CA873792A
(en)
|
|
1971-06-22 |
L. Gidley John |
Method for acidizing siliceous formations
|
US2963439A
(en)
|
1958-04-18 |
1960-12-06 |
Dow Chemical Co |
Corrosion inhibition
|
US3142335A
(en)
|
1960-07-05 |
1964-07-28 |
Halliburton Co |
Acidizing of wells
|
US3696040A
(en)
|
1970-01-16 |
1972-10-03 |
Champion Chem Inc |
Composition for removal of calcium sulfate deposits
|
US3669613A
(en)
|
1970-04-27 |
1972-06-13 |
Halliburton Co |
Method for inhibiting sulfide cracking of metals with a hydrogen sulfide-aldehyde reaction product
|
US3773465A
(en)
|
1970-10-28 |
1973-11-20 |
Halliburton Co |
Inhibited treating acid
|
US4091073A
(en)
|
1975-08-29 |
1978-05-23 |
Shell Oil Company |
Process for the removal of H2 S and CO2 from gaseous streams
|
US4169797A
(en)
|
1975-12-24 |
1979-10-02 |
Phillips Petroleum Company |
Composition for acidizing subterranean formations
|
US4137972A
(en)
|
1977-06-24 |
1979-02-06 |
Shell Oil Company |
Acidizing reservoirs while chelating iron with sulfosalicylic acid
|
US4096914A
(en)
|
1976-12-06 |
1978-06-27 |
Shell Oil Company |
Acidizing asphaltenic oil reservoirs with acids containing salicylic acid
|
FR2375227A1
(en)
|
1976-12-23 |
1978-07-21 |
Elf Aquitaine |
THIOPHENES PREPARATION PROCESS
|
US4167214A
(en)
|
1978-07-13 |
1979-09-11 |
Shell Oil Company |
Process for stably sequestering iron while acidizing a reservoir
|
US4213866A
(en)
|
1978-11-03 |
1980-07-22 |
Ashby Robert M |
Composition and process for removing sulfur scale from interstices in petroleum bearing formations and the like to improve the flow of petroleum
|
US4317735A
(en)
|
1980-03-18 |
1982-03-02 |
The Dow Chemical Company |
Method of inhibiting crosslinking of aqueous xanthan gums in the presence of ferric acid ions
|
US4574050A
(en)
|
1980-03-18 |
1986-03-04 |
Dowell Schlumberger Incorporated |
Method for preventing the precipitation of ferric compounds during the acid treatment of wells
|
US4469617A
(en)
*
|
1980-04-14 |
1984-09-04 |
The Dow Chemical Company |
Oxidizing medium for dyes
|
US4420565A
(en)
|
1980-12-31 |
1983-12-13 |
Mobil Oil Corporation |
Method for determining flow patterns in subterranean petroleum and mineral containing formations
|
US4356155A
(en)
|
1981-05-26 |
1982-10-26 |
Shell Oil Company |
Sulfur process
|
IL68362A0
(en)
|
1982-06-08 |
1983-07-31 |
Great Lakes Chemical Corp |
Corrosion inhibited high-density fluid composition
|
US4675120A
(en)
|
1982-12-02 |
1987-06-23 |
An-Son Petrochemical, Inc. |
Methods of using strong acids modified with acid solutions
|
US4511480A
(en)
|
1983-07-20 |
1985-04-16 |
Petrolite Corporation |
Corrosion inhibition in deep gas wells by phosphate esters of poly-oxyalkylated thiols
|
US5073270A
(en)
|
1984-03-15 |
1991-12-17 |
Union Oil Company Of California |
Use of reducing agents to control scale deposition from high temperature brine
|
US4537684A
(en)
|
1983-12-29 |
1985-08-27 |
Union Oil Company Of California |
Control of metal-containing scale deposition from high temperature brine
|
US4830766A
(en)
|
1984-03-15 |
1989-05-16 |
Union Oil Company Of California |
Use of reducing agents to control scale deposition from high temperature brine
|
US4661266A
(en)
|
1984-07-16 |
1987-04-28 |
Nitto Chemical Industry Co., Ltd. |
Completion and workover fluids
|
US5017281A
(en)
|
1984-12-21 |
1991-05-21 |
Tar Sands Energy Ltd. |
Treatment of carbonaceous materials
|
US4633949A
(en)
|
1985-02-12 |
1987-01-06 |
Dowell Schlumberger Incorporated |
Method of preventing precipitation of ferrous sulfide and sulfur during acidizing
|
US4646835A
(en)
|
1985-06-28 |
1987-03-03 |
Union Oil Company Of California |
Acidizing method
|
EP0212752B1
(en)
|
1985-08-14 |
1991-09-11 |
Pumptech N.V. |
Process and composition for inhibiting iron and steel corrosion
|
US4676916A
(en)
|
1985-12-02 |
1987-06-30 |
Basf Corporation |
Acidizing concentrates for oil well acidizing systems
|
US4709767A
(en)
|
1986-01-06 |
1987-12-01 |
American Colloid Company |
Production process for manufacturing low molecular weight water soluble acrylic polymers as drilling fluid additives
|
CA1275794C
(en)
|
1986-02-28 |
1990-11-06 |
Christine Perry |
Adducts of propargyl alcohol and their use as corrosion inhibitors in acidizing systems
|
US4781901A
(en)
|
1986-05-01 |
1988-11-01 |
The Dow Chemical Company |
Method and composition for the removal of hydrogen sulfide and carbon dioxide from gaseous streams
|
US4784778A
(en)
|
1986-09-30 |
1988-11-15 |
Great Lakes Chemical Corp. |
Corrosion inhibiting composition for zinc halide-based clear, high density fluids
|
US4733631B1
(en)
|
1986-09-30 |
1993-03-09 |
|
Apparatus for coating substrate devices
|
US4784779A
(en)
|
1986-09-30 |
1988-11-15 |
Great Lakes Chemical Corp. |
Corrosion inhibitors for clear, calcium-free high density fluids
|
US4762626A
(en)
|
1987-04-03 |
1988-08-09 |
Nalco Chemical Company |
Hydroxyethylacrylate/acrylate copolymers as zinc sulfide scale inhibitors
|
US4815537A
(en)
|
1987-07-02 |
1989-03-28 |
Mobil Oil Corporation |
Method for viscous hydrocarbon recovery
|
US4888121A
(en)
|
1988-04-05 |
1989-12-19 |
Halliburton Company |
Compositions and method for controlling precipitation when acidizing sour wells
|
US4949790A
(en)
|
1988-04-05 |
1990-08-21 |
Halliburton Company |
Compositions and method for controlling precipitation when acidizing sour wells
|
US4871024A
(en)
|
1988-08-01 |
1989-10-03 |
Baker Performance Chemicals Inc. |
Fluid for treatment of a subterranean well for enhancement of production
|
US4836286A
(en)
|
1988-08-15 |
1989-06-06 |
E.F.L. Electro-Flood Ltd. |
Method for removal of flow-restricting matter from hydrocarbon producing wells
|
CA1278178C
(en)
|
1989-01-04 |
1990-12-27 |
Sylvia K. Pachla |
Anti-sludging treatment
|
US5058678A
(en)
|
1990-09-28 |
1991-10-22 |
Halliburton Company |
Method for preventing the formation of sludge in crude oil
|
FR2677074B1
(en)
|
1991-06-03 |
1993-09-24 |
Schlumberger Cie Dowell |
NEW COMPOSITIONS FOR IRON CONTROL DURING ACID TREATMENTS IN OIL WELLS AND IN INDUSTRIAL CLEANING.
|
US5193180A
(en)
|
1991-06-21 |
1993-03-09 |
Pure Software Inc. |
System for modifying relocatable object code files to monitor accesses to dynamically allocated memory
|
US5622919A
(en)
*
|
1992-02-24 |
1997-04-22 |
Halliburton Company |
Composition and method for controlling precipitation when acidizing wells
|
US5264141A
(en)
|
1992-06-08 |
1993-11-23 |
Halliburton Company |
Methods of reducing precipitation from acid solutions
|
US5445221A
(en)
|
1994-04-21 |
1995-08-29 |
Plainsman Technology, Inc. |
Controlling ferric ions while acidizing subterranean formations
|
US6060435A
(en)
*
|
1996-10-28 |
2000-05-09 |
Beard; Ricky N. |
Solubilized and regenerating iron reducing additive
|
US5976416A
(en)
|
1997-05-13 |
1999-11-02 |
Halliburton Energy Services, Inc. |
Corrosion inhibited organic acid compositions and methods
|
US6415865B1
(en)
*
|
2001-03-08 |
2002-07-09 |
Halliburton Energy Serv Inc |
Electron transfer agents in well acidizing compositions and methods
|