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Class Information
Number: 507/939
Name: Earth boring, well treating, and oil field chemistry > Corrosion inhibitor
Description: Subject matter wherein the well treating composition prevents or decreases corrosion in the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624805 |
Method of inhibiting corrosion in a conduit |
Dec. 1, 2009 |
| 7615102 |
Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity |
Nov. 10, 2009 |
| 7566687 |
Methods and compositions for removing sulfur from liquid hydrocarbons |
Jul. 28, 2009 |
| 7481276 |
Method of inhibiting and/or preventing corrosion in oilfield treatment applications |
Jan. 27, 2009 |
| 7473672 |
Well treatment process |
Jan. 6, 2009 |
| 7381689 |
Methods for inhibiting hydrate blockage in oil and gas pipelines using amide compounds |
Jun. 3, 2008 |
| 7341617 |
Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability |
Mar. 11, 2008 |
| 7244693 |
Well treatment |
Jul. 17, 2007 |
| 7216710 |
Thiol/aldehyde corrosion inhibitors |
May. 15, 2007 |
| 7196040 |
Microcapsule well treatment |
Mar. 27, 2007 |
| 7022652 |
Compositions and methods for treating subterranean formations |
Apr. 4, 2006 |
| 7008561 |
Ether carboxylic acids based on alkoxylated mercaptobenzothiazoles and use of the same as corrosion inhibitors |
Mar. 7, 2006 |
| 6995120 |
Scale control composition for high scaling environments |
Feb. 7, 2006 |
| 6939483 |
Brine fluids with improved corrosion properties |
Sep. 6, 2005 |
| 6894008 |
Method of increasing pH of high-density brines |
May. 17, 2005 |
| 6887840 |
Iron sulfide clean-up composition and method |
May. 3, 2005 |
| 6866797 |
Corrosion inhibitors and methods of use |
Mar. 15, 2005 |
| 6764980 |
Coated products and use thereof in oil fields |
Jul. 20, 2004 |
| 6743756 |
Suspensions of particles in non-aqueous solvents |
Jun. 1, 2004 |
| 6723683 |
Compositions for controlled release |
Apr. 20, 2004 |
| 6706669 |
Method for inhibiting corrosion using phosphorous acid |
Mar. 16, 2004 |
| 6695897 |
Corrosion resistant system for performance drilling fluids utilizing formate brine |
Feb. 24, 2004 |
| 6620341 |
Corrosion inhibitors for use in oil and gas wells and similar applications |
Sep. 16, 2003 |
| 6613720 |
Delayed blending of additives in well treatment fluids |
Sep. 2, 2003 |
| 6593278 |
Method for inhibiting corrosion using certain phosphorus and sulfur-free compounds |
Jul. 15, 2003 |
| 6583091 |
Method for inhibiting corrosion using 4-sulfophthalic acid |
Jun. 24, 2003 |
| 6559104 |
Method for inhibiting corrosion using certain aromatic acidic species |
May. 6, 2003 |
| 6555506 |
Corrosion inhibitors |
Apr. 29, 2003 |
| 6540943 |
Method of inhibiting corrosion of metal equipment which is cleaned with an inorganic acid |
Apr. 1, 2003 |
| 6537950 |
Method for inhibiting corrosion using triphenylstibine |
Mar. 25, 2003 |
| 6475431 |
Corrosion inhibitors with low environmental toxicity |
Nov. 5, 2002 |
| 6467492 |
Corrosion inhibitors |
Oct. 22, 2002 |
| 6436880 |
Well treatment fluids comprising chelating agents |
Aug. 20, 2002 |
| 6436877 |
Hydrate inhibition |
Aug. 20, 2002 |
| 6399547 |
Well treatment fluids comprising mixed aldehydes |
Jun. 4, 2002 |
| 6380136 |
Coated products and use thereof in oil fields |
Apr. 30, 2002 |
| 6326335 |
Microencapsulated oil field chemicals |
Dec. 4, 2001 |
| 6315045 |
Methods and acidizing compositions for reducing metal surface corrosion and sulfide precipitation |
Nov. 13, 2001 |
| 6299836 |
Gas treating solution corrosion inhibitor |
Oct. 9, 2001 |
| 6279656 |
Downhole chemical delivery system for oil and gas wells |
Aug. 28, 2001 |
| 6248700 |
Carboxylate-based well bore treatment fluids |
Jun. 19, 2001 |
| 6239081 |
Alkali-metal-carboxylate-containing drilling fluid having improved corrosion properties |
May. 29, 2001 |
| 6209643 |
Method of controlling particulate flowback in subterranean wells and introducing treatment chemicals |
Apr. 3, 2001 |
| 6135207 |
Well treatment pellets |
Oct. 24, 2000 |
| 6117364 |
Acid corrosion inhibitor |
Sep. 12, 2000 |
| 6059992 |
Gas treating solution corrosion inhibitor |
May. 9, 2000 |
| 6056896 |
Metal corrosion inhibitor for use in aqueous acid solutions |
May. 2, 2000 |
| 6022494 |
Process for decreasing the acid content and corrosivity of crudes |
Feb. 8, 2000 |
| 5990050 |
Water soluble invert emulsions |
Nov. 23, 1999 |
| 5976416 |
Corrosion inhibited organic acid compositions and methods |
Nov. 2, 1999 |
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