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Class Information
Number: 507/934
Name: Earth boring, well treating, and oil field chemistry > Acidizing or formation destroying > With inhibitor
Description: Subject matter under art collection 933 wherein the acidizing or formation destroying composition includes a material added specifically to inhibit undesirable activity caused by the acid (e.g., corrosion, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575054 |
Self diverting matrix acid |
Aug. 18, 2009 |
| 7481276 |
Method of inhibiting and/or preventing corrosion in oilfield treatment applications |
Jan. 27, 2009 |
| 7216710 |
Thiol/aldehyde corrosion inhibitors |
May. 15, 2007 |
| 7165613 |
Propped fracture with high effective surface area |
Jan. 23, 2007 |
| 7086469 |
Increasing reaction efficiency of acetic acid |
Aug. 8, 2006 |
| 7073588 |
Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids |
Jul. 11, 2006 |
| 6924255 |
Composition and method for treating a subterranean formation |
Aug. 2, 2005 |
| 6806236 |
Composition and method for treating a subterranean formation |
Oct. 19, 2004 |
| 6706669 |
Method for inhibiting corrosion using phosphorous acid |
Mar. 16, 2004 |
| 6706668 |
Electron transfer agents in well acidizing compositions and methods |
Mar. 16, 2004 |
| 6593278 |
Method for inhibiting corrosion using certain phosphorus and sulfur-free compounds |
Jul. 15, 2003 |
| 6534448 |
Composition and method for acidizing wells and equipment without damaging precipitation |
Mar. 18, 2003 |
| 6315045 |
Methods and acidizing compositions for reducing metal surface corrosion and sulfide precipitation |
Nov. 13, 2001 |
| 6117364 |
Acid corrosion inhibitor |
Sep. 12, 2000 |
| 6068056 |
Well treatment fluids comprising mixed aldehydes |
May. 30, 2000 |
| 6060435 |
Solubilized and regenerating iron reducing additive |
May. 9, 2000 |
| 6056896 |
Metal corrosion inhibitor for use in aqueous acid solutions |
May. 2, 2000 |
| 5976416 |
Corrosion inhibited organic acid compositions and methods |
Nov. 2, 1999 |
| 5961885 |
Solutions and methods for inhibiting corrosion |
Oct. 5, 1999 |
| 5916484 |
Metal corrosion inhibited organic acid compositions |
Jun. 29, 1999 |
| 5792420 |
Metal corrosion inhibitor for use in aqueous acid solutions |
Aug. 11, 1998 |
| 5783526 |
Process to enhance removal of adhering solids from the surface of wellbores and sand control devices therein |
Jul. 21, 1998 |
| 5763368 |
Corrosion inhibited well acidizing compositions and methods |
Jun. 9, 1998 |
| 5756004 |
Quaternary ammonium compounds useful for inhibiting metal corrosion |
May. 26, 1998 |
| 5622921 |
Anionic compositions for sludge prevention and control during acid stimulation of hydrocarbon wells |
Apr. 22, 1997 |
| 5543388 |
Intensified corrosion inhibitor and method of use |
Aug. 6, 1996 |
| 5520251 |
Method for acidizing oil producing formations |
May. 28, 1996 |
| 5441929 |
Hydrochloric acid acidizing composition and method |
Aug. 15, 1995 |
| 5366643 |
Method and composition for acidizing subterranean formations |
Nov. 22, 1994 |
| 5346010 |
Precipitation of scale inhibitors in subterranean formations |
Sep. 13, 1994 |
| 5336441 |
Corrosion inhibition in highly acidic environments by use of pyridine salts in combination with certain cationic surfactants |
Aug. 9, 1994 |
| 5264141 |
Methods of reducing precipitation from acid solutions |
Nov. 23, 1993 |
| 5209859 |
Inhibited acid system for acidizing wells |
May. 11, 1993 |
| 5200096 |
Method of inhibiting corrosion in acidizing wells |
Apr. 6, 1993 |
| 5096618 |
Process and composition for inhibiting high-temperature iron and steel corrosion |
Mar. 17, 1992 |
| 5089153 |
Method of inhibiting corrosion in acidizing wells |
Feb. 18, 1992 |
| 5063997 |
Method of preventing precipitation of iron compounds during acid treatment of wells |
Nov. 12, 1991 |
| 5058678 |
Method for preventing the formation of sludge in crude oil |
Oct. 22, 1991 |
| 5009799 |
Inorganic acid solution viscosifier and corrosion inhibitor and method |
Apr. 23, 1991 |
| 4997040 |
Corrosion inhibition using mercury intensifiers |
Mar. 5, 1991 |
| 4949790 |
Compositions and method for controlling precipitation when acidizing sour wells |
Aug. 21, 1990 |
| 4888121 |
Compositions and method for controlling precipitation when acidizing sour wells |
Dec. 19, 1989 |
| 4871024 |
Fluid for treatment of a subterranean well for enhancement of production |
Oct. 3, 1989 |
| 4823874 |
Reducing sludging during oil well acidizing |
Apr. 25, 1989 |
| 4790958 |
Chemical method of ferric ion removal from acid solutions |
Dec. 13, 1988 |
| 4734259 |
Mixtures of .alpha.,.beta.-unsaturated aldehides and surface active agents used as corrosion inhibitors in aqueous fluids |
Mar. 29, 1988 |
| 4698168 |
Corrosion inhibitor for well acidizing treatments |
Oct. 6, 1987 |
| 4670186 |
Acid inhibitor composition |
Jun. 2, 1987 |
| 4663059 |
Composition and method for reducing sludging during the acidizing of formations containing sludging crude oils |
May. 5, 1987 |
| 4633949 |
Method of preventing precipitation of ferrous sulfide and sulfur during acidizing |
Jan. 6, 1987 |
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