 14, 1989 |
| 4778010 |
Process for injection of oxidant and liquid into a well |
Oct. 18, 1988 |
| 4776638 |
Method and apparatus for conversion of coal in situ |
Oct. 11, 1988 |
| 4729431 |
Oil recovery by quenched in situ combustion |
Mar. 8, 1988 |
| 4722395 |
Viscous oil recovery method |
Feb. 2, 1988 |
| 4718489 |
Pressure-up/blowdown combustion - a channelled reservoir recovery process |
Jan. 12, 1988 |
| 4705431 |
Method for forming a fluid barrier by means of sloping drains, more especially in an oil field |
Nov. 10, 1987 |
| 4705109 |
Controlled retracting gasifying agent injection point process for UCG sites |
Nov. 10, 1987 |
| 4699213 |
Enhanced oil recovery process utilizing in situ steam generation |
Oct. 13, 1987 |
| 4691771 |
Recovery of oil by in-situ combustion followed by in-situ hydrogenation |
Sep. 8, 1987 |
| 4691773 |
Insitu wet combustion process for recovery of heavy oils |
Sep. 8, 1987 |
| 4690215 |
Enhanced crude oil recovery |
Sep. 1, 1987 |
| 4683947 |
Process and apparatus for monitoring and controlling the flammability of gas from an in-situ combustion oil recovery project |
Aug. 4, 1987 |
| 4662443 |
Combination air-blown and oxygen-blown underground coal gasification process |
May. 5, 1987 |
| 4662439 |
Method of underground conversion of coal |
May. 5, 1987 |
| 4649997 |
Carbon dioxide injection with in situ combustion process for heavy oils |
Mar. 17, 1987 |
| 4648450 |
Method of producing synthesis gas by underground gasification of coal using specific well configuration |
Mar. 10, 1987 |
| 4646833 |
Flooding to recover oil from subterranean formations and employing injection of hot, low-viscosity polymer solution that becomes more viscous than the oil out in the formation |
Mar. 3, 1987 |
| 4638864 |
Recovery of heavy crude oil from shallow formations by in situ combustion |
Jan. 27, 1987 |
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