| |
 |
|
Class Information
Number: 507/126
Name: Earth boring, well treating, and oil field chemistry > Earth boring > Contains organic component > Organic component is asphalt or a component or derivative thereof
Description: Composition wherein said organic component is asphalt or a component or derivative thereof.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576039 |
Additive for drilling fluids |
Aug. 18, 2009 |
| 6861392 |
Compositions for restoring lost circulation |
Mar. 1, 2005 |
| 6806232 |
Composition of drilling fluids comprising ground elastomeric crumb rubber material and a method of decreasing seepage and whole mud loss using such composition |
Oct. 19, 2004 |
| 6616743 |
Aqueous emulsions, with bentonite for cold application bitumen |
Sep. 9, 2003 |
| 6514916 |
Process for making sulfonated uintaite and well fluid additives including sulfonated uintaite |
Feb. 4, 2003 |
| 6395686 |
High pressure, high temperature (HPHT) fluid loss control aid for drilling fluids |
May. 28, 2002 |
| 5942467 |
Drilling fluid system containing a combination of hydrophilic carbon black/asphaltite and a refined fish oil/glycol mixture and related methods |
Aug. 24, 1999 |
| 5843872 |
Drilling fluid system and related methods |
Dec. 1, 1998 |
| 5502030 |
Liquid additive comprising a sulfonated asphalt and processes therefor and therewith |
Mar. 26, 1996 |
| RE35163 |
Water-wettable drilling mud additives containing uintaite |
Feb. 27, 1996 |
| 5180020 |
Method for inhibiting the initiation and propagation of formation fractures while drilling |
Jan. 19, 1993 |
| 5120708 |
Non-poluting anti-stick water-base drilling fluid modifier and method of use |
Jun. 9, 1992 |
| 5114597 |
Method of making a drilling fluid containing carbon black in a dispersed state |
May. 19, 1992 |
| 5114598 |
Method of making drilling fluid containing asphaltite in a dispersed state |
May. 19, 1992 |
| 5032296 |
Well treating fluids and additives therefor |
Jul. 16, 1991 |
| 5030365 |
Water-wettable drilling mud additives containing uintaite |
Jul. 9, 1991 |
| 4743383 |
Drilling fluid additives for use in hard brine environments |
May. 10, 1988 |
| 4671883 |
Fluid loss control additives for oil-based well-working fluids |
Jun. 9, 1987 |
| 4645609 |
Sulfonated asphalt/causticized lignite blend |
Feb. 24, 1987 |
| 4514308 |
Sulfonated asphalt |
Apr. 30, 1985 |
| 4502963 |
Use of certain materials as thinners in oil based drilling fluids |
Mar. 5, 1985 |
| 4474666 |
Balanced-activity improved inverse emulsion to inhibit brittle lutite hydration in oil fields |
Oct. 2, 1984 |
| 4428843 |
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor |
Jan. 31, 1984 |
| 4420405 |
Water based drilling mud additive |
Dec. 13, 1983 |
| 4404108 |
Additive for drilling fluids |
Sep. 13, 1983 |
| 4385999 |
Sulfonated gilsonite drilling mud additive |
May. 31, 1983 |
| 4356096 |
Method of enhancing the effect of liquid organic lubricants in drilling fluids |
Oct. 26, 1982 |
| 4233162 |
Oil well fluids and dispersants |
Nov. 11, 1980 |
| 4002204 |
Timing the deposition of an asphalt plugging material from an asphalt-cationic emulsion |
Jan. 11, 1977 |
| 3968043 |
Method of preparation of material for lubrication of external surface of drilling pipe |
Jul. 6, 1976 |
|
|
|
