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Class Information
Number: 507/111
Name: Earth boring, well treating, and oil field chemistry > Earth boring > Contains organic component > Organic component is carbohydrate or derivative thereof (e.g., sugar or gum, such as galactomannan, xanthan, etc.) or carboxylic acid ester of an alcohol which has five or more hydroxy groups bonded directly to carbons > Carbohydrate is starch or derivative thereof
Description: Composition wherein said carbohydrate is starch or a derivative thereof such as modified starch.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7462581 |
Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
Dec. 9, 2008 |
| 7449429 |
System for treating petroleum and petrochemical slop oil and sludge wastes |
Nov. 11, 2008 |
| 7427582 |
Internal breaker |
Sep. 23, 2008 |
| 7332458 |
Drilling fluid |
Feb. 19, 2008 |
| 7323434 |
Electropositive production well treating fluid and method of preparing the same |
Jan. 29, 2008 |
| 7320951 |
Silica-based drilling mud comprising glycoside lubricants with amino-linked alkyl chains |
Jan. 22, 2008 |
| 7265078 |
Drilling fluid apparatus and method |
Sep. 4, 2007 |
| 7214647 |
Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use |
May. 8, 2007 |
| 7211546 |
Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use |
May. 1, 2007 |
| 7148183 |
Surfactant-polymer composition for substantially solid-free water based drilling, drill-in, and completion fluids |
Dec. 12, 2006 |
| 7131492 |
Divinyl sulfone crosslinking agents and methods of use in subterranean applications |
Nov. 7, 2006 |
| 7036588 |
Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
May. 2, 2006 |
| 7033977 |
Compositions and methods for sealing formations |
Apr. 25, 2006 |
| 7033976 |
Fluid system additive |
Apr. 25, 2006 |
| 6933262 |
Controlled hydration of starch in high density brine dispersion |
Aug. 23, 2005 |
| 6897186 |
Composition and method for dual function soil grouting excavating or boring fluid |
May. 24, 2005 |
| 6884760 |
Water based wellbore fluids |
Apr. 26, 2005 |
| 6831043 |
High performance water based drilling mud and method of use |
Dec. 14, 2004 |
| 6825152 |
Method for creating dense drilling fluid additive and composition therefor |
Nov. 30, 2004 |
| 6818597 |
Suspensions of water soluble polymers in surfactant free non-aqueous solvents |
Nov. 16, 2004 |
| 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 |
| 6806231 |
Drilling fluid, apparatus, and method |
Oct. 19, 2004 |
| 6800593 |
Hydrophilic polymer concentrates |
Oct. 5, 2004 |
| 6784140 |
Thermally stable, substantially water-free well fluid |
Aug. 31, 2004 |
| 6764981 |
Well treatment fluid and methods with oxidized chitosan-based compound |
Jul. 20, 2004 |
| 6737385 |
Well drilling and servicing fluids and methods of removing filter cake deposited thereby |
May. 18, 2004 |
| 6723683 |
Compositions for controlled release |
Apr. 20, 2004 |
| 6620769 |
Environmentally acceptable fluid polymer suspension for oil field services |
Sep. 16, 2003 |
| 6609578 |
Shale hydration inhibition agent and method of use |
Aug. 26, 2003 |
| 6586587 |
Ligand-modified cellulose products |
Jul. 1, 2003 |
| 6576597 |
Method of increasing the low shear rate viscosity and shear thinning index of divalent cation-containing fluids and the fluids obtained thereby |
Jun. 10, 2003 |
| 6518223 |
Drilling fluid, apparatus, and method |
Feb. 11, 2003 |
| 6495493 |
Non-damaging drilling fluids |
Dec. 17, 2002 |
| 6492305 |
Method of controlling loss of a subterranean treatment fluid |
Dec. 10, 2002 |
| 6461999 |
Starch-containing lubricant systems for oil field applications |
Oct. 8, 2002 |
| 6451743 |
Stable liquid suspension compositions and method of making and use thereof |
Sep. 17, 2002 |
| 6420319 |
Well treatment method employing new and improved drilling fluids and additives therefor |
Jul. 16, 2002 |
| 6391830 |
Divalent cation-containing well drilling and servicing fluids |
May. 21, 2002 |
| 6300286 |
Divalent cation-containing well drilling and service fluid |
Oct. 9, 2001 |
| 6281172 |
Quaternary nitrogen containing amphoteric water soluble polymers and their use in drilling fluids |
Aug. 28, 2001 |
| 6248697 |
Composition and method for a dual-function soil-grouting excavating or boring fluid |
Jun. 19, 2001 |
| 6180571 |
Fluid loss control additives and subterranean treatment fluids containing the same |
Jan. 30, 2001 |
| 6133203 |
Drilling fluids and additives therefor |
Oct. 17, 2000 |
| 6124244 |
Clear brine drill-in fluid |
Sep. 26, 2000 |
| 6054416 |
Drilling fluids comprising biodegradable heteropolyglycols |
Apr. 25, 2000 |
| 5955401 |
Clay-free biodegradable wellbore fluid and method for using same fluid |
Sep. 21, 1999 |
| 5851959 |
High temperature stable modified starch polymers and well drilling fluids employing same |
Dec. 22, 1998 |
| 5849674 |
Compositions and processes for oil field applications |
Dec. 15, 1998 |
| 5821203 |
Foamed drilling fluids, their process for preparation and the corresponding drilling method |
Oct. 13, 1998 |
| 5804535 |
Well drilling and servicing fluids and methods of increasing the low shear rate viscosity thereof |
Sep. 8, 1998 |
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