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Class Information
Number: 166/245
Name: Wells > Processes > Specific pattern of plural wells
Description: A process in which an arrangement of more than two wells in plan view is claimed with enough specificity to indicate a pattern of wells (e.g., two lines of wells, one well surrounded by a ring of other wells, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5964290 |
Chemically induced stimulation of cleat formation in a subterranean coal formation |
Oct. 12, 1999 |
| 5944104 |
Chemically induced stimulation of subterranean carbonaceous formations with gaseous oxidants |
Aug. 31, 1999 |
| 5922950 |
Depth-discrete sampling port |
Jul. 13, 1999 |
| 5915477 |
Enhanced oil recovery technique |
Jun. 29, 1999 |
| 5914020 |
Electric field method and apparatus for decontaminating soil |
Jun. 22, 1999 |
| 5881811 |
Modeling of interactions between wells based on produced watercut |
Mar. 16, 1999 |
| 5865248 |
Chemically induced permeability enhancement of subterranean coal formation |
Feb. 2, 1999 |
| 5860475 |
Mixed well steam drive drainage process |
Jan. 19, 1999 |
| 5826653 |
Phased array approach to retrieve gases, liquids, or solids from subaqueous geologic or man-made formations |
Oct. 27, 1998 |
| 5803171 |
Modified continuous drive drainage process |
Sep. 8, 1998 |
| 5669444 |
Chemically induced stimulation of coal cleat formation |
Sep. 23, 1997 |
| 5626191 |
Oilfield in-situ combustion process |
May. 6, 1997 |
| 5520247 |
Method of producing a fluid from an earth formation |
May. 28, 1996 |
| 5509760 |
Method of rapid purging of contaminants from a contaminated area of soil or ground water |
Apr. 23, 1996 |
| 5503226 |
Process for recovering hydrocarbons by thermally assisted gravity segregation |
Apr. 2, 1996 |
| 5501273 |
Method for determining the reservoir properties of a solid carbonaceous subterranean formation |
Mar. 26, 1996 |
| 5468088 |
Feedback control of groundwater remediation |
Nov. 21, 1995 |
| 5456315 |
Horizontal well gravity drainage combustion process for oil recovery |
Oct. 10, 1995 |
| 5417283 |
Mixed well steam drive drainage process |
May. 23, 1995 |
| 5411086 |
Oil recovery by enhanced imbitition in low permeability reservoirs |
May. 2, 1995 |
| 5411089 |
Heat injection process |
May. 2, 1995 |
| 5392854 |
Oil recovery process |
Feb. 28, 1995 |
| 5370478 |
Process for isolating contaminated soil |
Dec. 6, 1994 |
| 5339897 |
Recovery and upgrading of hydrocarbon utilizing in situ combustion and horizontal wells |
Aug. 23, 1994 |
| 5322128 |
Method of forming well regions |
Jun. 21, 1994 |
| 5320170 |
Oil recovery process employing horizontal and vertical wells in a modified inverted 5-spot pattern |
Jun. 14, 1994 |
| 5305829 |
Oil production from diatomite formations by fracture steamdrive |
Apr. 26, 1994 |
| 5297626 |
Oil recovery process |
Mar. 29, 1994 |
| 5273111 |
Laterally and vertically staggered horizontal well hydrocarbon recovery method |
Dec. 28, 1993 |
| 5246071 |
Steamflooding with alternating injection and production cycles |
Sep. 21, 1993 |
| 5217076 |
Method and apparatus for improved recovery of oil from porous, subsurface deposits (targevcir oricess) |
Jun. 8, 1993 |
| 5211230 |
Method for enhanced oil recovery through a horizontal production well in a subsurface formation by in-situ combustion |
May. 18, 1993 |
| 5201815 |
Enhanced oil recovery method using an inverted nine-spot pattern |
Apr. 13, 1993 |
| 5174377 |
Method for optimizing steamflood performance |
Dec. 29, 1992 |
| 5101898 |
Well placement for steamflooding steeply dipping reservoirs |
Apr. 7, 1992 |
| 5085274 |
Recovery of methane from solid carbonaceous subterranean of formations |
Feb. 4, 1992 |
| 5074360 |
Method for repoducing hydrocarbons from low-pressure reservoirs |
Dec. 24, 1991 |
| 5065821 |
Gas flooding with horizontal and vertical wells |
Nov. 19, 1991 |
| 5060726 |
Method and apparatus for producing tar sand deposits containing conductive layers having little or no vertical communication |
Oct. 29, 1991 |
| 5042579 |
Method and apparatus for producing tar sand deposits containing conductive layers |
Aug. 27, 1991 |
| 5033546 |
Production simulation process by pilot test in a hydrocarbon deposit |
Jul. 23, 1991 |
| 5025859 |
Overlapping horizontal fracture formation and flooding process |
Jun. 25, 1991 |
| 5020596 |
Enhanced oil recovery system with a radiant tube heater |
Jun. 4, 1991 |
| 5016709 |
Process for assisted recovery of heavy hydrocarbons from an underground formation using drilled wells having an essentially horizontal section |
May. 21, 1991 |
| 5016710 |
Method of assisted production of an effluent to be produced contained in a geological formation |
May. 21, 1991 |
| 5014785 |
Methane production from carbonaceous subterranean formations |
May. 14, 1991 |
| 5014784 |
Steamflooding in multi layered reservoirs |
May. 14, 1991 |
| 5009266 |
Method for in situ contaminant extraction from soil |
Apr. 23, 1991 |
| 4986352 |
Intermittent steam injection |
Jan. 22, 1991 |
| 4971150 |
Foam injection into a gravity override zone for improved hydrocarbon production |
Nov. 20, 1990 |
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