| 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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| 06/06/2007 | CN1977027A Process for disruption of filter cakes |
| 06/06/2007 | CN1977026A Variable density drilling mud |
| 06/05/2007 | US7226896 Organic emulsion-breaking formula and its use in treating well bores drilled in oil-base mud |
| 06/05/2007 | US7226895 Drilling fluid systems for reducing circulation losses |
| 06/05/2007 | CA2454312C Method and composition for cleaning and inhibiting solid, bitumin tar, and viscous fluid accretion in and on well equipment |
| 05/31/2007 | WO2007061722A2 Separatory and emulsion breaking processes |
| 05/31/2007 | WO2007060581A2 Method and composition of preparing polymeric fracturing fluids |
| 05/31/2007 | WO2007060473A1 Method of culturing unicellular organisms |
| 05/31/2007 | WO2007060389A1 Methods of consolidating unconsolidated particulates in subterranean formations |
| 05/31/2007 | WO2007059941A1 Use of polyvalent metal salts for stabilizing the rheology of liquid phases |
| 05/31/2007 | WO2007059857A1 Polymer dispersions, process for their preparation and use |
| 05/31/2007 | WO2007001344A3 Chemically bonded phosphate ceramic sealant formulations for oil field applications |
| 05/31/2007 | US20070123434 Foamed cement compositions and associated methods of use |
| 05/31/2007 | US20070123433 Treatment fluids and methods using zeolite and a delayed release acid for treating a subterranean formation |
| 05/31/2007 | US20070123432 dehusking, sizing the husk, washing, soaking, flaking, grinding to powder; gel use as fracturing fluid which has a very high viscosity and great capacity for carrying a proppant suspended in the fluid, through the wellbore for the production of oil and gas |
| 05/31/2007 | US20070123431 Polymer hydration method using microemulsions |
| 05/31/2007 | US20070123430 A well drilling, completion or workover fluid that has a continuous phase of the fluid essentially consists of a liquid fluorinated compound; high density, heat resistance; perfluoropolyethers |
| 05/31/2007 | US20070123429 Recyclable foamed fracturing fluids and methods of using the same |
| 05/31/2007 | US20070123428 E.g., 1,1'-thiobis(3-butoxypropan-2-ol) or a mixture of 1,1,-thiobis(3-dodecyloxypropan-2-ol), 1,1,-thiobis(3-tetradecyloxypropan-2-ol) and 1,1,-thiobis(3-hexadecyloxypropan-2-ol); compounds achieve low surface tension at low use levels |
| 05/31/2007 | US20070119627 Method and apparatus for vacuum collecting and gravity depositing drill cuttings |
| 05/31/2007 | US20070119593 Scale dissolver fluid |
| 05/31/2007 | DE102005063376A1 New graft copolymer useful e.g. as an aid in oil production and thickeners, as textile aid, as cementing and grinding additive in stimulation process, preferably in breaking liquids, as water control additives and in tertiary production |
| 05/31/2007 | DE102005056436A1 Polymer dispersion for use e.g. in oil extraction, comprises a copolymer of N-vinyl-amide or nitrogen heterocycle with unsaturated sulfonic acid and optionally other comonomers, dispersed in (poly)alkylene glycol |
| 05/31/2007 | CA2811048A1 Separatory and emulsion breaking processes |
| 05/31/2007 | CA2630658A1 Method of culturing unicellular organisms |
| 05/31/2007 | CA2628148A1 Separatory and emulsion breaking processes |
| 05/30/2007 | EP1790672A2 Aqueous coating composition with improved adhesion to friable surfaces |
| 05/30/2007 | EP1789650A1 Methods for controlling fluid loss |
| 05/30/2007 | CN1970680A Oil well crushing agent |
| 05/30/2007 | CN1970484A Swelled perlite and its preparation method, its uses as modified microbead in producing high intensity low density oil well cement |
| 05/30/2007 | CN1970084A Hydrotalcite-like vesicle compounds and method for preparing same |
| 05/30/2007 | CN1318727C Method for filling well aperture of subterranean terrane with gravel and gravel filling agent |
| 05/29/2007 | US7223719 Contacting a sulfamate stabilized, bromine-based breaker with an aqueous polysaccharide fracturing fluid; reducing the viscosity of fracturing fluids in subterranean oil and gas wells |
| 05/29/2007 | US7222672 Wellbore fluids containing additives for removing a filter cake and methods of using the same |
| 05/29/2007 | CA2241871C Gelling agent for hydrocarbon liquid and method of use |
| 05/29/2007 | CA2165957C Corrosion inhibitor and sealable thread protector end cap |
| 05/24/2007 | WO2007059266A1 Viscoelastic cationic carbohydrate ether compositions |
| 05/24/2007 | WO2007058814A2 Composition and method for thickening heavy aqueous brines |
| 05/24/2007 | WO2007057700A1 Methods of modifying particulate surfaces to affect acidic sites thereon |
| 05/24/2007 | WO2007057637A1 Methods of controlling sand and water production in subterranean zones |
| 05/24/2007 | US20070117723 Contacting a sulfamate stabilized, bromine-based breaker with an aqueous polysaccharide fracturing fluid; comprising bromine chloride, bromine and chlorine; reducing the viscosity of fracturing fluids in subterranean oil and gas wells |
| 05/24/2007 | US20070114028 Fracturing of subterranean formations |
| 05/24/2007 | DE102005055701A1 Use of multi-valent metal salts for stabilizing rheology of liquid phases based on clay component and mixed metal oxide or hydroxide component, e.g. bore hole washings |
| 05/24/2007 | DE102005054038A1 Pyroglutaminsäureester mit verbesserter biologischer Abbaubarkeit Pyroglutamic esters having improved biodegradability |
| 05/24/2007 | CA2776396A1 Methods for recovering oil from an oil reservoir |
| 05/24/2007 | CA2630033A1 Composition and method for thickening heavy aqueous brines |
| 05/24/2007 | CA2629744A1 Viscoelastic cationic carbohydrate ether compositions |
| 05/23/2007 | EP1788061A1 Wellbore fluid comprising a liquid fluorinated phase |
| 05/23/2007 | EP1786882A1 Compositions and methods for water control and strengthening unconsolidated formations |
| 05/23/2007 | EP1786879A2 Method of removing an invert emulsion filter cake after the drilling process using a single phase microemulsion |
| 05/23/2007 | EP1692242B1 Viscoelastic acid |
| 05/23/2007 | CN1969108A System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants |
| 05/23/2007 | CN1966774A Corrosion inhibitor resistant to H2S and CO2 |
| 05/23/2007 | CN1966605A Amphoteric ion polymeric alcohol for drilling fluid and its preparation method |
| 05/22/2007 | US7220709 Process of diverting stimulation fluids |
| 05/22/2007 | US7220708 Reducing water permeability of well bore using water soluble (optionally) quaternized (meth)acrylate or (meth)acrylamide copolymers comprising hydrophilic and hydrophobic comonomers |
| 05/22/2007 | US7220707 Sized barite as a weighting agent for drilling fluids |
| 05/22/2007 | US7220454 coating polymeric beads with aqueous solutions of alumoxanea, drying, heating to convert to amorphous alumina or aluminate coatings, dissolving in solvents to removing the polymer and firing to form hollow microstructure particles used as proppants or porous membranes; filters |
| 05/22/2007 | US7219735 Immiscible with capping fluid; preventing pollution; kits |
| 05/22/2007 | US7219731 Degradable additive for viscoelastic surfactant based fluid systems |
| 05/22/2007 | CA2391721C Hydrocarbon production process with decreasing steam and/or water/solvent ratio |
| 05/22/2007 | CA2228807C Process for producing an oil and water adsorbent polymer capable of entrapping solid particles and liquids and the product thereof |
| 05/18/2007 | WO2007056453A2 Pre-engineered pills for the improvements of drilling muds |
| 05/18/2007 | WO2007056392A2 Polycationic viscoelastic compositions |
| 05/18/2007 | WO2007056006A1 Shale inhibition |
| 05/18/2007 | WO2007054688A1 Drilling and cementing with fluids containing zeolite |
| 05/18/2007 | WO2007054670A2 Compositions comprising melt-processed inorganic fibers and methods of using such compositions |
| 05/18/2007 | WO2007054666A1 Liquid additive for reducing water-soluble chromate |
| 05/18/2007 | WO2007054663A1 Settable spotting compositions comprising cement kiln dust and methods of using them |
| 05/18/2007 | WO2007054226A1 Use of pyroglutamic acid esters as gas hydrate inhibitors with improved biodegradability |
| 05/18/2007 | WO2007054225A2 Pyroglutamic acid esters with improved biodegradability |
| 05/18/2007 | WO2007033489A3 Slurry compositions and methods for making same |
| 05/18/2007 | WO2007020436A3 Rapid setting plugging compositions and methods for sealing subterranean formations |
| 05/18/2007 | WO2007018922A3 Organosulfonyl latent acids for petroleum well acidizing |
| 05/18/2007 | WO2006051255A1 Surfactant system method |
| 05/18/2007 | CA2629288A1 Surfactant system method |
| 05/18/2007 | CA2628718A1 Polycationic viscoelastic compositions |
| 05/18/2007 | CA2628509A1 Viscoelastic compositions comprising polycationic quaternary ammonium compounds |
| 05/18/2007 | CA2628498A1 Viscoelastic compositions comprising polycationic quaternary ammonium compounds |
| 05/17/2007 | US20070111903 Separatory and emulsion breaking processes |
| 05/17/2007 | US20070111902 Methods for Using Reversible Phase Oil-Based Drilling Fluid |
| 05/17/2007 | US20070111901 Method of servicing a wellbore with a sealant composition comprising solid latex |
| 05/17/2007 | US20070111900 Sealant compositions comprising solid latex |
| 05/17/2007 | US20070111899 Pre-engineered pills for the improvement of drilling muds |
| 05/17/2007 | US20070111898 Methods and compositions for treating subterranean zones |
| 05/17/2007 | US20070111897 For use as a well servicing fluid; cationic guar as natural polymer is desirable; well completion |
| 05/17/2007 | US20070111896 Viscoelastic cationic carbohydrate ether compositions |
| 05/17/2007 | US20070111895 Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations |
| 05/16/2007 | EP1646702B1 Delayed phase changing agent for invert emulsion drilling fluid |
| 05/16/2007 | CN1965146A Aqueous-based tackifier fluids and methods of use |
| 05/16/2007 | CN1962809A Leakproof low-fluid-loss cement slurry |
| 05/16/2007 | CN1962808A Drilling fluid with strong inhibition capability capable of improving stability shaft wall |
| 05/16/2007 | CN1962705A Preparation method of haloduric thickener |
| 05/16/2007 | CN1315979C Biological enzyme oil-displacing agent for increasing crude oil production rate and its oil displacing method |
| 05/16/2007 | CN1315978C Deep plugging agent containing wood dust and gel |
| 05/16/2007 | CN1315977C Oil layer protecting drilling fluid without clay |
| 05/16/2007 | CA2559111A1 Oilfield elements having controlled solubility and methods of use |
| 05/15/2007 | US7216712 Treatment of oil wells |
| 05/15/2007 | US7216711 Methods of coating resin and blending resin-coated proppant |
| 05/15/2007 | US7216710 acidizing solution comprises an acid and a corrosion inhibiting compound comprising the reaction product of a thiol compound and an aldehyde compound; acidizing a near well bore region of a subterranean formation |