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| Number | Title | Issue Date |
| 7452849 | Silicone resin for drilling fluid loss control A silicone MQ resin based composition provides the oil industry with Fluid Loss Control (FLC) additives for water based drilling muds which are non-damaging. The composition is capable of achieving zero fluid seepage through filter cake, and a short build time for t... | 11/18/2008 |
| 7316991 | Composition and process for oil extraction The invention relates to a composition for use in the extraction of oil and to a method of extracting oil using the composition. The composition comprises components A, B and C in which: A is a first solid hydrophobic material which is in-soluble in an organic solve... | 01/08/2008 |
| 7134496 | Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion Single phase microemulsions improve the removal of filter cakes formed during drilling with invert emulsions. The single phase microemulsion removes oil and solids from the deposited filter cake. Optionally, an acid capable of solubilizing the filter cake bridging p... | 11/14/2006 |
| 7067461 | Water-based drilling fluid additive containing graphite and carrier A drilling fluid additive is provided wherein the additive is manufactured by a method comprised of admixing graphite with at least one carrier such as a polypropylene glycol or oil to create a suspended mixture, and allowing the surface of the graphite to be pre-we... | 06/27/2006 |
| 6997270 | Compounds and method for generating a highly efficient membrane in water-based drilling fluids A method is disclosed that affords improved stability to wellbores during drilling in argillaceous formations with water-based drilling fluids. The method comprises adding to the drilling fluid a compound of the invention having the capacity in water to generate a h... | 02/14/2006 |
| 6649571 | Method of generating gas bubbles in oleaginous liquids Disclosed is a method of generating microbubbles in oleaginous liquids which comprises adding a silicone oil to the oleaginous liquid and thereafter subjecting the liquid to mechanical forces in the presence of a gas. Also disclosed are oil base well dril... | 11/18/2003 |
| 6211119 | Multiphase lubricant concentrates for use in water based systems in the field of exploratory soil drilling The invention relates to multiphase lubricant concentrates with improved properties for use in aqueous fluids for geological exploration by drilling which contain organic lubricating components which are solid and/or liquid at room temperature (O phase) t... | 04/03/2001 |
| 5888944 | Oil-based drilling fluid A method of removing the filter cake formed from invert emulsion compositions including an oleaginous, a non-oleaginous and an acid sensitive surfactant in an oil and gas well are disclosed. The acid sensitive surfactant is selected so that the invert emu... | 03/30/1999 |
| 5869433 | Non-fluorescing oil-based drilling fluid The present invention relates to an oil-based drilling fluid, a continuous phase for an oil-based drilling fluid, and additives for an oil-based drilling fluid. The drilling fluid, the continuous phase of the drilling fluid, and the additives for the oil-... | 02/09/1999 |
| 5712228 | Silicone based fluids for drilling applications An essentially non-polluting, substantially non-toxic drilling fluid composition has been discovered that is particularly useful as a lubricant or spotting fluid in drilling oil and gas wells. The fluid comprises silicone which may be is mixed with an emu... | 01/27/1998 |
| 5707939 | Silicone oil-based drilling fluids The present invention relates to an improved continuous phase for a drilling fluid and specifically a silicone continuous phase which is non-polluting and substantially non-toxic. Preferred silicones for use in the invention are dimethylsiloxane polymers.... | 01/13/1998 |
| 5491248 | Readily dispersible bentonite Readily dispersible bentonite comprising bentonite particles having adsorbed an alkyl-substituted silane compound represented by formula (I) onto the surface thereof is disclosed: Ra SiXb (I) where... | 02/13/1996 |
| 5401719 | Drilling mud additive A drilling mud additive comprising graphite, a silicate such as phlogopite and a silicone such as dimethylpolysiloxane and drilling muds including the additive.... | 03/28/1995 |
| 5376629 | Oil-based drilling muds comprising a weighting agent having a siloxane or silane coating thereon An oil based drilling mud comprises (a) a base oil, (b) about 1 to about 170 parts by weight of an aqueous phase per 100 parts by weight of the oil, (c) about 0.25-40 g/l of at least one viscosifier, and (d) a hydrophobic weighting agent in amount suffici... | 12/27/1994 |
| 5189012 | Oil based synthetic hydrocarbon drilling fluid The present invention relates to an improved continuous phase for an oil based drilling fluid and specifically a synthetic hydrocarbon continuous phase which is non-polluting and minimally toxic. The invention provides excellent drilling fluid properties ... | 02/23/1993 |
| 4910246 | Intercalations of crystalline lithium aluminates Useful compositions are prepared by incorporating into organic materials, crystalline lithium aluminates which conform substantially to the empirical formula (LiAx)y.2Al(OH)3.nH.sub.2 O where A represents one or more anions and... | 03/20/1990 |
| 4787453 | Permeability stabilization in subterranean formations containing particulate matter A method for treating a fines-containing formation to prevent the migration and/or swelling of particulate matter. The method comprises injecting into the formation water and/or steam which contains at least one water-soluble organosilicon compound. Suita... | 11/29/1988 |
| 4689161 | Viscosifier, its uses, and its manufacture A composition of matter suitable for increasing the viscosity of liquids comprises tendrillar carbonaceous material (TCM) having a ultra low bulk density of less than about 0.1 g/cm3 and comprises intertwined tendrils having a diameter (number ... | 08/25/1987 |
| 4609487 | Gel-forming mixture based on an alkali silicate and a trialkoxysilane The present invention relates to liquid mixtures of alkali metal silicates, water, and trialkoxysilanes of the general formula R--Si(OR')3, which harden to form silica-containing gels within a predetermined length of time. The mixtures can cont... | 09/02/1986 |
| 4451537 | Asbestos composition having organo-silane coating A crysotile asbestos base material having an organo-silane outer coating bonded thereto.... | 05/29/1984 |
| 4421656 | Silicone emulsifier composition, invert emulsions therefrom and method therefor An improved silicone emulsifier composition is disclosed which is particularly useful for preparing thermally stable, solids-free invert emulsions for the deep well-drilling art. The emulsifier composition comprises a surface active polydiorganosiloxane b... | 12/20/1983 |
| 4381241 | Invert emulsions for well-drilling comprising a polydiorganosiloxane and method therefor The preparation of emulsions of light and heavy brines in a liquid hydrocarbon is described, using a polydiorganosiloxane bearing at least one polyoxyalkylene radical and at least one monovalent hydrocarbon radical having from 6 to 18 carbon atoms. The em... | 04/26/1983 |
| 4344992 | Process for producing organo-silane coated asbestos base material A chrysotile asbestos base material is mixed in water containing dissolved alum (aluminum sulphate) prior to addition of the organo-silane coating.... | 08/17/1982 |
| 4316807 | Viscosifying agent Silane modified inorganic reaction product compositions, water based systems containing said compositions, drilling fluids containing said compositions and a method of drilling bore holes using said drilling fluids, wherein the silane-modified inorganic c... | 02/23/1982 |
| 4312765 | Viscosifying agent Silane modified inorganic reaction products, aqueous-based compositions containing said reaction products, a drilling fluid containing said composition and a method of drilling bore holes using said drilling fluid, wherein the silane-modified inorganic co... | 01/26/1982 |
| 4183814 | Asbestos composition having organo-silane coating A chrysotile asbestos base material having a precipitation deposited siliceous layer and an organo-silane coating bonded to and overlying said siliceous layer.... | 01/15/1980 |
| 4137367 | Silane coated silicate minerals and method for preparing same Phyllosilicate minerals which exhibit in their structure, sequentially, octahedral layers containing magnesium, aluminum and/or iron oxides and tetrahedral layers of silica, are superficially etched with dilute acid to remove the outer octahedral layer un... | 01/30/1979 |
| 3951824 | Dry drilling fluid composition A dry powdered drilling fluid composition and method of use thereof prepared by mixing together under conditions of high shear a major portion of water and a minor portion of a hydrophobic silica.... | 04/20/1976 |
