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)
12/2003
12/30/2003US6668947 Drill cutting treatment method
12/30/2003US6668929 Methods and oil-based settable spotting fluid compositions for cementing wells
12/30/2003US6668928 Resilient cement
12/30/2003US6668927 Well completion foamed spacer fluids and methods
12/30/2003US6668926 Methods of consolidating proppant in subterranean fractures
12/30/2003CA2211319C A method for enhancing fluid loss control in subterranean formation
12/30/2003CA2085610C Fluid drill-hole treatment agents based on polycarboxylic acid diesters
12/25/2003US20030236175 Process for well fluids base oil via metathesis of alpha-olefins
12/25/2003US20030236174 Viscoelastic Surfactant Fluids Stable at High Brine Concentration and Methods of Using Same
12/25/2003US20030236173 To increase the viscosity or decrease the fluid loss of well drilling and servicing fluids
12/25/2003US20030236172 Method for reducing sag in drilling, completion and workover fluids
12/25/2003US20030236171 Method for removing drill cuttings from wellbores and drilling fluids
12/25/2003US20030234106 Downhole tool and method for fracturing a subterranean well formation
12/25/2003US20030234105 Fracturing fluids containing borate esters as crosslinking agents and method of using same
12/25/2003US20030234103 Method for treating subterranean formation
12/25/2003US20030234102 Methods of sealing expandable pipe in well bores and sealing compositions
12/25/2003CA2563528A1 Fracturing fluids containing borate esters as crosslinking agents and method of using same
12/24/2003WO2003106812A1 Oil-field development
12/24/2003WO2003106810A1 Method for scale inhibition in oil wells
12/24/2003WO2003106809A1 Method of preparing microparticles
12/24/2003WO2003106587A1 Double emulsion based drilling fluids
12/24/2003WO2003106586A1 Use of anionic dispersion polymers as viscosity modifiers in aqueous drilling fluids
12/24/2003WO2003106585A1 Methods of consolidating formations or forming chemical casing or both while drilling
12/24/2003WO2003106584A1 Lubricants for drilling mud containing silicic acid
12/24/2003WO2003106366A1 Cementitious composition
12/24/2003WO2003074634A3 Improved hydrocarbon fluids
12/24/2003CA2488810A1 Method of preparing microparticles
12/24/2003CA2487951A1 Lubricants for drilling mud containing silicic acid
12/23/2003US6667354 Stable liquid suspension compositions and suspending mediums for same
12/23/2003US6667280 Fluid system having controllable reversible viscosity
12/23/2003US6667279 Swellable polymer gel for wells; crosslinking system is either a redox system or a chelating system
12/23/2003US6666268 Methods and oil-based settable drilling fluid compositions for drilling and cementing wells
12/23/2003CA2272999C Well fluid additive
12/23/2003CA2217637C Control of particulate flowback in subterranean wells
12/23/2003CA2217636C Control of particulate flowback in subterranean wells
12/23/2003CA2217380C Methods of decomposing gas hydrates
12/20/2003CA2431477A1 Well cementing methods and compositions
12/18/2003WO2003054051A8 Method and composition for recovering hydrocarbon fluids from a subterranean reservoir
12/18/2003WO2002027137A8 Well sealing method and apparatus
12/18/2003US20030232727 For high speed shear-thinning and viscosification
12/18/2003US20030232726 Also comprises octlydodecanol and alkylglucoside for subterranean drilling fluids/well bores
12/18/2003US20030230431 Methods of consolidating formations or forming chemical casing or both while drilling
12/18/2003US20030230408 Method of completing a well in an unconsolidated formation
12/18/2003US20030230407 Cementing subterranean zones using cement compositions containing biodegradable dispersants
12/17/2003EP1370336A2 Demulsifier for aqueous completion fluids
12/16/2003US6664215 Flowable slurry comprising magnesium oxychloride and water; rapid phase transition; nongelling
12/16/2003US6662885 Method and apparatus for providing a stream of pressurized substantially inert gas
12/16/2003US6662873 Methods and compositions for forming permeable cement sand screens in wells
12/16/2003US6662871 Spotting fluid for differential sticking
12/16/2003CA2057061C Use of selected oleophilic ethers in water-based drilling fluids of the o/w emulsion type and corresponding drilling fluids with improved ecological acceptability
12/13/2003CA2431857A1 Cementing subterranean zones using cement compositions containing biodegradable dispersants
12/11/2003WO2003102361A1 Methods of generating gas in and foaming well cement compositions
12/11/2003WO2003102108A1 Methods of generating gas in well fluids
12/11/2003WO2003102107A1 Methods of generating gas in well treating fluids
12/11/2003WO2003102106A2 Hydrocarbon recovery
12/11/2003WO2003102086A2 Particulate material having multiple curable coatings and methods for making and using same
12/11/2003WO2003101920A1 Process for the production of a well fluids base oil via metathesis of alpha-olefins
12/11/2003US20030228985 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids
12/11/2003CA2486598A1 Methods of generating gas in well fluids
12/11/2003CA2486570A1 Methods of generating gas in and foaming well cement compositions
12/11/2003CA2486567A1 Methods of generating gas in well treating fluids
12/10/2003EP1369551A1 Composition and method for reducing the permeability of a subterranean zone
12/10/2003EP1369401A2 Sealing composition
12/10/2003EP1368553A1 Well treatment
12/10/2003EP1368509A2 Composition and method for inhibition of metal corrosion
12/10/2003EP1368188A1 Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
12/10/2003EP1152996B1 Cementing compositions and application of such compositions for cementing oil wells or the like
12/10/2003EP1144540B1 Removal of h2s from drilling muds
12/09/2003US6660694 Thermally responsive aqueous silicate mixture
12/09/2003US6660693 Methods for dewatering shaly subterranean formations
12/09/2003US6660080 Particulate flow enhancing additives
12/09/2003US6660078 Sealing pipes in well bore; mixture of hydraulic cements, water and sodium bentonite adjuvant
12/09/2003CA2244409C Electrical well logging fluid and method of using same
12/05/2003CA2430790A1 Compositions and methods including formate brines for conformance control
12/04/2003WO2003100215A2 Mitigation of proppant sticking in removing downhole tools
12/04/2003WO2003100214A1 Use of surface-modified nanoparticles for oil recovery
12/04/2003US20030224946 Sealing composition
12/04/2003US20030224945 Removing products from the gaseous ethylene to drive the reaction to completion and isomerization of the products; intermediate for forming an alkenylsuccinic anhydride surfactant or a plasticizer
12/04/2003US20030224165 Particulate material having multiple curable coatings and methods for making and using same
12/04/2003US20030221832 Foaming aqueous well fluids introduced into a subterranean zone are provided. A method of the invention includes the steps of combining with an alkaline aqueous well fluid one or more gas generating chemicals and a mixture of foaming and
12/04/2003US20030221831 Methods of generating gas in well treating fluids
12/04/2003US20030221825 Hydrocarbon recovery
12/03/2003EP1366269A1 Improved electron transfer agents in well acidizing compositions and methods
12/03/2003EP1240407B1 Process for treating an oil well
12/02/2003US6656989 Compositions comprising water soluble copolymer and cesium salt of a carboxylic acid
12/02/2003US6656885 Containing a polar additive comprising water soluble compounds containing one or more hydroxyl groups and/or one or more amino groups; drilling a well utilizing such fluids.
12/02/2003US6656265 Hollow microspheres, Class G Portland cement, and Class G Portland microcement; arctic zones or in deep water holes
12/02/2003US6656263 Lightened cement slurries
12/02/2003CA2359844C Aphron-containing aqueous well drilling and servicing fluids
11/2003
11/30/2003CA2421331A1 Slurry for hydrocarbon production and water injection well cementing, and procedures to cement wells using such slurry
11/27/2003WO2003097996A1 Hydraulic fracturing method
11/27/2003WO2003097995A1 Viscoelastic surfactant fluids stable at high brine concentration and methods of using same
11/27/2003WO2003097994A1 System for treating an underground formation
11/27/2003US20030220204 Use of surface-modified nanoparticles for oil recovery
11/27/2003US20030220203 Comprising alkaline borate particles, low molecular weight polyether and an hydrogenated castor oil or wax stabilizer, for use crosslinking hydraulic fracturing fluid, fracturing a subterranean formation; storage stability
11/27/2003US20030220202 Hydrate-inhibiting well fluids
11/27/2003US20030217847 Hardening hydraulic cements in oil and gas wells; forming annular sheath; pumping slurry; hardening
11/27/2003US20030217846 Mitigation of proppant sticking in removing downhole tools
11/26/2003EP1365104A1 Treating subtterranean zones
11/26/2003EP1364107A1 Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block