Class 507/228 - Monomer contains benzene ring and sulfonate group

Subclass of Class 507 - Earth boring, well treating, and oil field chemistry
Definition: Compositions wherein the monomer contains a benzene ring
No. of patents: 38
Last issue date: 04/08/2008

Number	Title	Issue Date
7353870	Methods of using settable compositions comprising cement kiln dust and additive(s) The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the following group: fly ash; shale; slag cement; zeolite; metakaolin; and com...	04/08/2008
7338923	Settable drilling fluids comprising cement kiln dust Settable drilling fluids that comprise an aqueous-based drilling fluid and cement kiln dust. Methods of cementing in a subterranean formation that comprise providing a settable drilling fluid comprising an aqueous-based drilling fluid and cement kiln dust, introduci...	03/04/2008
7335252	Lightweight settable compositions comprising cement kiln dust Settable compositions that comprise water, CKD, and microspheres, wherein the lightweight settable composition has a density less than about 13 pounds per gallon. Methods of cementing that comprise providing a lightweight settable composition having a density less t...	02/26/2008
7133778	Methods for selecting a cementing composition for use A method is provided for selecting a cementing composition for sealing a subterranean zone penetrated by a well bore. The method involves determining a group of effective cementing compositions from a group of cementing compositions given estimated conditions experi...	11/07/2006
7084095	Methods for controlling the rheological properties of viscoelastic surfactants based fluids It was found that the addition of polymers to viscoelastic surfactant base system allows to adjust the rheological properties of the base fluid. Depending in particular on one side of the ratio of the concentration of added polymer and the concentration of viscoelas...	08/01/2006
7056868	Hydrophobe associative polymers and compositions and methods employing them Water soluble associative polymers and compositions comprising them together with alkali metal salts of carboxylic acid are disclosed. Methods comprise introducing into a wellbore a fluid comprising such associative polymers and alkali metal salts of carboxylic acid...	06/06/2006
6994846	Composition for cosmetic or dermatological use containing a triblock polymer The present patent application relates to a cosmetic and/or dermatological composition comprising at least one aqueous phase including at least one water-soluble or water-dispersible polymer, of triblock structure B-A-B in which A is an ionic water-soluble polymer b...	02/07/2006
6908888	Viscosity reduction of viscoelastic surfactant based fluids Methods and compositions are disclosed for controlled addition of components that decrease the viscosity of the viscoelastic surfactant fluids or for controlled changes in the electrolyte concentration or composition of the viscoelastic surfactant fluids. One aspect...	06/21/2005
6852676	Well completion foamed spacer fluids and methods Well completion foamed spacer fluids and methods of using the foamed spacer fluids are provided. A method of the invention for displacing a first fluid from a well bore with an incompatible second fluid comprises the following steps. A foamed spacer fluid is placed ...	02/08/2005
6607035	Preventing flow through subterranean zones The present invention provides methods of preventing the flow of water or gas or both through a subterranean zone having a high temperature and a depth such that a long pumping time is required to place a sealing composition therein. The methods basically...	08/19/2003
6586371	Liquid compositions which reversibly viscosify or gel under the effect of shear The present invention provides a water-based fluid, in particular for drilling, completion or for any other intervention in a well such as a hydrocarbon well, in which the viscosity is controlled by a system constituted by precipitated silica nanoparticle...	07/01/2003
5948735	Use of breaker chemicals in gelled hydrocarbons Oil degradable encapsulated breaker particles are used in fracturing operations to break hydro-carbon liquid gelled with salts of alkyl phosphate esters. The preferred breaker chemical is particulate urea coated with sulfonated EPDM....	09/07/1999
5874387	Method and cement-drilling fluid cement composition for cementing a wellbore A method and a drilling fluid/cement slurry composition for cementing a wellbore. The drilling fluid/cement slurry composition comprises A cement slurry composition comprising: a) a cementitious material; b) a drilling fluid; and c) a dispersant selected from ...	02/23/1999
5866517	Method and spacer fluid composition for displacing drilling fluid from a wellbore Spacer fluids comprising a dispersant selected from the group consisting of water soluble polymers comprising allyloxybenzene sulfonate or allyloxybenzene phosphonate polymerized with at least one of acrylic acid, acrylamides, alkyl acrylamides, maleic an...	02/02/1999
5849674	Compositions and processes for oil field applications A composition and a process for treating a subterranean formation are disclosed. The process comprises injecting into the subterranean formation a composition which comprises a polymer, a crosslinking agent, a liquid, optionally a clay, and further option...	12/15/1998
5789352	Well completion spacer fluids and methods A well completion spacer fluid is provided which is particularly suitable for separating a cement slurry from drilling fluid in primary cementing operations. The well completion spacer fluid is also useful for separating other potentially incompatible flu...	08/04/1998
5654261	Permeability modifying composition for use in oil recovery A method and use for a dry composition comprising a mixture of water-soluble polymer and an aluminum citrate preparation is disclosed. The polymer is capable of cross-linking in the presence of water and aluminum ions. Any water-soluble polymer known to t...	08/05/1997
5458197	Well cleanout system and method Oil or water based drilling muds, together with other wellbore contaminants such as pipe thread sealants and lubricants are displaced from the well and the wellbore surfaces are cleaned by a system of four serially pumped fluid pills. The first stage flui...	10/17/1995
5407909	Earth support fluid composition and method for its use This invention relates to a method for preparing and earth stabilization fluid, a method for using such an earth stabilization fluid and to the earth stabilization fluid itself. This invention uses a continuous phase that has been added to a borehole and ...	04/18/1995
5399269	Gelation of water soluble polymers A gelable composition and process are disclosed that delay the gelation and increase the gel strength of gelled water soluble acrylamide-containing polymers contains: (1) a water dispersible first crosslinking compound selected from the group consisting o...	03/21/1995
5374361	Well cleanout using caustic alkyl polyglycoside compositions Oil and gas wells and injection wells are cleaned of oil-based drilling muds, pipe thread compounds, other oil contaminants, cement and contaminants in injection water by a composition comprising fresh water or seawater, one-half to ten percent concentrat...	12/20/1994
5292367	Dispersant compositions for subterranean well drilling and completion A dispersant for spacer fluids, cement slurries, completion fluids and mixtures of drilling fluids and cement slurries used for drilling and cementing subterranean wells....	03/08/1994
5113943	Spacer fluids Spacer fluids providing an effective buffer between drilling fluids and cement slurries during well completion. The spacer fluids comprise a sulfonated styrene copolymer dispersant and one or more additional components such as surfactants, viscosifiers an...	05/19/1992
5089150	Method of increasing retention of scale inhibitors in subterranean formations A novel method of injecting or squeezing a cross-linked scale inhibitor down a well into a subterranean formation which significantly lengthens its effective life is accomplished by cross-linking a carboxylic acid-containing polymeric or organophosphorus-...	02/18/1992
5030366	Spacer fluids Spacer fluids providing an effective buffer between drilling fluids and cement slurries during well completion. The spacer fluids comprise a sulfonated styrene copolymer dispersant and one or more additional components such as surfactants, viscosifiers an...	07/09/1991
4947934	Method of increasing retention of scale inhibitor in subterranean formations A method for inhibiting the formation of scale in a well penetrating a subterranean formation for the production of fluids from the formation comprising injecting into the formation an acidic aqueous solution having a pH effective to form a water-soluble ...	08/14/1990
4888120	Water-based drilling and well-servicing fluids with swellable, synthetic layer silicates Synthetic swellable layer silicates corresponding to the following formula MgO.aMA.bAl2 O3.cSiO.sub.2.nH.sub.2 O (I) in which M is Na+ and Li+ having an Na:Li ratio of at least 1; A is F-, OH- ...	12/19/1989
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 ଱-substituted acrylic acid and (b) acrylate ester having the general formula CH2 .dbd.CH--COOR where R is an alkyl or hydroxalkyl havin...	05/02/1989
4776398	Oil reservoir permeability control The permeability of a subterranean oil-bearing formation is controlled by the injection of an aqueous solution of a cross-linked block copolymer containing polar and non-polar segments, with the polar segments generally making up at least 50 percent, usua...	10/11/1988
4739834	Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes A process for fracturing a subterranean formation surrounding a gas or oil well which comprises: (a) injecting into said subterranean formation under hydraulic pressure a fluid comprising a solution of terpolymer dissolved in a solvent system, said solven...	04/26/1988
4715971	Well drilling and completion composition A well drilling and completion fluid having a potassium salt of a copolymer of (a) acrylic acid, or an ଱-substituted acrylic acid and (b) acrylate ester having the general formula CH2 .dbd.CH--COOR where R is an alkyl or hydroxyalkyl havi...	12/29/1987
4627926	Thermally stable borehole fluids A method of completing a subterranean formation of an oil or gas well to increase the recovery of hydrocarbons from the producing reservoir which comprises dissolving about 0.25 to about 20 lb/bbl of a water soluble terpolymer in an aqueous solution to vi...	12/09/1986
4574885	Agents for petroleum recovery processes Polyfunctional anionic polymers are useful for inhibiting the adsorption of surfactants and organic polymers in formations such as clay-containing oil reservoirs or clay-containing oil reservoirs which have previously been treated with polyfunctional cati...	03/11/1986
4552217	Microbiocidal anionic sequesterants with polyvalent metal cations for permeability correction process A water permeability correction process, and composition therefor, to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optical aqueous preflush slug to adjust connate water salinity, (2) an aqueous sequestere...	11/12/1985
4508629	Method of viscosifying aqueous fluids and process for recovery of hydrocarbons from subterranean formations The present invention relates to a method of viscosifying aqueous fluids and a viscosifying composition which when admixed with an aqueous fluid produces a viscosity increase in the fluid in excess of the additive viscosity of the individual composition c...	04/02/1985
4505827	Triblock polymers of the BAB type having hydrophobic association capabilities for rheological control in aqueous systems The rheology of aqueous liquids is effectively controlled by the addition to the liquid of a water-dispersible BAB triblock polymer wherein the B blocks are hydrophobic blocks such as alkyl or sulfonated poly(t-butylstyrene) and the A block is a hydrophil...	03/19/1985
4503170	Shear thickening fluid The instant invention is directed to shear thickening fluids to prevent unwanted flow in wells penetrating subterranean formations. The shear thickening fluids comprise (1) a water swellable granular clay present in sufficient quantity so that, upon inter...	03/05/1985
3984333	Oil-displacing aqueous solution thickened with reservoir-tailored block copolymer An oil recovery process in which an aqueous solution is injected into a subterranean reservoir to displace oil through the reservoir is improved by thickening the solution with a substantially linear block copolymer containing both water-soluble and water...	10/05/1976

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Class 507/228 - Monomer contains benzene ring and sulfonate group