| 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) |
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| 03/17/2005 | US20050059555 Methods and compositions for stabilizing the surface of a subterranean formation |
| 03/17/2005 | US20050056464 Drilling fluid apparatus and method |
| 03/17/2005 | US20050056424 Environmentally benign viscous well treating fluids and methods |
| 03/17/2005 | US20050056423 Methods of removing filter cake from well producing zones |
| 03/17/2005 | US20050056191 improving chemical resistance by mixing vitrified shales to mixtures of alumina, water, soluble inorganic phosphates and set retarders comprising carboxylic acids |
| 03/16/2005 | EP1514007A1 Method for treating subterranean formation |
| 03/16/2005 | EP1513910A1 Methods of generating gas in well fluids |
| 03/16/2005 | EP1513909A1 Method of formulating and using a drilling mud with fragile gels |
| 03/16/2005 | EP1244758B1 Emulsified gelant |
| 03/15/2005 | US6867170 Additive for, treatment fluid for, and method of plugging a tubing/casing annulus in a well bore |
| 03/15/2005 | US6866797 Corrosion inhibitors and methods of use |
| 03/15/2005 | US6866099 Methods of completing wells in unconsolidated subterranean zones |
| 03/15/2005 | US6866097 Superpositioning of heaters for pyrolysis to form mixture of hydrocarbons and hydrogen; controlling pressure; heat exchanging |
| 03/15/2005 | US6866048 Method to decrease iron sulfide deposits in pipe lines |
| 03/15/2005 | CA2245886C A process and a formulation to inhibit scale in oil field production |
| 03/15/2005 | CA2239466C Wax deposit inhibitors |
| 03/10/2005 | WO2005021932A1 Method for forming foamed material in foam shield driving method and foamed material for use in foam shield driving method |
| 03/10/2005 | WO2005021930A1 Methods for controlling migration of particulates in a subterranean formation |
| 03/10/2005 | WO2005021929A1 Maximizing the efficacy of thiocyanate scavengers in oilfield brines |
| 03/10/2005 | WO2005021928A2 Production-enhancing completion methods |
| 03/10/2005 | WO2005021676A1 Flat rheology drilling fluid |
| 03/10/2005 | WO2005021147A2 High strength polycrystalline ceramic spheres |
| 03/10/2005 | US20050054760 Lightweight without losing strength by using mixture of water, calcium sulfate hemihydrate, and a styrene butadiene polymer latex having sodium 2-acrylamido-2-methylpropanesulfonate monomeric units, which has stability against divalent ions |
| 03/10/2005 | US20050054540 especially fatty acid amidopropyl propylene glycol diammonium phosphate salts and a weighting agent that is a Ia, IIa, rare earth or transition metal halide, nitrate, sulfate, formate, acetate or propionate; for brine-based drilling fluids especially clear brines |
| 03/10/2005 | US20050051363 Treatment fluids comprising starch and ceramic particulate bridging agents and methods of using these fluids to provide fluid loss control |
| 03/10/2005 | US20050051332 Methods for enhancing the consolidation strength of resin coated particulates |
| 03/10/2005 | US20050051330 Methods for forming a permeable and stable mass in a subterranean formation |
| 03/09/2005 | EP1511916A1 Method of preparing microparticles |
| 03/09/2005 | EP1511915A1 Method for scale inhibition in oil wells |
| 03/09/2005 | EP1511913A1 Methods of generating gas in and foaming well cement compositions |
| 03/09/2005 | EP1511822A1 Methods of generating gas in well treating fluids |
| 03/09/2005 | EP1511821A1 Methods of consolidating formations or forming chemical casing or both while drilling |
| 03/09/2005 | EP1511619A2 Particulate material having multiple curable coatings and methods for making and using same |
| 03/09/2005 | EP1242556A4 Acid based micro-emulsions |
| 03/09/2005 | EP1137736B1 Lubricants for drilling fluids |
| 03/08/2005 | CA2179515C A method for inhibiting the plugging of conduits by gas hydrates |
| 03/03/2005 | WO2005019599A1 Methods of drilling and consolidating subterranean formation particulates |
| 03/03/2005 | WO2005019484A2 Charging material for producing refractory high-strength spherical granules and method for the production thereof |
| 03/03/2005 | WO2005018300A2 Alkylxylene sulfonates for enhanced oil recovery processes |
| 03/03/2005 | US20050049151 Methods for controlling migration of particulates in a subterranean formation |
| 03/03/2005 | US20050049149 Antiswelling agents contains shale encapsulator contsisting of quaternary polyacrylamide and polyvinyl alcohol, for absorbing and binding on clay particles, encapsulating the cuttings during drilling solids in subterranean formation |
| 03/03/2005 | US20050049147 Flat rheology drilling fluid |
| 03/03/2005 | US20050045384 Methods of drilling and consolidating subterranean formation particulate |
| 03/03/2005 | US20050045335 Systems and methods for treating a subterranean formation using carbon dioxide and a crosslinked fracturing fluid |
| 03/03/2005 | US20050045330 Strengthening near well bore subterranean formations |
| 03/03/2005 | US20050045328 Orthoester compositions and methods for reducing the viscosified treatment fluids |
| 03/03/2005 | US20050045326 Production-enhancing completion methods |
| 03/03/2005 | CA2573540A1 Alkylxylene sulfonates for enhanced oil recovery processes |
| 03/02/2005 | EP1509676A1 Use of surface-modified nanoparticles for oil recovery |
| 03/01/2005 | US6861394 Internal breaker |
| 03/01/2005 | US6861393 Method for reducing sag in drilling, completion and workover fluids |
| 03/01/2005 | US6861392 Preparing formulation comprising a formation bridging component, a seepage loss component, and an oil wetting component; pelletizing to form a pellet; contacting pellet with fluid to form a pill; placing pill into subterranean zone |
| 03/01/2005 | US6860328 Method for selectively positioning proppants in high contrast permeability formations to enhance hydrocarbon recovery |
| 03/01/2005 | CA2121768C Method and composition for preserving core sample integrity using an encapsulating material |
| 02/24/2005 | WO2005017313A1 Compositions and methods for controlling the release of chemicals placed on particulates |
| 02/24/2005 | WO2005017311A1 Methods for fracturing stimulation |
| 02/24/2005 | WO2005017310A1 Subterranean fluids and methods of using these fluids in subterranean formations |
| 02/24/2005 | WO2004101705A3 Synthetic filtration control polymers for wellbore fluids |
| 02/24/2005 | WO2004090067A3 Drilling fluids with improved shale inhibition and methods of use in subterranean formations |
| 02/24/2005 | US20050043188 Recyclable foamed fracturing fluids and methods of using the same |
| 02/24/2005 | US20050043187 A phosphonate having three R groups with combinations of H, C, O or P atoms up to a maximum of 100 atoms combined with a viscosifying agent, a filtrate reducing agent, and a weighting agent to adjust the density; reduced bit-balling in mud drilling |
| 02/24/2005 | US20050039920 Method for enhancing the stability of a water sensitive, reactive subterranean formation |
| 02/24/2005 | US20050039919 Methods of fracturing high temperature subterranean zones and foamed fracturing fluids therefor |
| 02/24/2005 | US20050039918 Methods of treating subterranean zones and treating fluids therefor |
| 02/24/2005 | US20050039911 Maximizing the efficacy of thiocyanate scavengers in oilfield brines |
| 02/24/2005 | CA2535230A1 Subterranean fluids and methods of using these fluids in subterranean formations |
| 02/22/2005 | US6858566 Methods of generating gas in and foaming well cement compositions |
| 02/22/2005 | US6857485 Shale hydration inhibition agent and method of use |
| 02/22/2005 | CA2476450A1 Ultra low density cementitious slurries for use in cementing of oil and gas wells |
| 02/17/2005 | WO2005014974A1 Gravel packing method |
| 02/17/2005 | WO2005014972A1 Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids |
| 02/17/2005 | WO2005014754A1 Zeolite-containing treating fluid |
| 02/17/2005 | WO2005000993A8 Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
| 02/17/2005 | WO2004101463B1 Compositions and methods for treating lost circulation |
| 02/17/2005 | WO2004092301A3 Drilling fluids comprising sized graphite particles |
| 02/17/2005 | US20050038164 Acid-degradable glass, water, water-soluble polymerizable alkenoic acid monomer, and water-soluble free-radical initiator; improved elasticity, compressive strength, and low permeability |
| 02/17/2005 | US20050038127 Storable water-silica suspensions and methods |
| 02/17/2005 | US20050037930 Drilling fluids, drilling fluids additives and methods useful for limiting tar sands accretion on metal surfaces |
| 02/17/2005 | US20050037929 blend of carboxylic acid terminated polyamide and/or wetting agent with reaction product or mixture produced by Diels-Alder reaction of dienophiles, preferably carboxylic acids, acid anhydrides, with fatty acids and resin acids; emulsion stability |
| 02/17/2005 | US20050037928 Method of using viscoelastic vesicular fluids to enhance productivity of formations |
| 02/17/2005 | US20050037927 Drilling Fluids, Drilling Fluids Additives and Methods Useful for Limiting Tar Sands Accretion on Metal Surfaces |
| 02/17/2005 | US20050036604 Direct digital access arrangement circuitry and method for connecting DSL circuitry to phone lines |
| 02/17/2005 | US20050034868 Orthoester compositions and methods of use in subterranean applications |
| 02/17/2005 | US20050034867 Subterranean fluids and methods of cementing in subterranean formations |
| 02/17/2005 | US20050034866 Subterranean fluids and methods of using these fluids in subterranean formations |
| 02/17/2005 | US20050034865 Compositions and methods for degrading filter cake |
| 02/17/2005 | US20050034864 Aqueous solution containing cement and acrylic acid copolymer, iron compound and dispersant as flow control agents |
| 02/17/2005 | US20050034862 Methods for fracturing stimulation |
| 02/17/2005 | US20050034861 On-the fly coating of acid-releasing degradable material onto a particulate |
| 02/17/2005 | DE10334441A1 Bohrlochbehandlungsmittel, enthaltend Ethercarbonsäuren Borehole treatment composition containing ether carboxylic acids |
| 02/17/2005 | CA2532686A1 Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids |
| 02/16/2005 | EP1506343A1 System for treating an underground formation |
| 02/15/2005 | US6855672 Copolymers useful for gelling acids |
| 02/15/2005 | US6855671 Cations in the copolymer adsorb onto the negatively charged surface of the shale, forming a gelatinous protective layer which inhibits degradation of the shale; may also contain a monovalent metal salt |
| 02/15/2005 | US6855201 Fluid loss control tetrapolymer of an unsaturated sulfonic acid or salt; maleic or itaconic acid, salt or anhydride; vinyl amide; and vinyl ether |
| 02/10/2005 | WO2005012687A1 Drilling method |
| 02/10/2005 | WO2005012686A1 System for sealing a space in a wellbore |
| 02/10/2005 | WO2005012684A2 Compositions and methods for treating subterranean formations |
| 02/10/2005 | WO2005012455A1 Borehole treating substance containing ether carboxylic acids |
| 02/10/2005 | US20050032652 Method of formulating and using a drilling mud with fragile gels |