| 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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| 06/30/2005 | WO2005001241A3 Method for stimulating an oilfield comprising using different scale-inhibitors |
| 06/30/2005 | US20050143511 For use in drilling mud and fillers in paints; low zeta potential; papermaking |
| 06/30/2005 | US20050139356 Method for enhancing the retention efficiency of treatment chemicals in subterranean formations |
| 06/30/2005 | US20050139354 A Method Of Gravel Packing With Oil-Based Carrier Fluid |
| 06/30/2005 | US20050139130 Control of curing time by addition of cationically modified or amino-modified cellulose ether; or an hydroxyethoxyl substituted cellulose ether; construction applications, casting, extruding, grout, tile adhesives, oil well cementing slurries |
| 06/30/2005 | CA2546469A1 Polyamine salts as clay stabilizing agents |
| 06/29/2005 | EP1546507A1 Acid-coated sand for gravel pack and filter cake clean-up |
| 06/29/2005 | EP1546282A1 Borehole treatment agent containing low toxic oil phase |
| 06/28/2005 | US6911419 Comprises gelling agent (guar); delay occurring at pH below threshold for precipitate formation; well bores/completion |
| 06/28/2005 | US6911418 Method for treating a subterranean formation |
| 06/28/2005 | US6911417 For removing water from near-wellbore portion of subterranean formation when drilling for crude oil; well completion |
| 06/28/2005 | US6911078 Based on a Portland cement, silica and alumina; suitable for cementing wells subjected to high temperature and chemical attack by brines |
| 06/28/2005 | US6910537 Canister, sealing method and composition for sealing a borehole |
| 06/28/2005 | US6910536 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 06/28/2005 | US6910535 Method for enhancing the stability of a water sensitive, reactive subterranean formation |
| 06/28/2005 | CA2240290C Drilling fluid loss prevention and lubrication additive |
| 06/23/2005 | WO2005018300A3 Alkylxylene sulfonates for enhanced oil recovery processes |
| 06/23/2005 | WO2004092254A3 Particulate material containing thermoplastic elastomer and methods for making and using same |
| 06/23/2005 | WO2004030788A3 Biochemical method for the treatment and prevention of emulsions in oil-wells and on surface equipment |
| 06/23/2005 | US20050137114 environmentally friendly, biodegradable, nondepositing and high temperatures resistant aqueous foaming agents comprising a mixture of anionic, cationic and zwitterionic surfactants, used as drilling fluids |
| 06/23/2005 | US20050137095 enhancing oil recovering during well drilling, injecting a mixture of a glycol solution of tallow amidopropyldimethylamine oxide surfactant and phosphonate acidizing solution; do not react quickly with the formation, can be spread deeper and allow maximum penetration into the formation |
| 06/23/2005 | US20050137094 Subterranean formation treatment fluids and methods of using such fluids |
| 06/23/2005 | US20050133222 Curing hydraulic cementitious slurry containing spherical zeolites to obtain a lower compressive strength then that of neat as well as obtaining an increase in flexural strength and less brittleness; pumping the activated slurry within the gas or oil well bore to a pre-selected location and solidifying |
| 06/23/2005 | US20050133221 Cementing in a subterranean zone by providing a low density foamed cement comprising fly ash comprising calcium oxide or calcium hydroxide, water to form a slurry, foaming or foam stabilizing surfactant and gas; setting |
| 06/23/2005 | CA2457698A1 Environmental drilling fluid |
| 06/23/2005 | CA2451926A1 Salt free invert drilling mud |
| 06/22/2005 | EP1544406A2 Colloidal and colloidal-like systems in aqueous, clay-based fluids |
| 06/22/2005 | EP1543216A1 Delayed-gelation solution |
| 06/22/2005 | EP1543214A2 Non-corrosive amphoteric surfactants and method of well treatment |
| 06/21/2005 | US6908888 Injecting down a well an aqueous fluid comprising a thickening amount of a viscoelastic surfactant; providing a breaking system that causes a reduction in viscosity of the fluid after its injection |
| 06/21/2005 | US6908887 Providing a condensation product of a dimer fatty acid and diethanolamine; and combining the condensation product with the drilling fluid, thereby suspending the components in the drilling fluid |
| 06/21/2005 | US6908886 Annular fluids and method of emplacing the same |
| 06/21/2005 | US6908508 Displacement fluid comprising vitrified shale and hydrated lime in well bore; drilling |
| 06/21/2005 | US6907929 Cementing compositions and the use of such compositions for cementing wells |
| 06/21/2005 | US6907928 Storable cementitious slurries containing boric acid and method of using the same |
| 06/21/2005 | CA2424800C Improved method and product for cementing hydrocarbon wells |
| 06/20/2005 | CA2457700A1 Mutual solvent for improved oil and gas permeability |
| 06/16/2005 | WO2005054625A1 Zeolite-containing remedial compositions |
| 06/16/2005 | WO2005054544A1 Methods and compositions for inhibiting metal corrosion |
| 06/16/2005 | WO2005054402A1 Carbon dioxide foamed fluids |
| 06/16/2005 | WO2005000747A3 Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation |
| 06/16/2005 | US20050130849 Methods of reducing fluid loss in a wellbore servicing fluid |
| 06/16/2005 | US20050130848 Compositions and methods for improving fracture conductivity in a subterranean well |
| 06/16/2005 | US20050130846 aqueous well service fluid contains a water soluble copolymers of ACRYLAMIDOMETHYLPROPANESULFONIC ACID or salt thereof in ALKALI METAL C1 TO C2 CARBOXYLIC ACID; high temperature viscosity for well drilling fluids; flow control agents |
| 06/16/2005 | US20050130845 Drilling composition contains a REACTIVATING A DEACTIVATED, ENCAPSULATED ENZYME; for use in downhole drilling operations; change in pH |
| 06/16/2005 | US20050126786 Viscoelastic acid |
| 06/16/2005 | US20050126785 Filter cake degradation compositions and methods of use in subterranean operations |
| 06/16/2005 | US20050126784 Treatment of oil wells |
| 06/16/2005 | US20050126782 Acid ammonium salts of an imide of polymaleic anhydride; hydraulic fracturing fluids used in enhanced oil recovery |
| 06/16/2005 | US20050126781 Methods of generating gas in well treating fluids |
| 06/16/2005 | US20050126780 Compositions and methods for improving fracture conductivity in a subterranean well |
| 06/16/2005 | US20050126778 Hydraulic fracturing using non-ionic surfactant gelling agent |
| 06/16/2005 | CA2549127A1 Methods and compositions for inhibiting metal corrosion |
| 06/15/2005 | EP1540126A2 Shale hydration inhibition agent and method of use |
| 06/15/2005 | EP1539901A1 Method for reducing sag in drilling, completion and workover fluids |
| 06/15/2005 | EP1290310A4 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 06/15/2005 | EP0922078B1 An additive for increasing the density of a fluid and fluid comprising such additive |
| 06/15/2005 | CN1206442C Method for preparing controlled size microgel and its use |
| 06/14/2005 | US6906535 Method for characterizing water-in-oil emulsions using electrical wave forms |
| 06/14/2005 | US6906010 For high speed shear-thinning and viscosification |
| 06/14/2005 | US6906009 In an amount sufficient to reduce fluid density at least 15%, preferably at least 20% and most preferably at least 30%; may reduce density to that of ambient seawater |
| 06/14/2005 | US6905698 Particulate carrier for biocide formulations |
| 06/14/2005 | US6904972 A foamed, viscoelastic surfactant based fracturing fluid for fracturing a subterranean formation and transporting proppant into thus created fractures; harmless to both the environment and subterranean formations |
| 06/14/2005 | US6904971 Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations |
| 06/14/2005 | CA2101799C Process for reducing hydrate agglomeration in effluents |
| 06/09/2005 | WO2005052310A2 Methods of using cement compositions having long-term slurry-state stability |
| 06/09/2005 | WO2005052309A1 Methods, cement compositions and oil suspensions of powder |
| 06/09/2005 | WO2005051865A1 Dispersant compositions for cement compositions and related methods |
| 06/09/2005 | US20050124738 Compositions and methods for using zwitterionic polymeric suds enhancers |
| 06/09/2005 | US20050124525 Well bore fluids; well completion fluids |
| 06/09/2005 | US20050124503 Fluid control agent contaning an acrylamide copolymer derivative, anhyidrous ferric chloride, a dispersant, and a hydratable polymer; well completion; construction cementing operations |
| 06/09/2005 | US20050124502 Sealing mixture comprising a formation bridging component, a seepage loss component, and an oil wetting component; cellulose fibers, lecithin, graphite and calcium carbonate; compressed form pellet or in a solution; for sealing a subterranean zone |
| 06/09/2005 | US20050124500 Carbon dioxide foamed fluids |
| 06/09/2005 | US20050124499 Oil- or water-based solution with polymeric resin binder and microspheres dispersed therein; reduce fluid density; hollow microspheres are incompressible, easy to maintain the pressure of the fluid, reduces costs without using pumps associated with gas-injection processes |
| 06/09/2005 | US20050123437 Methods and compositions for inhibiting metal corrosion |
| 06/09/2005 | US20050121194 Comprising a hydraulic cement, water, and an acrylamide copolymer derivative as fluid loss control additive, an inorganic compound, and an additive of a hydratable polymer and/or a dispersant; well completion and remedial operations, e.g.,cementing, casings and liners in well bores; production wells |
| 06/09/2005 | US20050120920 pumpable slurry of hydraulic cement, rubber particles such as those made from recycled tires, carbon fibers of specified length, and water; tensile strength, elasticity |
| 06/08/2005 | EP1538301A1 Method and composition for remediating fluid losses during drilling |
| 06/08/2005 | CN1205404C Improved method for production and delivery of heavy crude oil |
| 06/07/2005 | US6903054 Hydrocarbon-containing formation is disclosed. The method includes injecting a well treating fluid into a well, wherein the well treating fluid includes a self- diverting acid that includes about 1% to 30% by weight of at least one acid such |
| 06/07/2005 | US6902821 Methods of preparing gypsum wallboards containing styrene butadiene latex additive |
| 06/07/2005 | US6902004 In situ thermal processing of a hydrocarbon containing formation using a movable heating element |
| 06/07/2005 | US6902003 Allowing heat to transfer from heaters to a formation selected for heating using a total organic matter weight percentage of > 5% and recirculating hydrogen |
| 06/07/2005 | US6902002 Cement compositions comprising improved lost circulation materials and methods of use in subterranean formations |
| 06/07/2005 | US6902001 Cementing compositions and application of such compositions for cementing oil wells or the like |
| 06/07/2005 | CA2275711C On-line, thermo-chemical process for the dewaxing of oil export pipelines |
| 06/07/2005 | CA2214459C Process for the consolidation of sand |
| 06/02/2005 | WO2005049962A2 Compositions and methods for weighting a breaker coating for uniform distribution in a particulate pack |
| 06/02/2005 | WO2005023959A3 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 |
| 06/02/2005 | US20050115710 Method of well treatment |
| 06/01/2005 | EP1534927A1 Process for treating a formation |
| 06/01/2005 | EP1534926A1 Viscosity reduction of viscoelastic surfactant based fluids |
| 06/01/2005 | EP1534922A1 Method and compositions for inhibiting formation of hydrocarbon hydrates |
| 06/01/2005 | EP1534921A1 Gas hydrate inhibitors |
| 06/01/2005 | EP1534798A1 Drilling fluid containing microspheres and use thereof |
| 06/01/2005 | EP1534644A1 Well cementing compositions and methods |
| 05/31/2005 | US6899177 Methods of cementing subterranean zones with cement compositions having enhanced compressive strengths |
| 05/29/2005 | CA2488260A1 Anionic viscoelastic surfactant |
| 05/26/2005 | WO2005047643A1 Dissolving filter cake |
| 05/26/2005 | WO2005047212A1 Processes for incorporating inert gas in a cement composition containing spherical beads |