Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
Patents for C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations (31,745)
10/1996
10/22/1996US5567212 Use of olefinic imines to scavenge sulfur species
10/22/1996US5567088 Method for treating porous media
10/22/1996US5566760 Method of using a foamed fracturing fluid
10/22/1996US5566759 Method of degrading cellulose-containing fluids during completions, workover and fracturing operations of oil and gas wells
10/17/1996WO1996032456A1 Amphoteric acetates and glycinates as shale stabilizing surfactants for aqueous well fluids
10/17/1996WO1996032455A1 Nonionic alkanolamides as shale stabilizing surfactants for aqueous well fluids
10/16/1996EP0737798A2 Composition effective in removing asphaltenes
10/16/1996CN1133354A Biological pollution control for oil field
10/16/1996CN1133336A Change of high-temp. stratum permeability
10/16/1996CN1133317A Change of high-temp. stratum permeability
10/15/1996US5565513 Using mixture of anhydrous boron compound and mineral spirits
10/15/1996US5565416 Comprising a phenolic compound and a hydroxide-bearing compounds capable of imparting a ph of nine to water
10/10/1996WO1996031435A1 Process for the production of cesium compounds
10/10/1996DE19512898A1 Polymers with recurring succinyl units which also include imino:di:succinate units
10/09/1996EP0736131A1 A method for real time process control of well stimulation
10/09/1996EP0736130A1 A method for inhibiting the plugging of conduits by gas hydrates
10/09/1996EP0735919A1 Solvent soaps and methods employing same
10/09/1996CN1132761A Gel of apolar medium, its use for preparation of water-based drilling fluids
10/08/1996US5563186 Crosslinked alginate-based gels for matrix conformance
10/08/1996US5562160 Fracturing fluid treatment design to optimize fluid rheology and proppant pack conductivity
10/03/1996WO1996030626A1 Water flow obstruction process
10/03/1996WO1996030460A1 Use of sized salts as bridging agent for oil based fluids
10/03/1996WO1996029977A1 Compositions based on apg and at least one additional nonionic sugar cosurfactant
10/03/1996CA2216566A1 Compositions comprising sugar surfactants
10/02/1996EP0735235A1 Control of particulate flowback in subterranean wells
10/02/1996EP0735234A2 Bisphenol-containing resin coating articles and methods of using same
10/01/1996US5560736 Process for sealing out water leakage from geological rock formations
10/01/1996US5560438 Method and composition for preserving core sample integrity using an encapsulating material
10/01/1996CA2145784C Plugging of underground strata to eliminate gas and water coning during oil production
09/1996
09/26/1996WO1996029502A1 Hydrate inhibitors
09/25/1996CN1032866C Altering high temp. subterranean formation permebility
09/24/1996US5559263 Aluminum citrate preparations and methods
09/24/1996US5559086 Epoxy resin composition and well treatment method
09/24/1996US5559085 Organic liquid base drilling fluid with terpene
09/24/1996US5559082 Borate-starch compositions for use in oil field and other industrial applications
09/24/1996US5558171 Feeding a drilling fluid into well, circulating through well, withdrawing the fluid to remove cutting, entraining a stabilizer which is reaction product of polyamine and carbamide, and dialkylcabonate
09/24/1996US5558161 Method for controlling fluid-loss and fracturing high permeability subterranean formations
09/24/1996US5558160 Nitrogen/carbon dioxide combination fracture treatment
09/18/1996EP0731827A1 Drilling fluid
09/18/1996EP0731776A1 Oil-in-water emulsions as microbicide (biocide) substitutes in water carrying systems
09/17/1996US5556938 Acid catalyzed process for preparing amino acid polymers
09/17/1996US5556832 Solids-free, essentially all-oil wellbore fluid
09/17/1996US5556547 Improved absorbency, drilling fluids, waste water treatment
09/17/1996US5556451 Oxygen induced corrosion inhibitor compositions
09/17/1996US5555937 Method and combination of materials for releasing a stuck pipe
09/17/1996US5555936 Scleroglucan gel applied to the oil industry
09/12/1996EP0746543A4 Polyaspartic acid manufacture
09/11/1996EP0731253A2 Combating lost circulation during the drilling of wells
09/11/1996EP0638137B1 Method for excavating tunnels, utilisation of a foaming agent and new composition
09/10/1996US5554721 Acid catalyzed process for preparing amino acid polymers
09/10/1996US5553670 Phosphate ions
09/06/1996WO1996027070A1 Oil well treatment
09/06/1996CA2213698A1 Oil well treatment
09/05/1996DE4445334C1 Lubricant used to lubricate pipes being propelled into ground
09/04/1996EP0730018A1 Improved water-based drilling fluids for reduction of water adsorption and hydration of argillaceous rocks
09/04/1996EP0729497A1 Wellbore fluids
09/04/1996EP0525037B1 Dispersant compositions for subterranean well drilling and completion
09/03/1996US5552514 Antiscaling agents of amino acid polymers for water treatment
09/03/1996US5552377 Mud sweep and spacer composition
09/03/1996US5551516 Viscoelastic surfactant based aqueous fluid systems using a quaternary ammonium halide thickener
09/03/1996US5551515 Hemicellulase active at extremes of Ph and temperature and utilizing the enzyme in oil wells
09/03/1996US5551514 Sand control without requiring a gravel pack screen
09/03/1996CA2096765C Acceleration of gelation of water soluble polymers
08/1996
08/28/1996EP0728826A1 Compositions comprising an acrylamide-containing polymer and process therewith
08/28/1996EP0728254A1 A method of scale dissolution in a formation containing multiple productive intervals
08/28/1996EP0588879B1 Drilling mud compositions
08/28/1996EP0539582B1 Adducts of clay and activated mixed metal oxides
08/27/1996CA2050594C Procedure for the admixture of silcon oxide to a hydraulic cement slurry
08/22/1996WO1996025652A2 Improvements in or relating to the preparation of samples for palynological analysis
08/22/1996WO1996025475A1 Stable and water-resistant aqueous foam composition_____________
08/21/1996EP0727009A1 Well cleanout system and method
08/20/1996US5547926 Mercaptan compound as reducing agents and reduction catalyst
08/20/1996US5547925 Water based
08/20/1996US5547506 Hydraulically-active cementitious material, set retarder, suspension agent, activating agent, and water
08/20/1996US5547027 Low temperature, low rheology synthetic cement
08/20/1996US5547026 Gel for plugging subterranean formations in oil wells
08/20/1996US5547025 Injecting a gelling compound
08/20/1996US5547024 Pumping slurry of water, cement, and granulated blast furnace slag into wellbore, solidifying
08/20/1996US5547022 Heavy oil well stimulation composition and process
08/15/1996WO1996024720A1 Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp
08/15/1996WO1996024646A1 Drilling fluid
08/15/1996WO1996024645A1 Drilling fluid
08/14/1996EP0726356A1 Microfibrillated cellulose and process for making the same from vegetable pulps having primary walls, especially from sugar beet pulp
08/14/1996EP0726302A1 Low solids, high density fluids
08/14/1996EP0427835B1 Non-damaging workover and completion fluid
08/14/1996CN1128739A Process for prepn. of pumpable clayey aqueous mixtures
08/08/1996WO1996023849A1 Polymeric earth support fluid compositions and method for their use
08/08/1996WO1996016113A3 Polymeric composites with crystalline mixed metal hydroxide particles dispersed therein
08/08/1996CA2212031A1 Polymeric earth support fluid compositions and method for their use
08/07/1996EP0725206A2 Method of fracturing high permeability subterranean formations
08/07/1996EP0724564A1 Use of terminal group capped fatty acid amide alkoxylates
08/06/1996US5543388 Acetylenic alcohols, quaternary ammonium compounds, cinnamaldehyde, iodine in nonaqueous solvent
08/06/1996US5543387 Surfactant additive for oilfield acidizing
08/06/1996US5542474 Injecting surfactant-polypeptide mixture
07/1996
07/31/1996CN1128013A Graft polymers of keto-aldehyde condensation or co-condensation products
07/30/1996CA2010859C Corrosion inhibitor and method of use
07/25/1996WO1996022451A1 Oil and gas field chemicals
07/25/1996WO1996022342A1 Base oil for well-bore fluids
07/25/1996WO1996022245A1 Silicate solutions
07/25/1996CA2210873A1 Silicate solutions
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