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Class Information
Number: 507/100
Name: Earth boring, well treating, and oil field chemistry > Earth boring
Description: Earth boring composition which is (a) a liquid, gas, or fluid solid composition or compositional additive therefor which is specialized and designed for use in earth boring while drilling is in progress, e.g., a well drilling mud; (b) process of preparing said composition; or (c) mere method of use of said composition or a compound for the purpose of (a) above.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7580797 |
Subsurface layer and reservoir parameter measurements |
Aug. 25, 2009 |
| 7576038 |
Well drilling fluids |
Aug. 18, 2009 |
| 7470419 |
Granules of powdery mineral and method for production of granules |
Dec. 30, 2008 |
| 7452417 |
Downhole servicing compositions having high thermal conductivities and methods of using the same |
Nov. 18, 2008 |
| 7449431 |
Additive for increasing the density of a fluid for casing annulus pressure control |
Nov. 11, 2008 |
| 7067004 |
Grout compositions having high thermal conductivities and methods of using the same |
Jun. 27, 2006 |
| 7056869 |
Hydrocarbon fluids |
Jun. 6, 2006 |
| 7049436 |
Carbon dioxide compatible non-aqueous crosslinked fracturing fluids and methods for their use |
May. 23, 2006 |
| 7030064 |
Bentonite nodules |
Apr. 18, 2006 |
| 6818594 |
Method for the triggered release of polymer-degrading agents for oil field use |
Nov. 16, 2004 |
| 6613720 |
Delayed blending of additives in well treatment fluids |
Sep. 2, 2003 |
| 6586372 |
Additive for increasing the density of a fluid and fluid comprising such additive |
Jul. 1, 2003 |
| 6562763 |
Method and apparatus for homogenizing drilling fluid in an open-loop process |
May. 13, 2003 |
| 6462096 |
Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties containing said additives |
Oct. 8, 2002 |
| 6399544 |
High solids bentonite slurries and method for preparing same |
Jun. 4, 2002 |
| 6337308 |
Method and apparatus for homogenizing drilling fluid in an open-loop process |
Jan. 8, 2002 |
| 6284714 |
Pumpable multiple phase compositions for controlled release applications downhole |
Sep. 4, 2001 |
| 5888943 |
Drilling compositions and methods |
Mar. 30, 1999 |
| 5837654 |
High temperature environmentally benign drilling fluid, and viscosifying additives for use therewith |
Nov. 17, 1998 |
| 5798319 |
High stability and low metals esters based on 3,5,5-trimethyl-1-hexanol |
Aug. 25, 1998 |
| 5785747 |
Viscosification of high density brines |
Jul. 28, 1998 |
| 5776865 |
Emulsifiable oil |
Jul. 7, 1998 |
| 5652200 |
Water based drilling fluid additive and methods of using fluids containing additives |
Jul. 29, 1997 |
| 5570743 |
Continuous multi-component slurrying process at oil or gas well |
Nov. 5, 1996 |
| 5554721 |
Acid catalyzed process for preparing amino acid polymers |
Sep. 10, 1996 |
| 5522459 |
Continuous multi-component slurrying process at oil or gas well |
Jun. 4, 1996 |
| 5518996 |
Fluids for oilfield use having high-solids content |
May. 21, 1996 |
| 5426079 |
Method of improving water-swellable clay properties by re-drying, compositions and articles |
Jun. 20, 1995 |
| 5318953 |
Method of improving water-swellable clay properties by re-drying, compositions and articles |
Jun. 7, 1994 |
| 5312807 |
Method of improving absorption of salt water by water-swellable clay by redrying |
May. 17, 1994 |
| 5076852 |
Cementing oil and gas wells |
Dec. 31, 1991 |
| 5075033 |
Processes for preparing organophilic clay gellants |
Dec. 24, 1991 |
| 5004553 |
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor |
Apr. 2, 1991 |
| 4956160 |
Process for removal of hydrogen sulphide using specific iron oxides |
Sep. 11, 1990 |
| 4888120 |
Water-based drilling and well-servicing fluids with swellable, synthetic layer silicates |
Dec. 19, 1989 |
| 4498995 |
Lost circulation drilling fluid |
Feb. 12, 1985 |
| 4462470 |
Extrusion of bentonite clay for fluid loss reduction in drilling fluids |
Jul. 31, 1984 |
| 4460052 |
Prevention of lost circulation of drilling muds |
Jul. 17, 1984 |
| 4422855 |
Method of thickening solutions using normally nongelling clays |
Dec. 27, 1983 |
| 4411530 |
System and method for rapid beneficiation of Bentonite clay |
Oct. 25, 1983 |
| 4405468 |
Placid shale weighting agent for water base drilling mud |
Sep. 20, 1983 |
| 4371626 |
Method of upgrading crude sodium bentonite |
Feb. 1, 1983 |
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