Elementis Specialties, Inc.

Rhodia Limited

Schlumberger Technology Corporation

Rhodia Operations

Rhone-poulenc, Inc.

Rheox Inc.

Elements Specialties, Inc.

Elementis Specialities Inc.

David Josehph Dino

Jeffrey D Thompson

Wouter Ijdo

Edward D Magauran

Ruoxin Li

Jiang Yang

Joseph H Y Niu

Yanhui Chen

Paul-Joel Derian

Kamal Said Kamal Elsayed

Manilal S Dahanayake

Charles A Cody

Manilal S Dahayanake

Gabriela Barbara Ber

Anthony Homack

Araxi Chiavoni

Richard Geurtsen

Alart Mulder

Mark Gregory Matyi, Jr

James Michael Foley

Richard Jobbins

Paul Joel Derian

A slurry composition comprising: a base oil; a nonionic surfactant; a hydrophilic polymer; and a mixed branched alkyl organoclay composition comprising: a phyllosilicate clay; and a mixture of quaternary ammonium ions, each ion having a formula of [N&#x2014;RRRR]wherein, within such mixture of quaternary ammonium ions, one or more of R, Rand Ris each a mixture of branched alkyl groups, each branched alkyl group having 12 to 22 total carbon atoms, a linear backbone and one or more Cto Cbranching alkyl groups each attached to the linear backbone at a branching carbon position, and within each quaternary ammonium ion and within the mixture of branched alkyl groups, the Cto Cbranching alkyl groups are linked to the linear backbones at different branching carbon positions as a distribution; and wherein when one or more of Rand Ris not a branched alkyl group, Rand Rare a first linear alkyl group having 1 to 22 carbon atoms, wherein Ris selected from the group consisting of a second linear alkyl group having 1 to 6 carbon atoms, an aryl group, and combinations thereof.

Slurry compositions containing mixed branched alkyl organoclay compositions

An organoclay composition where a phyllosilicate clay is exchanged with quaternary ammonium ions having a formula of [NRRRR]wherein at least one of R, Rand Ris a mixture of branched alkyl groups.

Organoclay compositions having quaternary ammonium ion having one or more branched alkyl substituents

An oil-based drilling fluid and a method for maintaining viscosity of an oil-based drilling fluid over a temperature range of about 120&#xb0; F. to about 40&#xb0; F. The oil-based drilling fluid comprises a quaternary ammonium ion having a corresponding quaternary ammonium salt having a neat shear strength value less than 6000 lb/100 ft. The organoclay drilling fluid additive imparts a first high shear viscosity to the oil-based drilling fluid at temperatures of 40&#xb0; F. or less and imparts a second high shear viscosity to the oil-based drilling fluid at temperatures greater than or equal to 120&#xb0;, wherein the difference between the first high shear viscosity and the second high shear viscosity is less than 110%. The organoclay drilling fluid additive, further imparts a first low shear viscosity to the oil-based drilling fluid at temperatures of 40&#xb0; F. or less and imparts a second low shear viscosity to the oil-based drilling fluid at temperatures greater than or equal to 120&#xb0; F., wherein the difference between the first low shear viscosity and the second low shear viscosity is less than 50%. The quaternary ammonium salt may be selected from dimethyl dicoco ammonium salt; dimethyl dicoco ammonium chloride; dimethyl didecyl ammonium salt; dimethyl didecyl ammonium chloride and combinations thereof.

Oil based drilling fluids useful having reduced change in high shear viscosity over a wide temperature range

A method of providing a substantially constant rheological profile of an oil-based drilling fluid over a temperature range of about 120&#xb0; F. to about 40&#xb0; F., comprising adding drilling fluid additive to the drilling fluid, wherein the drilling fluid additive comprises an organoclay composition comprising: organoclay compositions where a phyllosilicate clay is exchanged with quaternary ammonium ions having a formula of [NRRRR]wherein at least one of R, Rand Ris a mixture of branched alkyl groups.

Organoclay compositions for drilling fluids useful to provide substantially constant rheology profiles to such fluids over a wide temperature range

A composite composition comprising a polymeric resin; n organoclay compositions where a phyllosilicate clay is exchanged with quaternary ammonium ions having a formula of [NRRRR]wherein at least one of R, Rand Ris a mixture of branched alkyl groups.

Composite compositions for polymers and organoclay compositions having quaternary ammonium ion having one or more branched alkyl substituents

The invention relates to a slurry concentrate which contains a viscosity enhancing polymer and organohectorite clay, which exhibits an unexpected improvement in viscosity and syneresis while exhibiting improved safety characteristics.

Slurry concentrate and associated methods of use

Viscoelastic surfactant based aqueous fluid systems useful as thickening agents in various applications, e.g. to suspend particles produced during the excavation of geologic formations. The surfactants are zwitterionic/amphoteric surfactants such as dihydroxyl alkyl glycinate, alkyl ampho acetate or propionate, alkyl betaine, alkyl amidopropyl betaine and alkylimino mono- or di-propionates derived from certain waxes, fats and oils. The thickening agent is used in conjunction with an inorganic water-soluble salt or organic additive such as phthalic acid, salicylic acid or their salts.

Viscoelastic surfactant fluids and related methods of use

A method of providing a substantially constant rheological profile of a drilling fluid over a temperature range of about 120&#xb0; F. to about 40&#xb0; F. includes adding a drilling fluid additive to the drilling fluid, wherein the drilling fluid additive includes the reaction product of a carboxylic acid with at least two carboxylic moieties; and a polyamine having an amine functionality of two or more. A composition, such as an oil based drilling fluid, includes the reaction product of a carboxylic acid with at least two carboxylic moieties and a polyamine having an amine functionality of two or more.

Equivalent circulating density control in deep water drilling

A composition and method of fracturing a subterranean formation. The composition includes: about 0.25 wt. % to about 3.0 wt. %, based on a weight of the hydrocarbon liquid, of a mixture of phosphate esters, said esters selected from the group consisting of: monoester PO(OR)(OH), PO(OR)(OH); diester PO(OH)(OR)(OR)where m=0, 1, or 2; triester PO(OH)(OR)(OR)where n=0, 1, 2 or 3; and phosphoric acid HPOwherein Rand Reach have 2 to 18 carbon atoms; and about 0.2 wt. % to about 1.0 wt. %, based on the weight of the hydrocarbon liquid, of an acidic polynuclear aluminum compound having an Al:Cl mole ratio ranging from about 1.40:1 to about 2.2:1. The composition is added to a hydrocarbon liquid to fracture the subterranean formation with this hydrocarbon liquid. The hydrocarbon liquid containing the composition exhibits a substantially constant viscosity.

Phosphate ester oil gellant

An additive composition including a synergistic combination of a hectorite organoclay composition and an attapulgite organoclay composition. The hectorite organoclay composition includes (i) a first organic cation provided by an alkoxylated quaternary ammonium salt; and ii) a second organic cation wherein such second organic cation is not provided by an alkoxylated quaternary ammonium salt. The attapulgite organoclay composition includes (iii) a third organic cation provided by an alkoxylated quaternary ammonium salt; and (iv) a fourth organic cation wherein such third organic cation is not provided by an alkoxylated quaternary ammonium salt.

Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties

Growing community of inventors

Cranbury, NJ, United States of America

David Josehph Dino