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Class Information
Number: 507/113
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 cellulose or derivative thereof > Carboxyalkylcellulose (e.g., cmc, cmhec, etc.)
Description: Composition wherein said cellulose derivative is a carboxyalkylcellulose (e.g., carboxymethylcellulose (CMC), etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622427 |
Ethoxylated raw cotton linters for completion and workover fluids |
Nov. 24, 2009 |
| 7612021 |
Methods and compositions utilizing lost-circulation materials comprising composite particulates |
Nov. 3, 2009 |
| 7550411 |
Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations |
Jun. 23, 2009 |
| 7449430 |
Fluid loss reducer for high temperature high pressure water based-mud application |
Nov. 11, 2008 |
| 7393407 |
Silicon oxide slurry and method for producing such slurry |
Jul. 1, 2008 |
| 7384892 |
Water-based drilling fluids |
Jun. 10, 2008 |
| 7332458 |
Drilling fluid |
Feb. 19, 2008 |
| 7304019 |
Concentrated suspensions |
Dec. 4, 2007 |
| 7199083 |
Self-generating foamed drilling fluids |
Apr. 3, 2007 |
| 7147067 |
Zeolite-containing drilling fluids |
Dec. 12, 2006 |
| 7018955 |
Drilling fluid, apparatus, and method |
Mar. 28, 2006 |
| 6983799 |
Method of using a swelling agent to prevent a cement slurry from being lost to a subterranean formation |
Jan. 10, 2006 |
| 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 |
| 6818597 |
Suspensions of water soluble polymers in surfactant free non-aqueous solvents |
Nov. 16, 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 |
| 6794340 |
Method for removing drill cuttings from wellbores and drilling fluids |
Sep. 21, 2004 |
| 6784140 |
Thermally stable, substantially water-free well fluid |
Aug. 31, 2004 |
| 6774089 |
Water-based drilling fluid additive containing talc and cellulose |
Aug. 10, 2004 |
| 6770601 |
Aphron-containing aqueous well drilling and servicing fluids |
Aug. 3, 2004 |
| 6737384 |
Drilling fluid additive system containing talc and cellulose |
May. 18, 2004 |
| 6620769 |
Environmentally acceptable fluid polymer suspension for oil field services |
Sep. 16, 2003 |
| 6586587 |
Ligand-modified cellulose products |
Jul. 1, 2003 |
| 6451743 |
Stable liquid suspension compositions and method of making and use thereof |
Sep. 17, 2002 |
| 6281172 |
Quaternary nitrogen containing amphoteric water soluble polymers and their use in drilling fluids |
Aug. 28, 2001 |
| 6258756 |
Salt water drilling mud and method |
Jul. 10, 2001 |
| 6247543 |
Shale hydration inhibition agent and method of use |
Jun. 19, 2001 |
| 6221152 |
Stable suspension of hydrocolloids |
Apr. 24, 2001 |
| 6180572 |
Aqueous swellable compositions of guar gum and guar gum derivatives in oleophilic liquids and their use |
Jan. 30, 2001 |
| 6172010 |
Water-based foaming composition-method for making same |
Jan. 9, 2001 |
| 6100222 |
High density, viscosified, aqueous compositions having superior stability under stress conditions |
Aug. 8, 2000 |
| 6054416 |
Drilling fluids comprising biodegradable heteropolyglycols |
Apr. 25, 2000 |
| 5981447 |
Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations |
Nov. 9, 1999 |
| 5858928 |
Gel of an apolar medium, its use for the preparation of water-based drilling fluids |
Jan. 12, 1999 |
| 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 |
| 5808052 |
Use of cellulose mixed ethers as additives for earth pressure shields |
Sep. 15, 1998 |
| 5785747 |
Viscosification of high density brines |
Jul. 28, 1998 |
| 5744428 |
Process using gellan as a filtrate reducer for water-based drilling fluids |
Apr. 28, 1998 |
| 5716910 |
Foamable drilling fluid and methods of use in well drilling operations |
Feb. 10, 1998 |
| 5710108 |
Biopolymer/oil suspension compositions utilized in aqueous-based fluids used in the oil service industry including completion and drilling fluids |
Jan. 20, 1998 |
| 5669456 |
Process and water-base fluid utilizing hydrophobically modified cellulose derivatives as filtrate reducers |
Sep. 23, 1997 |
| 5663122 |
Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives |
Sep. 2, 1997 |
| 5658859 |
Pseudoplastic mixed metal layered hydroxide fluid with fluid loss additive and method of use in penetrating the earth |
Aug. 19, 1997 |
| 5654261 |
Permeability modifying composition for use in oil recovery |
Aug. 5, 1997 |
| 5641728 |
Control of the fluid loss of well drilling and servicing fluids |
Jun. 24, 1997 |
| 5576271 |
Composition and process for stabilizing viscosity or controlling water loss of polymer-containing water based fluids |
Nov. 19, 1996 |
| 5514644 |
Polysaccharide containing fluids having enhanced thermal stability |
May. 7, 1996 |
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