| 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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| 04/21/2005 | US20050081714 Prevent plugging of conduit, pipes, transfer lines |
| 04/21/2005 | US20050081432 Antiplugging of conduits, valves |
| 04/21/2005 | CA2540560A1 Solid-liquid separation of oil-based muds |
| 04/20/2005 | EP1523606A1 Method for completing injection wells |
| 04/20/2005 | EP1274802A4 Suspensions of water soluble polymers in surfactant free non-aqueous solvents |
| 04/20/2005 | CN1608168A Aqueous fracturing fluid |
| 04/20/2005 | CN1197813C Sludge consolidating agent |
| 04/19/2005 | US6881709 Injecting solution containing thickener |
| 04/19/2005 | US6881708 A crosslinkable sealing composition comprising latex, melamine-formaldehyde resin and a catalyst to seal a subterranean zone of a well bore and restore pressurization; recovering hydrocarbon oils |
| 04/19/2005 | US6881231 Reducing deposition of mineral salts, in particular, from aqueous supersaturated solutions; reducing scaling |
| 04/19/2005 | US6880635 Methods and systems for production of hydrocarbons, hydrogen, and/or other products from underground coal formations |
| 04/19/2005 | CA2196775C Hydrate inhibition |
| 04/14/2005 | WO2005019484A3 Charging material for producing refractory high-strength spherical granules and method for the production thereof |
| 04/14/2005 | US20050080182 Superabsorbent polymer aqueous paste and coating |
| 04/14/2005 | US20050080176 Subterranean wells; aqueous solution; well completion |
| 04/14/2005 | US20050080161 Accurate calibration of impacting cementing fluid; enhanced stability |
| 04/14/2005 | US20050080145 Forming a drilling fluids, thickening with a variety of clays, which has PH alkalinity |
| 04/14/2005 | US20050079981 Via injecting consolidating furan-based resin |
| 04/14/2005 | US20050077047 Providing a fracturing fluid having a first pH; foaming the fracturing fluid; introducing the foamed fracturing fluid into a subterranean formation to fracture the subterranean formation; defoaming the fracturing fluid by changing pH |
| 04/14/2005 | US20050077045 Methods of cementing subterranean zones with cement compositions having enhanced compressive strengths |
| 04/14/2005 | US20050077044 Low residue well treatment fluids and methods of use |
| 04/14/2005 | US20050076812 Includes a hydraulic cement, lightweight beads, and a desegregating agent for inhibiting segregation of the beads |
| 04/13/2005 | EP1521813A1 A drag-reducing agent for use in injection water at oil recovery |
| 04/13/2005 | EP1301686B1 Combined liner and matrix system |
| 04/13/2005 | EP1210504B1 Tunnel boring method |
| 04/13/2005 | EP1171543A4 Fluids and techniques for hydrocarbon well completion |
| 04/13/2005 | CN1606654A Aqueous viscoelastic fluid |
| 04/13/2005 | CN1606607A Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system |
| 04/13/2005 | CN1196762C Stable slurry for digging, its preparing method and digging method |
| 04/12/2005 | US6877563 Methods of drilling and completing well bores |
| 04/12/2005 | US6877560 Methods of preventing the flow-back of particulates deposited in subterranean formations |
| 04/12/2005 | US6877554 Pyrolysis |
| 04/12/2005 | CA2469259C A novel fluid system having controllable reversible viscosity |
| 04/07/2005 | WO2005031114A1 Oil-well cement slurry |
| 04/07/2005 | WO2005030672A2 Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
| 04/07/2005 | US20050075249 adjuvants blends comprised a homopolymer and a copolymer which is calcium tolerant, anionic and disperses basic cement slurries, used for cementing subterranean formation penetrated by well bores; well completion |
| 04/07/2005 | US20050074417 Polymeric gel system and compositions for treating keratin substrates containing same |
| 04/07/2005 | US20050072599 Zeolite-containing remedial compositions |
| 04/07/2005 | US20050072570 Contamination-resistant sand control apparatus and method for preventing contamination of sand control devices |
| 04/07/2005 | US20050072046 Biodegradable mulching-mat for preventing weeds and method for manufacturing the mat |
| 04/06/2005 | EP1520086A1 Self-diverting pre-flush acid for sandstone |
| 04/06/2005 | EP1520085A1 Compositions and methods for treating a subterranean formation |
| 04/06/2005 | EP1519998A1 System and method for removing particles from a well bore |
| 04/06/2005 | CN1604987A A novel fluid system having controllable reversible viscosity |
| 04/06/2005 | CN1195699C Universal well cement additives and methods |
| 04/05/2005 | US6875729 Sealing composition |
| 04/05/2005 | US6875728 Thickening compound of a cationic surfactant, an amphoteric surfactant and an anionic surfactant, and water with no inorganic salt; formation has material that swells or migrates upon exposure to the fluid |
| 04/05/2005 | US6874580 Method for enhancing well productivity |
| 04/05/2005 | US6874578 Cementing compositions and application of such compositions to cementing oil wells or the like |
| 04/05/2005 | CA2387248C A novel fluid system having controllable reversible viscosity |
| 04/05/2005 | CA2195096C Method of controlling production of excess water in oil and gas wells |
| 03/31/2005 | WO2005028588A1 Methods and compositions for treating subterranean zones |
| 03/31/2005 | WO2005028587A2 Improved subterranean treatment fluids and methods of treating subterranean formations |
| 03/31/2005 | WO2005001242A3 Composition and method for diversion agents for acid stimulation of subterranean formations |
| 03/31/2005 | WO2004106457A3 Aqueous fluid comprising a boronate polymer and a ligand polymer and use thereof in the exploitation of oil and gas deposits |
| 03/31/2005 | US20050070443 Additive for enhanced treatment of oil well contaminants |
| 03/31/2005 | US20050067350 Via contacting with water-in-oil emulsion comprising polyacrylamide |
| 03/31/2005 | US20050067194 by mixing water in oil emulsions comprising polymer derived from water soluble monomers |
| 03/31/2005 | US20050067165 Method of acidizing a subterranean formation with diverting foam or fluid |
| 03/31/2005 | US20050067164 Scaling inhibitors and method for using the same in high density brines |
| 03/31/2005 | CA2538753A1 Method and composition for recovering hydrocarbon fluids from a subterranean reservoir |
| 03/30/2005 | EP1518037A1 Methods of sealing expandable pipe in well bores and sealing compositions |
| 03/30/2005 | EP1517973A1 Method for removing drill cuttings from wellbores and drilling fluids |
| 03/29/2005 | US6871707 In situ thermal processing of a hydrocarbon containing formation with carbon dioxide sequestration |
| 03/29/2005 | CA2241362C Compositions and processes for treating subterranean formations |
| 03/29/2005 | CA2108992C Process for reducing hydrate aggregation trend in process effluents |
| 03/29/2005 | CA2106753C Method for inhibiting reactive argillaceous formations, and use thereof in a drilling fluid |
| 03/24/2005 | WO2005026493A2 Phospholipid lubricating agents in aqueous based drilling fluids |
| 03/24/2005 | WO2005026288A1 Fluid loss control and sealing agent for drilling depleted sand formations |
| 03/24/2005 | WO2005026287A1 Drilling fluid and method for enhanced suspension |
| 03/24/2005 | WO2005005773A3 A process for enhanced recovery of crude oil from oil wells using novel microbial consortium |
| 03/24/2005 | WO2005003513B1 Hydraulic fracturing method |
| 03/24/2005 | WO2004104368A3 Methods for controlling water and particulate production from subterranean formations |
| 03/24/2005 | US20050065041 gelled acids for diversion and leakoff control in matrix acidizing and acid fracturing; reducing agents and reducing agent precursors that are less toxic to aquatic species and that leave less residue |
| 03/24/2005 | US20050065040 Methods and compositions for treating subterranean formations using high ionic strength gelling agent polymers |
| 03/24/2005 | US20050065039 Fluids for use in oilfield development comprising deacetylated xanthan gum and at least one compound increasing the ionic strength of the medium |
| 03/24/2005 | US20050065038 comprise water, a water soluble hydrophobically modified gelling agent polymer eg cellulose; increased radiuses of gyration |
| 03/24/2005 | US20050065037 chemical binders selected from high melting point surfactants, waxes, organic acids or polymer blends, used as protective coatings for screens from damage during insertion into wells and once in the well, release reactive materials to react with and degrade potentially plugging materials |
| 03/24/2005 | US20050061510 Method for enhancing gas well secondary recovery operations |
| 03/24/2005 | US20050061509 Methods for prodcing fluids from acidized and consolidated portions of subterranean formations |
| 03/24/2005 | US20050061507 Methods of treating subterranean zones using gelled aqueous treating fluids containing environmentally benign sequestering agents |
| 03/24/2005 | US20050061505 Cement compositions comprising strength-enhancing lost circulation materials and methods of cementing in subterranean formations |
| 03/24/2005 | US20050061504 Methods and compositions for treating subterranean zones |
| 03/24/2005 | US20050061502 Methods and compositions for breaking viscosified fluids |
| 03/24/2005 | US20050061206 Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations |
| 03/23/2005 | EP1515924A1 Cementitious composition |
| 03/23/2005 | EP1421255B1 Method for inhibiting hydrate formation |
| 03/23/2005 | EP1282675B1 Biodegradable lubricating composition and uses thereof, in particular in a bore fluid |
| 03/23/2005 | EP1149059B1 Well cementing methods and compositions |
| 03/17/2005 | WO2005024220A1 Air-intake duct system for a combustion engine |
| 03/17/2005 | WO2005024181A1 Methods for enhancing the consolidation strength of resin coated particulates |
| 03/17/2005 | WO2005024180A1 Systems and methods for treating a subterranean formation using carbon dioxide and a crosslinked fracturing fluid |
| 03/17/2005 | WO2005024179A2 Methods for forming a permeable and stable mass in a subterranean formation |
| 03/17/2005 | WO2005024175A1 Dual function cement additive |
| 03/17/2005 | WO2005023959A2 Oil-based drilling fluid comprising a non-polluting emulsifying system which can be used for any base oil and which is stable in respect of gas hydrates formation |
| 03/17/2005 | WO2005023958A1 High performance water-based drilling mud and method of use |
| 03/17/2005 | WO2004081342A3 Method and composition for enhanced hydrocarbons recovery |
| 03/17/2005 | US20050059558 Methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
| 03/17/2005 | US20050059557 Subterranean treatment fluids and methods of treating subterranean formations |
| 03/17/2005 | US20050059556 drilling a well bore in a subterranean formation, using a treatment fluid containing a base fluid, a viscosifier, a fluid loss control additive, and a degradable bridging agent such as, polysaccharide, a chitin, a chitosan, a protein, a polyester, a poly(glycolide), a poly( lactide), polycarbonate etc. |