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Class Information
Number: 507/108
Name: Earth boring, well treating, and oil field chemistry > Earth boring > Contains organic component > Organic component is lignin or humate or derivative thereof (e.g., tannin, quebracho extract, etc.) > Lignin or humate component contains sulfur or is reacted with substance containing sulfur (e.g., lignosulfonate, etc.)
Description: Composition wherein the lignin or humate component contains sulfur or has been reacted with a substance containing sulfur (e.g., lignosulf(on)ate, sulfoalkylated humates, such as sulfomethylated quebracho, sulfite liquor, etc.).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7576039 |
Additive for 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 |
| 7351680 |
High performance water-based mud system |
Apr. 1, 2008 |
| 7198805 |
Method for producing humic acid salts |
Apr. 3, 2007 |
| 7067004 |
Grout compositions having high thermal conductivities and methods of using the same |
Jun. 27, 2006 |
| 7060660 |
Drilling fluid additive system containing talc and graphite |
Jun. 13, 2006 |
| 7056867 |
Drilling fluid additive system containing graphite and carrier |
Jun. 6, 2006 |
| 6887832 |
Method of formulating and using a drilling mud with fragile gels |
May. 3, 2005 |
| 6852675 |
Nutrient source for marine organisms from drilling fluids additives |
Feb. 8, 2005 |
| 6825152 |
Method for creating dense drilling fluid additive and composition therefor |
Nov. 30, 2004 |
| 6809067 |
Composition for oil and gas drilling fluids with solidification agent, cell transport agent and cellulosic additive |
Oct. 26, 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 |
| 6797675 |
Composition for oil and gas drilling fluids with solidification agent and cellulose additive |
Sep. 28, 2004 |
| 6737384 |
Drilling fluid additive system containing talc and cellulose |
May. 18, 2004 |
| 6734144 |
Solids-stabilized water-in-oil emulsion and method for using same |
May. 11, 2004 |
| 6734145 |
Drilling fluid additive system containing talc & carrier |
May. 11, 2004 |
| 6309455 |
Stable suspension of hydrocolloids and superplasticizer |
Oct. 30, 2001 |
| 6106603 |
Stable suspension of hydrocolloids and superplasticizer |
Aug. 22, 2000 |
| 5656070 |
Corrosion inhibiting compositions containing plant derived catechol complexes |
Aug. 12, 1997 |
| 5646092 |
Pretreated clays, their preparation and use in formulation drilling muds not aggressive to layer clays |
Jul. 8, 1997 |
| 5602083 |
Use of sized salts as bridging agent for oil based fluids |
Feb. 11, 1997 |
| 5399548 |
Blended drilling fluid thinner |
Mar. 21, 1995 |
| 5228524 |
Fluid system for controlling fluid losses during hydrocarbon recovery operations |
Jul. 20, 1993 |
| 5149370 |
Well cement compositions having improved properties and methods |
Sep. 22, 1992 |
| 5124312 |
Drilling fluid thinners |
Jun. 23, 1992 |
| RE33855 |
Terpolymer composition for aqueous drilling fluids |
Mar. 24, 1992 |
| RE33856 |
Terpolymer compositions for aqueous drilling fluids |
Mar. 24, 1992 |
| 4990268 |
Mixed metal hydroxides for thickening water or hydrophylic fluids |
Feb. 5, 1991 |
| 4938803 |
Vinyl grafted lignite fluid loss additives |
Jul. 3, 1990 |
| 4859362 |
Sulfomethylated lignin amines |
Aug. 22, 1989 |
| 4737295 |
Organophilic polyphenolic acid adducts |
Apr. 12, 1988 |
| 4704214 |
Drilling fluid |
Nov. 3, 1987 |
| 4678591 |
Terpolymer composition for aqueous drilling fluids |
Jul. 7, 1987 |
| 4652606 |
Water-based drilling fluids having enhanced fluid loss control |
Mar. 24, 1987 |
| 4650593 |
Water-based drilling fluids having enhanced fluid loss control |
Mar. 17, 1987 |
| 4637882 |
Polyampholytes - high temperature viscosifiers for high ionic strength drilling fluids |
Jan. 20, 1987 |
| 4597878 |
Polyphenolic acid adducts |
Jul. 1, 1986 |
| 4594168 |
Derivatives of lignosulfonic acid |
Jun. 10, 1986 |
| 4572790 |
Lubrication additive for aqueous drilling fluids |
Feb. 25, 1986 |
| 4569799 |
Process for making organophilic humate derivatives |
Feb. 11, 1986 |
| 4561985 |
Hec-bentonite compatible blends |
Dec. 31, 1985 |
| 4554080 |
Aqueous drilling fluids containing alkenyl succinic anhydrides |
Nov. 19, 1985 |
| 4540496 |
Intramolecular polymer complexes - viscosifiers for high ionic strength drilling fluids |
Sep. 10, 1985 |
| 4521578 |
Composition and method of preparation of novel aqueous drilling fluid additives |
Jun. 4, 1985 |
| 4500436 |
Saltwater and hard water bentonite mud |
Feb. 19, 1985 |
| 4478727 |
Sodium styrene sulfonate-co-sodium-n-(4-sulfophenyl)-maleimide- an improved viscosity control additive |
Oct. 23, 1984 |
| 4428843 |
Well working compositions, method of decreasing the seepage loss from such compositions, and additive therefor |
Jan. 31, 1984 |
| 4421655 |
Organophilic polyphenolic acid additives for well-working compositions |
Dec. 20, 1983 |
| 4420405 |
Water based drilling mud additive |
Dec. 13, 1983 |
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