Earth boring, well treating, and oil field chemistry inventions

20080108518 - Method of removing dispersed sulfur from sulfur-containing fluids: This invention is a method of using sulfite salts to remove dispersed sulfur from fluids encountered in oil and gas production, transport and refining in which sulfite salts are used to convert the dispersed sulfur into benign, water-soluble sulfur species which remain in aqueous solution. Sulfur precipitation and deposition in... Agent: Michael B. Martin Patent And Licensing Department

20080108519 - Process for treating an underground formation: An underground formation is consolidated by (a) incorporating into a treatment fluid (i) at least one chemical substance which is capable of undergoing a chemical change that alters the physico-chemical environment of the treatment fluid and which is a bicarbonate or a compound that generates a phosphate, phosphoric acid, sulphate,... Agent: Nixon & Vanderhye, Pc

20080108520 - Method of plugging fractured formation: A material and method for treating a fractured formation penetrated by a wellbore includes providing a quantity of resin coated particles having a particle size of from about 0.2 mm to about 2.35 mm. A quantity of smaller deformable or non-deformable particles is combined with the resin coated particles to... Agent: Schlumberger Technology Corporation David Cate

20080108521 - Oil well fracturing fluids: Additives useful in attenuating the crosslinking time of sparingly soluble borate minerals and the use of those additives in oil well fracturing fluids and methods are described.... Agent: Bennett Jones C/o Ms Roseann Caldwell

20080108522 - Use of anionic surfactants as hydration aid for fracturing fluids: A composition for treating wellbore formations is provided consisting of a hydratable polysaccharide, an anionic surfactant, and an aqueous solvent where the hydratable polysaccharide is soluble in the aqueous solvent. The concentration of the anionic surfactant is sufficient to scavenge greater than about 50%, and preferably greater than 90% of... Agent: Howrey LLP

20080108523 - Polyamine salts as clay stabilizing agents: A clayish subterranean formation, such as may be encountered in rock surrounding a well bore during hydrocarbon recovery operations may be stabilized with a polyamine salt of an imide of polymaleic anhydride. The salt may be unneutralized or partially neutralized. The invention is particularly relevant to hydraulic fracturing fluids used... Agent: Madan, Mossman & Sriram, P.c.

20080108524 - Delayed water-swelling materials and methods of use: A water absorbing composition includes a particle having a core of a water-swelling material. A coating substantially surrounds the core that temporarily prevents contact of water with the water-swelling material. The coating may be formed from a layer of water degradable material or a non-water-degradable, non-water absorbent encapsulating layer. A... Agent: Schlumberger Technology Corporation David Cate

20080108525 - Method and composition for forming protective precipitate on cement surfaces prior to formation acidizing treatment: A method and composition for protecting cement surfaces in a well bore treatment zone from the destructive effects of acid mud and other acidization processes commonly used to stimulate hydrocarbon production from the formation, includes contacting the cement with an aqueous acid mixture of HAc and HF in a mutual... Agent: Abelman, Frayne & Schwab

20080108526 - Saponified fatty acids as viscosity modifiers for viscoelastic surfactant-gelled fluids: Fluids viscosified with viscoelastic surfactants (VESs) may have their viscosities affected (increased or reduced) by the indirect or direct action of a composition that contains at least one fatty acid that has been affected, modified or reacted with an alkali metal halide salt, an alkaline earth metal halide salt, and/or... Agent: Madan, Mossman & Sriram, P.c.

20080108527 - Oil-in-water-in-oil emulsion: An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention may also be used as a lubricant,... Agent: Douglas J. Collins Exxonmobil Upstream Research Company

20080108528 - Methods to enhance the pneumatic handling characteristics of weighting agents: A method of processing oilfield weighting agents for pneumatic transference including treating a weight material ore with a chemical additive to produce a treated weighting agent and grinding the treated weighting agent to produce a ground treated weighting agent including a substantially homogenized mixture of the chemical additive and a... Agent: Osha Liang/mi

20080103065 - Compositions comprising melt-processed inorganic fibers and methods of using such compositions: Improved lost circulation compositions that include melt-processed inorganic fibers and methods for using such compositions in subterranean formations are provided. An example of a method of the present invention is a method comprising providing a drilling mud comprising a plurality of melt-processed inorganic fibers, wherein the melt-processed inorganic fibers have... Agent: Craig W. Roddy Halliburton Energy Services

20080103066 - Use of mineral oils to reduce fluid loss for viscoelastic surfactant gelled fluids: Fluids viscosified with viscoelastic surfactants (VESs) may have their fluid loss properties improved with at least one mineral oil which has a viscosity greater than 20 cps at ambient temperature. The mineral oil may initially be dispersed oil droplets in an internal, discontinuous phase of the fluid. In one non-limiting... Agent: Madan, Mossman & Sriram, P.C.

20080103067 - Hydrolytically and hydrothermally stable consolidated proppants and method for the production thereof: A process is described for preparing hydrolytically and hydrothermally stable, consolidated proppants, in which (A) a consolidant comprising a hydrolyzate or precondensate of at least one organosilane, a further hydrolyzable silane and at least one metal compound, where the molar ratio of silicon compounds used to metal compounds used is... Agent: Greenblum & Bernstein, P.L.C

20080103068 - Crosslinker suspension compositions and uses thereof: A delayed crosslinker system useful in downhole treatment fluids is disclosed. The crosslinker system comprises water-reactive solids, a non-aqueous, non-oily, hygroscopic liquid, a suspension aid, and an optional polyol. The crosslinker system may be prepared at a remote location and transported to the site of its intended use. There it... Agent: Schlumberger Technology Corporation David Cate

20080103069 - Ortho ester breakers for viscoelastic surfactant gels and associated methods: Many methods are provided including a method comprising: providing a surfactant gel having a first viscosity that comprises an aqueous base fluid and a surfactant; providing an ortho ester breaker; contacting the surfactant gel with the ortho ester breaker; allowing the ortho ester breaker to hydrolyze to produce an acid... Agent: Robert A. Kent

20080103070 - Ortho ester breakers for viscoelastic surfactant gels and associated methods: Many methods are provided including a method comprising: providing a surfactant gel having a first viscosity that comprises an aqueous base fluid and a surfactant; placing the surfactant gel into a subterranean formation at a pressure sufficient to create or enhance a fracture therein; providing an ortho ester breaker; contacting... Agent: Robert A. Kent

20080096772 - Asphaltene inhibition: The present invention provides a method of asphaltene control in a hydrocarbon fluid, the method employing a composition comprising: a dispersant of formulae (I) or (II), including salts thereof, wherein T or T′ is hydrogen or a polymerizing terminating group; A is C16-20 alkylene or alkenylene group; B is C10-20... Agent: The Lubrizol Corporation Attn: Docket Clerk, Patent Dept.

20080096773 - In-situ solidification of invert emulsion fluids to form gas tight annular barrier: A method for sealing a subterranean zone is disclosed. The method includes the steps of preparing a wellbore fluid, placing the wellbore fluid into at least a portion of an annular space between the sidewalls of a wellbore and the exterior of a casing string disposed in the wellbore, and... Agent: Osha Liang/mi

20080096774 - Method of treating underground formations or cavities by microgels: The present invention relates to a method of treating porous and permeable underground formations or cavities of reservoir rock or sand foundation type. The method consists in injecting a liquid composition comprising microgels into the formations in order to reduce the production of water, gas or sands, and/or for zone... Agent: Antonelli, Terry, Stout & Kraus, LLP