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)
11/2005
11/30/2005CN1229408C Polymeric fluid loss additive and method of use thereof
11/30/2005CN1229392C Ligand modified cellulose product
11/29/2005US6968898 Drilling fluid is mixed with a weighted material, and the mixture is introduced into a well bore so that the mixture scours any particles accumulated in well bore; well-completion fluid is introduced into well bore that dissolves weighted material
11/29/2005CA2260446C Methods of reducing water produced with hydrocarbons from wells
11/29/2005CA2135087C Polysaccharide containing fluids having enhanced thermal stability
11/24/2005WO2005110942A2 Adaptive cementitious composites for well completions
11/24/2005WO2005068776A3 Settable fluids comprising particle-size distribution-adjusting agents and methods of use
11/24/2005US20050261138 Viscosified treatment fluids comprising scleroglucan or diutan and associated methods
11/24/2005US20050257932 Filter cake degradation compositions and associated methods
11/24/2005US20050257929 Methods and compositions for consolidating proppant in subterranean fractures
11/23/2005EP1597336A1 Use of a selected legume starch in an industrial fluid
11/23/2005EP1597213A1 Catalytic composition and use thereof in the production of lower molecular weight hydrocarbons
11/23/2005EP1368188A4 Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same
11/22/2005US6967027 Microfibrillated and/or microcrystalline dispersion, in particular of cellulose, in an organic solvent
11/22/2005US6966379 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
11/22/2005US6966376 Method and composition for downhole cementing
11/22/2005US6966372 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids
11/17/2005US20050256012 Containing a cationic formation control additive and potassium formate; contains a homopolymer, or a copolymer of diallyldimethylammonium chloride
11/17/2005US20050252659 Degradable additive for viscoelastic surfactant based fluid systems
11/17/2005US20050252658 System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants
11/16/2005EP1499790B1 Thickened acid compositions and uses thereof
11/16/2005EP1133526B1 Invertible emulsions stabilised by amphiphilic polymers and application to bore fluids
11/15/2005US6964302 Zeolite-containing cement composition
11/10/2005WO2005106197A1 Gelled invert emulsion compositions and methods of use and manufacture
11/10/2005WO2005106192A1 Method for displacing petroleum from a carbonate rock
11/10/2005WO2005105949A1 Drilling fluids
11/10/2005WO2005105695A1 Methods of making cement compositions using liquid additives containing lightweight beads
11/10/2005WO2005105693A1 Methods of using settable compositions in a subterranean formation
11/10/2005WO2005104701A2 Spotting fluid for use with oil-based muds and method of use
11/10/2005US20050250666 Foamer/sulfur scavenger composition and methods for making and using same
11/10/2005US20050250652 Gelled invert emulsion compositions and methods of use and manufacture
11/10/2005US20050247238 Cement compositions with improved mechanical properties and methods of cementing in a subterranean formation
11/10/2005CA2560553A1 Methods of making cement compositions using liquid additives containing lightweight beads
11/09/2005EP1192215B1 Microfibrillated and/or microcrystalline dispersion, in particular of cellulose, in an organic solvent
11/09/2005CN1226393C Oil production additive formulations
11/08/2005US6962201 Cement compositions with improved mechanical properties and methods of cementing in subterranean formations
11/08/2005US6962200 Methods and compositions for consolidating proppant in subterranean fractures
11/08/2005CA2318563C Water soluble invert emulsions
11/08/2005CA2195699C Organoclay compositions manufactured with organic acid derived ester quaternary ammonium compounds, their preparation and non-aqueous fluid systems containing such compositions
11/03/2005WO2005103446A1 Tagged propping agents and related methods
11/03/2005WO2005103194A1 Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations
11/03/2005WO2005090259A3 Cement compositions containing degradable materials and methods of cementing in subterranean formations
11/03/2005WO2005012684A3 Compositions and methods for treating subterranean formations
11/03/2005US20050245401 Propped fracture with high effective surface area
11/03/2005US20050244641 Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids
11/03/2005US20050241828 Providing a settable formulation that comprisesmagnesium oxide, andbrine that comprises water and a divalent salt, wherein the divalent salt does not contain magnesium ;placing the settable formulation in a subterranean formation; allowing to to set to form the hardened mass
11/03/2005US20050241545 Methods of extending the shelf life of and revitalizing lightweight beads for use in cement compositions
11/03/2005US20050241538 Methods of making cement compositions using liquid additives containing lightweight beads
11/02/2005EP1591619A1 Enhanced oil recovery method
11/02/2005EP1590309A2 Extended particle size distribution ceramic fracturing proppant
11/02/2005EP1590308A1 Cement compositions containing flexible, compressible beads and methods of cementing in subterranean formations
11/01/2005US6959773 real-time monitoring and adjustment of multi-viscous oil or synthetic fluid base with Newtonian properties; organometallic additive enhances electric potential effects; manganese naphthenate
11/01/2005US6959767 Remediation treatment of sustained casing pressures (SCP) in wells with top down surface injection of fluids and additives
11/01/2005US6959761 In situ thermal processing of a coal formation with a selected ratio of heat sources to production wells
10/2005
10/27/2005WO2005100746A1 Tagged propping agents and related methods
10/27/2005WO2005100745A1 Composition and process for enhanced oil recovery
10/27/2005WO2005100739A1 Sealant compositions comprising colloidally stabilized latex and methods of using the same
10/27/2005WO2005100534A2 High temperature foamer formulations for downhole injection
10/27/2005WO2005100503A1 Gelled oil with surfactant
10/27/2005WO2005100007A2 Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids
10/27/2005WO2005085361A3 Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery
10/27/2005US20050239664 Spotting fluid for use with oil-based muds and method of use
10/27/2005US20050239663 High molecular weight nonionic polyacrylamide added as a liquid or emulsion, low molecular weight nonionic polyacrylamide added as a powder, long chain alcohols and polyanionic cellulose; stabilizing shale formations; improved waterproofing of well bore walls; gas hydration inhibition
10/27/2005US20050239662 Drilling fluids
10/27/2005US20050236300 Process for well fluids base oil via metathesis of alpha-olefins
10/27/2005DE102004016518A1 Increasing the conveying capacity of oil or gas sources comprises introducing mixtures containing components which react together to produce heat to the oil or gas source
10/27/2005CA2561031A1 Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids
10/26/2005EP1171688B1 Grouting compositions
10/26/2005EP0638049B2 Process for preventing deposits in a structure's drainage system
10/26/2005CN1688669A Drilling fluid containing microspheres and use thereof
10/25/2005US6957702 Cement compositions with improved mechanical properties and methods of cementing in a subterranean formation
10/25/2005CA2388969C Water-based system for altering wettability of porous media
10/25/2005CA2140845C Well drilling and servicing fluids which deposit an easily removable filter cake
10/20/2005WO2005098200A2 Paraffin inhibitors
10/20/2005WO2005098199A2 Clay stabilization in sub-surface formations
10/20/2005WO2005097936A1 Zeolite compositions having enhanced compressive strength
10/20/2005US20050233911 gelled diesel or paraffin oil, made with a gelling agent, e.g. triethyl phosphate, triisopropionic acid aluminum salt, a gel-enhancing zwitterionic surfactant(N-cis-13-docosenoic-N,N,-bis(2-hydroxymethyl)-N-methyl ammonium chloride); sodium acetate breaker; hydraulic fracturing; wellbore/pipes sweeping
10/20/2005US20050230116 Methods and compositions for use with spacer fluids used in subterranean well bores
10/20/2005US20050230114 Reducing water permeability of well bore with water soluble, hyrdophilic polymer comprising dimethylaminoethyl methacrylate and/or dimethylaminopropyl methacrylamide monomer modified with cetyl bromide;
10/20/2005US20050230113 Well treatment fluid and methods for blocking permeability of a subterranean zone
10/20/2005US20050230112 well bores; subterranean formations
10/20/2005CA2559797A1 Paraffin inhibitors
10/19/2005EP1585706A1 Process for the preparation of cabr2 hydrates and uses thereof
10/19/2005CN1685130A Method and compositions for inhibiting formation of hydrocarbon hydrates
10/19/2005CN1684920A Catalytic composition and use thereof in the production of lower molecular weight hydrocarbons
10/19/2005CN1223544C Low-density and Low-porosity cementing slurry for oil wells or the like
10/19/2005CN1223543C Oil well cement slow coagulation agent
10/18/2005US6955220 Hydraulic cement binder and a set-accelerating admixture comprising an alkali or alkaline earth metal nitrate and an alkali or alkaline earth metal nitrite.
10/18/2005CA2370096C Compositions and processes for oil field applications
10/18/2005CA2298880C Inhibition of asphaltene deposition in crude oil production systems
10/18/2005CA2182612C Surfactant additive for oilfield acidizing
10/18/2005CA2165965C Graft polymers of keto-aldehyde condensation or co-condensation products
10/13/2005WO2005095755A1 Process for treating underground formations
10/13/2005WO2005095539A1 Polymersome compositions and associated methods of use
10/13/2005WO2005095538A1 Process for disruption of filter cakes
10/13/2005WO2005095534A2 Fluid loss additives for cement slurries
10/13/2005WO2005094552A2 Method for increasing the production of hydrocarbon liquids and gases
10/13/2005US20050227876 Drag-reducing agent for use in injection water at oil recovery
10/13/2005US20050227874 Composition and method for fracturing subterranean reservoirs
10/13/2005US20050224230 Composition and process for enhanced oil recovery