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Class Information
Number: 166/252.1
Name: Wells > Processes > With indicating, testing, measuring or locating > Including production of earth fluid by driving fluid
Description: Indicating in which liquid or gas in the pores of the formation, before the start of the process, is caused to be pushed towards a well by another liquid or gas for flowing to the surface of the earth.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7311145 |
Re-use of recovered treating fluid |
Dec. 25, 2007 |
| 7303006 |
Method for improved vertical sweep of oil reservoirs |
Dec. 4, 2007 |
| 6904366 |
Waterflood control system for maximizing total oil recovery |
Jun. 7, 2005 |
| 6817411 |
System for displacement of water in coalbed gas reservoirs |
Nov. 16, 2004 |
| 6722431 |
In situ thermal processing of hydrocarbons within a relatively permeable formation |
Apr. 20, 2004 |
| 6675892 |
Well testing using multiple pressure measurements |
Jan. 13, 2004 |
| 6631763 |
Method and system for testing a borehole by the use of a movable plug |
Oct. 14, 2003 |
| 6615917 |
Computer controlled injection wells |
Sep. 9, 2003 |
| 6581454 |
Apparatus for measurement |
Jun. 24, 2003 |
| 6446721 |
System and method for scheduling cyclic steaming of wells |
Sep. 10, 2002 |
| 6382315 |
Method and apparatus for continuously testing a well |
May. 7, 2002 |
| 6347666 |
Method and apparatus for continuously testing a well |
Feb. 19, 2002 |
| 6325147 |
Enhanced oil recovery process with combined injection of an aqueous phase and of at least partially water-miscible gas |
Dec. 4, 2001 |
| 6318464 |
Vapor extraction of hydrocarbon deposits |
Nov. 20, 2001 |
| 5865247 |
Cellulose injection system and method |
Feb. 2, 1999 |
| 5819849 |
Method and apparatus for controlling pump operations in artificial lift production |
Oct. 13, 1998 |
| 5789663 |
Porous medium test with tracer recharging and discharging through a single well |
Aug. 4, 1998 |
| 5778977 |
Gravity concentrated carbon dioxide for process |
Jul. 14, 1998 |
| 5503226 |
Process for recovering hydrocarbons by thermally assisted gravity segregation |
Apr. 2, 1996 |
| 5439054 |
Method for treating a mixture of gaseous fluids within a solid carbonaceous subterranean formation |
Aug. 8, 1995 |
| 5419396 |
Method for stimulating a coal seam to enhance the recovery of methane from the coal seam |
May. 30, 1995 |
| 5413175 |
Stabilization and control of hot two phase flow in a well |
May. 9, 1995 |
| 5305829 |
Oil production from diatomite formations by fracture steamdrive |
Apr. 26, 1994 |
| 5214384 |
Method including electrical self potential measurements for detecting multiphase flow in a cased hole |
May. 25, 1993 |
| 5141054 |
Limited entry steam heating method for uniform heat distribution |
Aug. 25, 1992 |
| 5135052 |
Recovery of oil using microemulsions |
Aug. 4, 1992 |
| 5085274 |
Recovery of methane from solid carbonaceous subterranean of formations |
Feb. 4, 1992 |
| 5042580 |
Oil recovery process for use in fractured reservoirs |
Aug. 27, 1991 |
| 5027897 |
Method of treatment of drilled-in underground formation saturated with hydrocarbon gas |
Jul. 2, 1991 |
| 5025859 |
Overlapping horizontal fracture formation and flooding process |
Jun. 25, 1991 |
| 5009266 |
Method for in situ contaminant extraction from soil |
Apr. 23, 1991 |
| 4946606 |
Producing oil-in-water microemulsions from a microemulsion concentrate |
Aug. 7, 1990 |
| 4919206 |
Method for preventing bitumen backflow in injection wells when steam injection is interrupted |
Apr. 24, 1990 |
| 4899817 |
Miscible oil recovery process using carbon dioxide and alcohol |
Feb. 13, 1990 |
| 4889186 |
Overlapping horizontal fracture formation and flooding process |
Dec. 26, 1989 |
| 4766558 |
Method of calculating minimum miscibility pressure |
Aug. 23, 1988 |
| 4721158 |
Fluid injection control system |
Jan. 26, 1988 |
| 4703797 |
Sweep improvement in enhanced oil recovery |
Nov. 3, 1987 |
| 4676313 |
Controlled reservoir production |
Jun. 30, 1987 |
| 4653583 |
Optimum production rate for horizontal wells |
Mar. 31, 1987 |
| 4641709 |
Controlling steam distribution |
Feb. 10, 1987 |
| 4633947 |
Production of a polyacrylamide solution used in an oil recovery process |
Jan. 6, 1987 |
| 4601336 |
Process for selecting a steam foam forming surfactant |
Jul. 22, 1986 |
| 4589486 |
Carbon dioxide flooding with a premixed transition zone of carbon dioxide and crude oil components |
May. 20, 1986 |
| 4560002 |
Two dimensional microwave chemical flood testing means and method |
Dec. 24, 1985 |
| 4503909 |
Oil recovery process and system |
Mar. 12, 1985 |
| 4502538 |
Polyalkoxy sulfonate, CO.sub.2 and brine drive process for oil recovery |
Mar. 5, 1985 |
| 4482634 |
Chemical flood testing method |
Nov. 13, 1984 |
| 4473117 |
Method and apparatus for obtaining production or injection profiles |
Sep. 25, 1984 |
| 4460044 |
Advancing heated annulus steam drive |
Jul. 17, 1984 |
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