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7470419 Granules of powdery mineral and method for production of granules  
The present application relates to granules of powdery mineral particles produced by spray granulation of a liquid slurry comprising powdery minerals particles having particle size below 10 m, at...
7452417 Downhole servicing compositions having high thermal conductivities and methods of using the same  
A downhole servicing composition comprising from about 15 percent to about 80 percent by weight of a clay, and from about 10 percent to about 75 percent by weight of a carbon source is disclosed....
7351680 High performance water-based mud system  
A drilling fluid or mud additive having several components, including leonardite (humic acid); potassium acetate; partially hydrolyzed polyacrylamide (PHPA); polyanionic cellulose polymer (PAC);...
7297662 Method and composition for inhibiting lost circulation during well operation  
A method and drilling fluid additive composition are provided for reducing lost circulation and seepage loss when synthetic or oil based drilling fluid is used. The method includes injecting...
7198805 Method for producing humic acid salts  
Humic acid salts are produced, with a high output of useful products, by a liquid-phase oxidation of the mixture of an alkaline agent with a lignin-containing plant raw material having the total...
7067155 Anti-inflammatory humate compositions and methods of use thereof  
The invention relates to an anti-inflammatory composition containing humate, such as insoluble, granular, other insoluble, or soluble humate, particularly Menefee Humate®. The invention also...
7067004 Grout compositions having high thermal conductivities and methods of using the same  
Grout slurries are provided that have high thermal conductivities of greater than about 1.4 Btu/hr-ft-° F. and low hydraulic conductivities ranging from about 5×10−9 cm/s to about 1×10−8...
7060660 Drilling fluid additive system containing talc and graphite  
A drilling fluid additive system is provided wherein the system comprises: a drilling fluid additive comprising talc, graphite and at least one carrier such as a glycol; and hydrophilic clay, a pH...
7056867 Drilling fluid additive system containing graphite and carrier  
A drilling fluid additive system is provided wherein the system is manufactured by a method comprised of admixing graphite with at least one carrier such as a polypropylene glycol or oil to create...
6825152 Method for creating dense drilling fluid additive and composition therefor  
A dense drilling fluid additive used to control lost circulation, fluid loss and/or seepage loss of drilling fluid during drilling operations is disclosed. Such additive is formed from ground base...
6818596 Dry mix for water based drilling fluid  
A drilling fluid or mud having several components, including leonardite (humic acid); potassium acetate; partially hydrolyzed polyacrylamide (PHPA); polyanionic cellulose polymer (PAC); sulfonated...
6806232 Composition of drilling fluids comprising ground elastomeric crumb rubber material and a method of decreasing seepage and whole mud loss using such composition  
Well-working fluid compositions containing certain processed inorganic, oil and water wettable ground elastomeric crumb rubber materials to decrease the seepage loss of various fluids to...
6514916 Process for making sulfonated uintaite and well fluid additives including sulfonated uintaite  
Sulfonated uintaite is prepared by sulfonating a naturally occurring uintaite charge with a sulfonating agent such as sulfur trioxide, fuming sulfuric acid, chlorosulfonic acid, oleum, or...
6395686 High pressure, high temperature (HPHT) fluid loss control aid for drilling fluids  
The invention relates to a composition comprising an HPHT fluid loss control aid, stable at elevated temperatures and which also acts as an excellent shale stabilizer, bore hold lubricant, sealant...
6258756 Salt water drilling mud and method  
A salt water drilling mud comprising a mixture salt water, a solid phase such as pre-hydrated bentonite, attapulgite, sepiolite, and extended bentonite, among others and optionally a synthetic oil,...
5942467 Drilling fluid system containing a combination of hydrophilic carbon black/asphaltite and a refined fish oil/glycol mixture and related methods  
A drilling fluid system that combines a carbon black/asphaltite/lignite mixture with a fish oil/glycol mixture; and a method for manufacturing a drilling fluid system that could be utilized with...
5843872 Drilling fluid system and related methods  
A drilling fluid system that combines a carbon black/asphaltite/lignite mixture with a fish oil/glycol mixture; and a method for manufacturing a drilling fluid system that could be utilized with...
5646092 Pretreated clays, their preparation and use in formulation drilling muds not aggressive to layer clays  
Disclosed is a process for preparing aqueous, clay-based muds, not aggressive to layer clays, which process comprises a first step in which clay is treated with an aqueous solution containing the...
RE35163 Water-wettable drilling mud additives containing uintaite  
A water-based drilling mud additive comprising a preblended combination of about 2 parts of high softening point uintaite, about 1 part of a lower softening point uintaite, about 1 part of...
5399548 Blended drilling fluid thinner  
A blended additive composition, which is useful for thinning aqueous drilling fluids, is disclosed. The composition includes a first component selected from the group including: a modified tannin,...
5149370 Well cement compositions having improved properties and methods  
Cement compositions which have improved properties such as increased stability, reduced settling tendencies, enhanced fluid loss properties and the like and methods of using such cement...
5114598 Method of making drilling fluid containing asphaltite in a dispersed state  
A process for the manufacture of a water based drilling fluid additive comprising the steps of: (a) premixing hydrophobic asphaltite and either a surfactant or a dispersant and (b) shearing...
5114597 Method of making a drilling fluid containing carbon black in a dispersed state  
A process for the manufacture of a water based drilling fluid additive comprising the steps of: (a) mixing hydrophobic carbon black and either a surfactant or a dispersant and (b) shearing the...
RE33856 Terpolymer compositions for aqueous drilling fluids  
A method of improving high temperature fluid loss and rheology stabilization of high calcium brine clay-containing oil well drilling fluids which comprises adding thereto a stabilizing amount of a...
RE33855 Terpolymer composition for aqueous drilling fluids  
A method of improving high temperature fluid loss and rheology stabilization of high calcium brine clay-containing oil well drilling fluids which comprises adding thereto a stabilizing amount of a...
5032296 Well treating fluids and additives therefor  
An additive for reducing the water loss and improving other properties of well treating fluids in high temperature subterranean environments and well treating fluids including the additive are...
4941983 Fluid loss-reducing additives for oil-based well working fluids  
A fluid loss additive for oil-based well-working fluids, the fluid loss additive comprising the product of mixing in an oil or oil based liquid, (i) lignite or humic acid (ii) (a) an oil...
4889645 Substituted-ammonium humate fluid loss control agents for oil-based drilling muds  
The disclosure is of particular substituted ammonium humates useful as fluid loss control agents in oil-based drilling fluids. The humate bears a unique compositional make-up.
4851142 Fluid loss additive for well drilling fluids  
An additive for drilling fluids employed in the deep well drilling industry, which additive comprises an organometal compound of titanium, zirconium or vanadium with humic acid and a further...
4826611 Well drilling and completion composition  
A well drilling and completion fluid having a potassium salt of a copolymer of (a) acrylic acid, or an α-substituted acrylic acid and (b) acrylate ester having the general formula CH 2 ...
4780220 Drilling and completion fluid  
A drilling mud comprises water, a gelling agent, a defoamer and at least 6% by volume of a glycerine selected from the group consisting of glycerine, polyglycerine and mixtures thereof. The...
4778608 High temperature drilling mud composition  
A composition, including a mixture of high-yield bentonite and low-yield bentonite, in a ratio of high-yield bentonite to low-yield bentonite in the range of about 10:1 to about 1:1, and preferably...
4735732 Filtration control additive for invert emulsion drilling fluids and method of preparation  
The present invention relates to a filtration control additive for use in invert emulsion drilling fluids; the method of preparing such additives; the invert emulsion drilling fluid produced...
4719021 Shale-stabilizing drilling fluids and method for producing same  
Shale-stabilizing drilling fluids for use in connection with subterranean well drilling operations. The drilling fluids contain polyvalent metal/guanidine complexes, especially aluminum/guanidine...
4704214 Drilling fluid  
In an aqueous drilling fluid, an improved thinning effect is obtained by adding a first agent comprising a mixture of a sulfoalkylated tannin or polyvalent metal complex thereof with a lignite,...
4671883 Fluid loss control additives for oil-based well-working fluids  
Fluid loss control additives for oil-based well-working fluids comprise a solubilized lignite derivative and an oil-swellable or oil-soluble polymer. The solubilized lignite derivative may be...
4659486 Use of certain materials as thinners in oil-based drilling fluids  
An additive for use with a water-in-oil emulsion type fluid to reduce the viscosity of the fluid to a desired range comprising a fatty acid polyester containing at least 300 carbon atoms.
4652606 Water-based drilling fluids having enhanced fluid loss control  
A water based drilling fluid and process for using the same comprising a mixture of water and a polymer complex, wherein the polymer complex is the reaction product of a dispersant selected from...
4645609 Sulfonated asphalt/causticized lignite blend  
A well-working fluid such as a drilling mud containing a mixture of sulfonated asphalt and a causticized lignite. The use of the mixture gives a less expensive composition than would be the case...
4599181 Humic substances with enhanced surface charge  
The electronegative surface charge of humic acid-containing materials is increased by treating the humic acid-containing material with anhydrous hydrochloric acid. The humic acid-containing...
4597878 Polyphenolic acid adducts  
The invention provides novel humic acid derivatives obtained by reacting humic acid-containing materials with a noval amide mixture comprising a polyamide and an amido-amine containing one free...
4594169 Drilling fluid additives  
Drilling fluid additives are prepared by complexing humic acids and/or lignins, with three compounds of zirconium, nickel and iron. The metal composition of the additives is 1.3 to 2.5% of...
4572789 Drilling fluid additives  
A drilling fluid additive comprising a complex compound or complex compounds, at least one compound to be selected out of a group of compounds of titanium, zirconium and hafnium belonging to group...
4531594 Method and compositions for fluid loss and seepage loss control  
Disclosed is a method of and compositions for reducing the fluid loss from a drilling fluid which allows a low colloid, enhanced penetration rate drilling fluid to be used in a drilling operation....
4501672 Organic compounds  
A fluid loss reducing additive for an oil-based well working fluid is the product of mixing together, in an oil or oil-based fluid, lignite or humic acid with an aliphatic amide or hydroxyamide, or...
4500436 Saltwater and hard water bentonite mud  
A seawater/saltwater or hard water bentonite mud for use in drilling, and process for preparing same, comprising sequentially adding to seawater, to saltwater of a chloride concentration up to...
4421655 Organophilic polyphenolic acid additives for well-working compositions  
The invention provides novel organophilic derivatives of polyphenolic compounds which are readily soluble and/or dispersible in hydrocarbons to prepare oil base well-working compositions having a...
4420405 Water based drilling mud additive  
A water based fluid additive useful in drilling mud used during drilling of an oil or gas well is disclosed, produced by reacting water at temperatures between 210°-280° F. with a mixture...
4404108 Additive for drilling fluids  
A water-based gas or oil well drilling fluid comprising an aqueous clay dispersion containing as a thinner and water loss control agent, the essentially water-soluble product obtained by heating...
4385999 Sulfonated gilsonite drilling mud additive  
A sulfonated gilsonite used in a drilling mud for drilling a well wherein the sulfonated gilsonite is prepared by reacting at a temperature between 210°-280° F. with a mixture of water, gilsonite...
Matches 1 - 50 out of 83 1 2 >