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| Number | Title | Issue Date |
| 8163677 | Consolidation agents and the use thereof for consolidating molded bodies and geological formations consisting of porous or particulate materials A consolidation agent for molded articles and geological formations from porous or particulate materials, containing a hydrolysate or precondensate of (a) at least one organosilane of the general formula (I) RnSiX4-n â€... | 04/24/2012 |
| 8003579 | Oil-, hot water-and heat-resistant binders, process for preparing them and their use A process for preparing a binder which comprises a heterocondensate of silicon compounds and metal and/or boron compounds. The process comprises mixing a silicon component which comprises (A), at least one hydrolyzable silicon compound having a non-hydrolyzable poly... | 08/23/2011 |
| 8003580 | Consolidated proppants having high mechanical strength and process for the preparation thereof A process for the preparation of hydrolytically and hydrothermally stable consolidated proppants is described, in which (A) a consolidating agent comprising (A1) a hydrolysate or precondensate of at least one functionalized organosilane, a further hydrolyzable silan... | 08/23/2011 |
| 7964539 | Well treatment This invention provides a method of controlling water in a subterranean formation, said method comprising contacting said formation with a water control treatment agent which comprises an organosilane in an amount effective to reduce the water permeability of at lea... | 06/21/2011 |
| 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 |
| 7252142 | Annular isolators for expandable tubulars in wellbores The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the... | 08/07/2007 |
| 6978836 | Methods for controlling water and particulate production The present invention provides methods of reducing the production of both water and particulates from subterranean formations; the methods are particularly useful in conjunction with subterranean formations surrounding wellbores and fractures. The methods comprise t... | 12/27/2005 |
| 6935432 | Method and apparatus for forming an annular barrier in a wellbore In accordance with the present invention, an apparatus and method are provided which utilize an expandable media assembly to create an annular barrier in a subterranean well. The apparatus comprises a tubing assembly for placement in the wellbore, the tubing assembl... | 08/30/2005 |
| 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 |
| 6642184 | Organosilicon composition The present invention relates to use of an inhibitor compound in an organosilicon composition for inhibiting curing of the organosilicon composition by a hydrosilylation reaction at a temperature of 40° C. to 100° C., or 100° C. and above, and a pressu... | 11/04/2003 |
| 6251837 | Hydrosoluble silane or siloxane derivative-based copolymer Hydrosoluble copolymers made of hydrophilic monomers, e.g., acrylamide, and of silane or siloxane derivative-based hydrophobic monomers, e.g., a silane or or siloxane acrylate, is obtained by micellar or heterogeneous radical copolymerization, and such co... | 06/26/2001 |
| 6165948 | Method for drying out rock containing immobile formation water within the encroachment area of natural gas deposits and gas reservoirs The invention relates to a process for drying out rock containing immobile formation water in the intake radius of natural gas wells and gas storage wells which deliver less than 50 l of water per 1000 m3 (S.T.P.) of natural gas produced, in wh... | 12/26/2000 |
| 6069118 | Enhancing fluid removal from fractures deliberately introduced into the subsurface The present Invention relates to hydrocarbon well stimulation, and more particularly to methods and compositions to remove (or more generally to transfer) fluid introduced into a subsurface fracture, in which the methods involve creating then exploiting c... | 05/30/2000 |
| 5942469 | Heavy oil well stimulation composition and process A composition for and an improved process of, enhancing petroleum recovery from a petroleum reservoir by injecting said composition into the reservoir through a wellbore are provided. The aqueous composition is derived from a concentrate which includes a ... | 08/24/1999 |
| 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 |
| 5630474 | Process for the extraction of crude oil In the process of the present invention, crude oil is extracted from crude oil-containing deposits with the aid of an emulsion containing the components (A) 100 parts by weight of organopolysiloxane (B) 10 to 100 parts by weight of surfactant and (C) water.... | 05/20/1997 |
| 5547022 | Heavy oil well stimulation composition and process A composition for, and an improved process of, enhancing petroleum recovery from a petroleum reservoir by injecting said composition into the reservoir through a wellbore are provided. The aqueous composition is derived from a concentrate which includes a... | 08/20/1996 |
| 5362318 | Consolidation agent and method A sand consolidating method is provided for use in a borehole within an unconsolidated or loosely consolidated oil or gas reservoir which is likely to introduce substantial amounts of sand into the borehole and cause caving. After perforating the borehole... | 11/08/1994 |
| 5358565 | Steam injection profile control agent and process A method and composition for controlling the profile of a formation where temperatures higher than 400° F. are encountered. An aqueous solution of an organoammonium silicate, alkali metal or ammonium silicate is injected into a zone of higher permeabilit... | 10/25/1994 |
| 5273666 | Consolidation agent and method A sand consolidation method to provide for use in a borehole having an unconsolidated or loosely consolidated oil or gas reservoir which is likely to introduce substantial amounts of sand into the borehole and cause caving. After perforating the borehole'... | 12/28/1993 |
| 4957639 | Method for enhancing recovery of oil and compositions related thereto A method for enhancing recovery of oil from wells by introducing into an oil-bearing formation the reaction products obtained by reacting silicon metal, alkali metalhydroxide and at least one organic di-, tri- or tetramine in an aqueous medium. The produc... | 09/18/1990 |
| 4670164 | Liquid polymer containing compositions for thickening aqueous systems A liquid polymer containing composition, useful as a thickening agent for aqueous systems, containing hydroxyethyl cellulose, a hydrophobic liquid medium in which the hydroxyethyl cellulose is substantially non-swellable and a gelling agent for thickening... | 06/02/1987 |
| 4528104 | Oil based packer fluids An oil base packer fluid for use in completing oil and gas wells comprising: (a) a liquid oleaginous medium; (b) an organophilic clay comprising the reaction product of an organic onium compound and a smectite clay; (c) a polar dispersant for said clay; and (d... | 07/09/1985 |
| 4450095 | Organophilic clay gellant having enhanced dispersibility The viscosity of liquid organic systems is increased by adding thereto an organophilic clay gellant which is the reaction product of a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay and from... | 05/22/1984 |
| 4434075 | Anionically modified organophilic clays and their preparation An organophilic clay gellant is disclosed which comprises the reaction product of an organic cation compound, an organic anion, and a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay. The orga... | 02/28/1984 |
| 4434076 | Clay cation complexes and their use to increase viscosity of liquid organic systems An organophilic clay gellant comprising the reaction product of an organic cationic compound and a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay, wheein said organic cationic compound conta... | 02/28/1984 |
| 4427556 | Dispersible hydrophilic polymer compositions A polymer composition for use in aqueous mediums comprising a hydrophilic polymer, a water miscible polar organic liquid which acts as a solvating agent for the hydrophilic polymer, the solvating agent being of a type which forms a semi-solid to viscous m... | 01/24/1984 |
| 4287086 | Viscous organic systems containing an organophilic clay gellant without an organic dispersant therefor The viscosity of liquid organic systems is increased by adding thereto an organophilic clay gellant which is the reaction product of a smectite clay having a cation exchange capacity of at least 0.75 milliequivalents per gram and from 1.00 to less than 1.... | 09/01/1981 |
