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Class Information
Number: 507/910
Name: Earth boring, well treating, and oil field chemistry > Earth boring fluid devoid of discrete aqueous phase
Description: Subject matter wherein the earth boring fluid is devoid of a discrete aqueous phase.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7585817 |
Compositions and methods for improving the productivity of hydrocarbon producing wells using a non-ionic fluorinated polymeric surfactant |
Sep. 8, 2009 |
| 7524796 |
Environmentally acceptable polymer suspensions for oil field applications |
Apr. 28, 2009 |
| 7341106 |
Methods for wellbore strengthening and controlling fluid circulation loss |
Mar. 11, 2008 |
| 7311158 |
Silicate-containing additives for well bore treatments and associated methods |
Dec. 25, 2007 |
| 7178610 |
Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations |
Feb. 20, 2007 |
| 7134496 |
Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion |
Nov. 14, 2006 |
| 6422325 |
Method for reducing borehole erosion in shale formations |
Jul. 23, 2002 |
| 6251288 |
Methods of drilling a bore hole and dehydrating drilling fluids |
Jun. 26, 2001 |
| 6148917 |
Method of releasing stuck pipe or tools and spotting fluids therefor |
Nov. 21, 2000 |
| 5909779 |
Oil-based drilling fluids suitable for drilling in the presence of acidic gases |
Jun. 8, 1999 |
| 5846913 |
Invert biodegradable n-alkane(s) wellbore fluid containing less than 10 percent by weight of cycloparaffing isoparaffing and aromatic compounds, and method of drilling with such fluid |
Dec. 8, 1998 |
| 5826669 |
Drilling fluid loss prevention and lubrication additive |
Oct. 27, 1998 |
| 5718841 |
Organoclay compositions manufactured with organic acid derived ester quaternary ammonium compounds |
Feb. 17, 1998 |
| 5671810 |
Composition and method for relief of differential sticking during drilling |
Sep. 30, 1997 |
| 5635457 |
Non-toxic, inexpensive synthetic drilling fluid |
Jun. 3, 1997 |
| 5556832 |
Solids-free, essentially all-oil wellbore fluid |
Sep. 17, 1996 |
| 5494120 |
Glycoside-in-oil drilling fluid system |
Feb. 27, 1996 |
| 5096883 |
Oil-base drilling fluid comprising branched chain paraffins such as the dimer of 1-decene |
Mar. 17, 1992 |
| 5079100 |
Wear resistant coatings for engine components and a process for producing such coatings |
Jan. 7, 1992 |
| 5076944 |
Seepage loss reducing additive for well working compositions and uses thereof |
Dec. 31, 1991 |
| 5075033 |
Processes for preparing organophilic clay gellants |
Dec. 24, 1991 |
| 5071575 |
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor |
Dec. 10, 1991 |
| H837 |
Drilling fluids based on polymer complexes |
Nov. 6, 1990 |
| 4900456 |
Well bore fluid |
Feb. 13, 1990 |
| 4876030 |
Organophilic clay suspension medium |
Oct. 24, 1989 |
| 4839096 |
Low toxicity oil composition and use thereof in drilling fluids |
Jun. 13, 1989 |
| 4740319 |
Oil base drilling fluid composition |
Apr. 26, 1988 |
| 4671883 |
Fluid loss control additives for oil-based well-working fluids |
Jun. 9, 1987 |
| 4637883 |
Fluid loss additives for oil base muds and low fluid loss compositions thereof |
Jan. 20, 1987 |
| 4631136 |
Non-polluting non-toxic drilling fluid compositions and method of preparation |
Dec. 23, 1986 |
| 4579669 |
High temperature drilling fluids based on sulfonated thermoplastic polymers |
Apr. 1, 1986 |
| 4537688 |
Low and high temperature drilling fluids based on sulfonated terpolymer ionomers |
Aug. 27, 1985 |
| 4525285 |
Method of preventing loss of an oil-base drilling fluid during the drilling of an oil or gas well into a subterranean formation |
Jun. 25, 1985 |
| 4501672 |
Organic compounds |
Feb. 26, 1985 |
| 4498995 |
Lost circulation drilling fluid |
Feb. 12, 1985 |
| 4481121 |
Viscosifier for oil base drilling fluids |
Nov. 6, 1984 |
| 4428843 |
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor |
Jan. 31, 1984 |
| 4425455 |
Drilling fluids based on powdered sulfonated thermoplastic polymers |
Jan. 10, 1984 |
| 4425462 |
Drilling fluids based on sulfonated elastomeric polymers |
Jan. 10, 1984 |
| 4425463 |
Drilling fluids based on a mixture of sulfonated thermoplastic polymer and an amine-treated clay |
Jan. 10, 1984 |
| 4036764 |
Method of foam drilling using a sulfoacetate foaming agent |
Jul. 19, 1977 |
| 4013568 |
Composition and method for drilling formations containing geothermal fluid |
Mar. 22, 1977 |
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