| 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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| 10/20/2004 | EP0840769B1 Non-toxic, inexpensive synthetic drilling fluid |
| 10/19/2004 | US6806236 Composition and method for treating a subterranean formation |
| 10/19/2004 | US6806235 Lubricants for drilling fluids |
| 10/19/2004 | US6806233 Methods of using reversible phase oil based drilling fluid |
| 10/19/2004 | US6806231 Drilling fluid, apparatus, and method |
| 10/19/2004 | US6805198 Organic acid system for high temperature acidizing |
| 10/19/2004 | US6805195 In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids and synthesis gas |
| 10/19/2004 | CA2214169C Unconsolidated formation stimulation and sand migration prevention methods |
| 10/14/2004 | WO2004025080A3 Method and composition for reducing wear in a cutting head of a tunnel boring machine |
| 10/14/2004 | US20040204323 boring well bores using mixtures of water, nanoparticles comprising polyvinyl pyrrolidone or rubber latex, and optionally salts, antifoams, biocides,corrosion inhibitors, dispersants, flocculants,scavengers, lubricants, scavengers, antiscaling or flow control agents |
| 10/14/2004 | US20040200619 Compositions containing a buffer and a peroxide or peracid useful for treating wells |
| 10/14/2004 | US20040200617 Method of treating subterranean formations with porous ceramic particulate materials |
| 10/14/2004 | US20040200616 fracturing subterranean formations include providing a fracturing fluid having a first pH, followed by foaming the fracturing fluid by introducing a gas to the fluid. |
| 10/13/2004 | EP1466903A1 Inhibitors of corrosion and of gas hydrates with an improved solubility in water and enhanced biodegradability |
| 10/13/2004 | EP1466073A1 Lost circulation compositions |
| 10/13/2004 | EP1465844A1 Gypsum wallboard composition, wallboard pane, and method of making same |
| 10/13/2004 | EP1070105B1 New and improved drilling fluids and additives therefor |
| 10/12/2004 | US6803348 Capable of being chemically cross-linked so as to produce a stable gel for blocking a water-bearing formation from a hydrocarbon-producing well |
| 10/12/2004 | US6803347 Additive for wellbore fluids |
| 10/12/2004 | US6803346 Anti-accretion additives for drilling fluids |
| 10/12/2004 | US6802673 Tunnel boring with foamed composition |
| 10/07/2004 | US20040198872 Elastomeric admixtures for improving cement elasticity |
| 10/07/2004 | US20040198611 Method for the recovery of hydrocarbons from hydrates |
| 10/07/2004 | US20040194960 High temperature flexible cementing compositions and methods for using the same |
| 10/07/2004 | US20040194957 Controlling addition level using coloring agent in water soluble bag as indicator; pumping water based separating fluid containing visual marker followed by cementing slurry through casing to hole bottom to displace drilling mud until color can be seen; stopping and hardening |
| 10/06/2004 | EP1464789A1 Methods and compositions for consolidating proppant in subterranean fractures |
| 10/06/2004 | EP1464627A1 Water conditioning composition |
| 10/05/2004 | US6800712 Graft polymerization to starch; saponification, precipitation, granularization, and forming into rod-shaped particles; anti-crusting, seed germination and increased crop yield |
| 10/05/2004 | US6800594 Corrosion inhibitor barrier for ferrous and non-ferrous metals |
| 10/05/2004 | US6800593 To increase the viscosity or decrease the fluid loss of well drilling and servicing fluids |
| 10/05/2004 | US6800592 Polymer-enhanced foamable drilling fluid |
| 10/05/2004 | US6800193 Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002) |
| 10/05/2004 | US6800128 Whey protein retarder |
| 10/05/2004 | US6799636 Particulate acid degradable glass, water, at least one water soluble polymerizable alkenoic acid monomer and a water soluble free-radical initiator. |
| 09/30/2004 | WO2004083599A1 Well completion foamed spacer fluids and methods |
| 09/30/2004 | WO2004046273A3 Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids |
| 09/30/2004 | US20040192561 Monovalent cation-containing well fluids |
| 09/30/2004 | US20040188092 settable spotting well bore treating fluids |
| 09/30/2004 | US20040188091 Zeolite-containing settable spotting fluids |
| 09/30/2004 | US20040188090 Positioning a platform in the downhole pipe below the desired cement plug interval; positioning a plug dump bailer tool; discharging the cement slurry, whereby cement slurry comprises an expansive agent and a latex |
| 09/30/2004 | US20040188089 Methods of treating subterranean formations using solid particles and other larger solid materials |
| 09/30/2004 | CA2795417A1 Method of treating subterranean formations using mixed density proppants or sequential proppant stages |
| 09/30/2004 | CA2644213A1 Method of treating subterranean formations using mixed density proppants or sequential proppant stages |
| 09/29/2004 | EP1461399A1 Improved internal breaker |
| 09/28/2004 | US6797676 Composition for oil and gas drilling fluids containing organic compounds |
| 09/28/2004 | US6797675 Electrolytically attracting contaminates to surface of solidification agent when hydrated, increasing biodegradation |
| 09/28/2004 | US6797054 Cement slurry foaming and stabilizing additives; biodegradation |
| 09/28/2004 | US6796378 Methods of cementing high temperature wells and cement compositions therefor |
| 09/23/2004 | WO2004081342A2 Method and composition for enhanced hydrocarbons recovery |
| 09/23/2004 | WO2004081338A1 Reverse circulation cementing system and method |
| 09/23/2004 | WO2004080917A1 Foamed compositions and methods of use in subterranean zones |
| 09/23/2004 | WO2004080909A2 Method for increasing the waterproofing of mineral binders, compounds produced with said method and the use thereof |
| 09/23/2004 | WO2004067896A3 Extended particle size distribution ceramic fracturing proppant |
| 09/23/2004 | WO2004061046B1 Aerogels effective to reduce drilling fluid density |
| 09/23/2004 | US20040186254 Water and oil repellent masonry treatments |
| 09/23/2004 | US20040182577 Well completion spacer fluids containing fibers and methods |
| 09/23/2004 | DE10341393B3 Air induction port system for internal combustion engines has exhaust gas return passage made in one piece with casing, and exhaust gas return valve and throttle valve are constructed as cartridge valve for insertion in holes in casing |
| 09/23/2004 | DE10310414A1 Water conditioner for use in still or flowing water (e.g. in oil exploration 'squeeze' operations) contains a polysuccinimide and a biostat |
| 09/22/2004 | EP1460121A1 Well treating fluids |
| 09/22/2004 | EP1458951A1 Use of sulphonated alkyl phenol formaldehydes in the stabilization of ashphaltenes in crude oil |
| 09/22/2004 | EP1292759B1 Process for altering the relative permeability of a hydrocarbon-bearing formation |
| 09/22/2004 | EP1114116B1 Aphron-containing well drilling and servicing fluids of enhanced stability |
| 09/22/2004 | EP1027396B1 Drilling and cementing through shallow waterflows |
| 09/21/2004 | US6794340 Method for removing drill cuttings from wellbores and drilling fluids |
| 09/21/2004 | US6793730 Methods of cementing |
| 09/21/2004 | US6793025 Double emulsion based drilling fluids |
| 09/21/2004 | US6793018 Fracturing using gel with ester delayed breaking |
| 09/21/2004 | CA2264783C Aqueous external crystal modifier dispersion |
| 09/16/2004 | WO2004079160A1 Methods of fracturing subterranean zones, fracturing fluids and breaker activators therefor |
| 09/16/2004 | WO2004078671A1 Flexible cementing compositions and methods for high-temperature wells |
| 09/16/2004 | WO2004067911A3 Propped fracture with high effective surface area |
| 09/16/2004 | US20040180795 Aqueous solution containing cationic fluid loss additive and cationic viscosifier; compositional and bore hole stability |
| 09/16/2004 | US20040180793 Method and system for cement lining a wellbore |
| 09/16/2004 | US20040177968 Gas lift method with surfactant injection |
| 09/16/2004 | US20040177965 Methods of fracturing subterranean zones to produce maximum productivity |
| 09/16/2004 | US20040177964 Sealing composition |
| 09/16/2004 | US20040177963 Foamed compositions and methods of use in subterranean zones |
| 09/16/2004 | US20040177962 Reverse circulation cementing system and method |
| 09/16/2004 | US20040177961 Methods of completing wells in unconsolidated subterranean zones |
| 09/16/2004 | US20040177960 Propped Fracture with High Effective Surface Area |
| 09/16/2004 | US20040177958 Method and composition for enhanced hydrocarbons recovery |
| 09/16/2004 | US20040177957 relative permeability modifier (RPM) macromolecule capable of impeding the production of water and an organosilane halide |
| 09/15/2004 | EP1457639A1 Subterranean zone sealing composition |
| 09/15/2004 | EP1457585A1 Method and compounds for inhibiting corrosion |
| 09/15/2004 | EP1456504A1 A novel fluid system having controllable reversible viscosity |
| 09/15/2004 | EP1456503A1 Aqueous fracturing fluid |
| 09/15/2004 | EP1456502A1 Use of charged amphiphilic statistic polymers for thickening phases comprising giant micelles of surfactants and aqueous compositions comprising same |
| 09/15/2004 | EP1276964B1 A method for treating a hydrocarbon containing formation |
| 09/15/2004 | EP1276963B1 In situ recovery of hydrocarbons from a kerogen-containing formation |
| 09/15/2004 | EP1276961B1 Method for treating a hydrocarbon-containing formation |
| 09/15/2004 | EP1276960B1 A method for sequestering a fluid within a hydrocarbon containing formation |
| 09/15/2004 | EP1268361B1 Cementing compositions and application of these compositions to cementing oil wells or the like |
| 09/15/2004 | EP1204616B1 A low-density and low-porosity cementing slurry for oil wells or the like |
| 09/15/2004 | EP1161511B1 Aphron-containing oil base fluids and method of drilling a well therewith |
| 09/14/2004 | US6790812 Spotting pill/slug containing a lost circulation material consisting of an acid soluble mineral particulate adapted to form an impermeable, acid soluble filtercake upon injection of with said carrier fluid into wellbore and defluidization. |
| 09/14/2004 | US6790811 Using amine surfactant |
| 09/14/2004 | US6789625 In situ thermal processing of a hydrocarbon containing formation using exposed metal heat sources |
| 09/14/2004 | CA2460702A1 Method and compounds |
| 09/14/2004 | CA2126968C Use of selected inhibitors against the formation of solid organic-based incrustations from fluid hydrocarbon mixtures |
| 09/10/2004 | WO2004076817A1 Method and composition for injection at a tunnel boring machine |