C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations

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)
11/2001
11/28/2001	EP0886718B1 Oil and gas field chemicals
11/28/2001	CN1075545C Composition of N,N-dialkylamides to control the formation of emulsions or sludge during drilling or workover of producing oil wells and the application
11/27/2001	US6323158 Well fluid additive, well fluid made therefrom, method of treating a well fluid, method of circulating a well fluid
11/27/2001	US6323157 Drilling wells using fluids comprising base oils comprising about 50 to 100 wt % substantially linear internal tetradecene isomers and about 0 to 50 wt % substantially linear internal hexadecene isomers with pour points lower than-25 degrees c.
11/27/2001	US6322621 Treating the crystalline wax to reduce the surface tension of crystalline wax, converting it to an amorphous form of wax, by treating with surface active agent; dispersing the amorphous wax in a diluent
11/27/2001	US6321841 Methods of sealing pipe strings in disposal wells
11/27/2001	CA2045185C Consolidating process of a geological formation using a polymerizable substance at the formation's temperature and pressure
11/22/2001	WO2001088334A2 Well service composition and method
11/22/2001	WO2001088333A1 Method of oil/gas well stimulation
11/22/2001	WO2001088059A1 Drilling fluids and method of drilling
11/22/2001	WO2001088058A2 Non-pyruvylated xanthan in oil field applications utilizing high density calcium-based brines
11/22/2001	WO2001087797A1 Permeable cements
11/22/2001	WO2001087796A1 Permeable cements
11/22/2001	WO2001087795A1 Set retarders for foamed cements
11/22/2001	CA2407640A1 Set retarders for foamed cements
11/22/2001	CA2405154A1 Method of oil/gas well stimulation
11/21/2001	EP1155219A1 Fracturing process and composition
11/20/2001	US6319971 Controlling gas hydrate formation, especially in pipes and oil and gas wells by using a polymer mixture that prevents hydrate nucleation; one polymer's weight boltzmann factor is higher than the other
11/20/2001	CA2032986C Composition and process for selective water permeability reduction in hot salted hydrocarbon tanks
11/15/2001	WO2001086115A2 A method for treating a hydrocarbon containing formation
11/15/2001	US20010041661 Refined oil gelling system
11/14/2001	EP1153898A1 Method of cementing subterranean zones
11/14/2001	EP1153102A1 Precipitation of inorganic salts in porous media
11/14/2001	EP1152996A1 Cementing compositions and application of such compositions for cementing oil wells or the like
11/14/2001	EP0975420B1 Synergistic mixtures of alkyl phenol formaldehyde resins with oxalkylated amines as asphalt dispersing agents
11/14/2001	EP0928362B1 Blocking composition for use in subterranean formation
11/14/2001	EP0912653B1 Fluid comprising cellulose nanofibrils and its use for oil mining
11/13/2001	US6316614 Generation of water-soluble polysaccharide; obtain a mutant of xanthamonas, culture the mutant, and recover polysaccharide
11/13/2001	US6315045 Methods and acidizing compositions for reducing metal surface corrosion and sulfide precipitation
11/13/2001	US6315042 Oil-based settable spotting fluid
11/08/2001	WO2001083946A1 Fracturing fluid
11/08/2001	WO2001083945A1 A method for treating a hydrocarbon containing formation
11/08/2001	WO2001083942A1 Self-diverting resin systems for sand consolidation
11/08/2001	WO2001083940A1 Electrical well heating system and method
11/08/2001	WO2001083640A1 Biodegradable lubricating composition and uses thereof, in particular in a bore fluid
11/08/2001	WO2001083639A2 Well treatment fluids comprising chelating agents
11/08/2001	WO2001083637A1 Stability enhanced water-in-oil emulsion and method for using same
11/08/2001	US20010039367 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants
11/08/2001	CA2408052A1 Fracturing fluid
11/08/2001	CA2407986A1 Self-diverting resin systems for sand consolidation
11/07/2001	EP1152121A2 Breaking fracturing fluid in subterranean formation
11/07/2001	EP1007601B1 Base oil for well fluids having low pour point temperature
11/07/2001	EP0832049B1 Method for stabilization of unconsolidated core samples
11/06/2001	US6313367 Inhibition of asphaltene deposition in crude oil production systems
11/06/2001	US6312515 First particulate material has an average particle size of 05-0.5 micrometers and is styrene-butadiene rubber latex, a silica ash, a manganese oxide pigment ash, carbon black, or a polymer microgel
11/06/2001	US6311773 Resin composition and methods of consolidating particulate solids in wells with or without closure pressure
11/01/2001	WO2001081722A1 A method for treating a hydrocarbon-containing formation
11/01/2001	WO2001081721A1 A method for treating a hydrocarbon containing formation
11/01/2001	WO2001081720A1 In situ recovery of hydrocarbons from a kerogen-containing formation
11/01/2001	WO2001081718A1 Solids-stabilized water-in-oil emulsion and method for using same
11/01/2001	WO2001081717A2 Method for treating a hydrocarbon-containing formation
11/01/2001	WO2001081716A2 A method for sequestering a fluid within a hydrocarbon containing formation
11/01/2001	WO2001081715A2 Method and system for treating a hydrocarbon containing formation
11/01/2001	WO2001081713A1 Electrical well heating system and method
11/01/2001	WO2001081502A2 Mineral acid enhanced thermal treatment for viscosity reduction of oils (ecb-0002)
11/01/2001	WO2001081499A2 Viscoelastic surfactants and compositions containing same
11/01/2001	WO2001081498A2 Drilling mud
11/01/2001	WO2001081476A1 Suspensions of water soluble polymers in surfactant free non-aqueous solvents
11/01/2001	WO2001081240A2 In-situ heating of coal formation to produce fluid
11/01/2001	WO2001081239A2 In situ recovery from a hydrocarbon containing formation
11/01/2001	US20010036905 Filter cake cleanup and gravel pack methods for oil based or water based drilling fluids
11/01/2001	CA2670076A1 Method and system for treating a hydrocarbon containing formation
11/01/2001	CA2407404A1 A method for treating a hydrocarbon-containing formation
11/01/2001	CA2407344A1 Viscoelastic surfactants and compositions containing same
11/01/2001	CA2407215A1 Method and system for treating a hydrocarbon containing formation
11/01/2001	CA2407026A1 In situ recovery from a hydrocarbon containing formation
11/01/2001	CA2406796A1 Drilling mud
11/01/2001	CA2406729A1 Electrical well heating system and method
10/2001
10/31/2001	EP1149226A1 Foamed nitrogen in liquid co 2? for fracturing
10/31/2001	EP1149139A1 Agent and method for sealing or consolidating rock, loose rock or soils, especially bore holes
10/31/2001	EP1149059A1 Well cementing methods and compositions
10/31/2001	EP1060147B1 Retarding systems and application to oil well cementing
10/30/2001	US6310008 Cross-linked well treating fluids
10/30/2001	US6309455 Stable suspension of hydrocolloids and superplasticizer
10/30/2001	US6308788 Conductive medium for openhole logging and logging while drilling
10/30/2001	US6308778 Compositions and methods of catalyzing the rate of iron reduction during acid treatment of wells
10/30/2001	US6308777 Cementing wells with crack and shatter resistant cement
10/25/2001	WO2001079648A2 Methods of drilling a bore hole and dehydrating drilling fluids
10/25/2001	WO2001079590A2 Corrosion inhibitor
10/25/2001	WO2001079375A2 Wellbore fluids and their application
10/25/2001	US20010034428 Organize in water to form micelles; gelling agents or thickeners for aqueous medium; viscoelastic gels
10/25/2001	US20010033938 Method of preventing or stopping sulfuric corrosion of metals
10/25/2001	US20010032723 Sealing subterranean zones
10/24/2001	EP1147288A1 Methods and compositions for reducing the permeabilities of subterranean zones
10/24/2001	CN1073684C Process for moving heavy crude oils with water having high content of salts
10/23/2001	US6306800 Methods of fracturing subterranean formations
10/23/2001	US6306799 Compositions for iron control in acid treatments for oil wells
10/23/2001	US6306207 Readily redispersable; texture, viscosity modifiers
10/23/2001	US6305472 Chemically assisted thermal flood process
10/23/2001	CA2075888C Method of inhibiting corrosion in acidizing wells
10/18/2001	WO2001077487A2 Viscosity reduction of viscoelastic surfactant based fluids
10/18/2001	WO2001077486A1 Scale removal
10/18/2001	WO2001077252A2 Wellbore fluids and their application
10/18/2001	US20010030044 Cementing in deep water offshore wells
10/18/2001	CA2405316A1 Wellbore fluids and their application
10/17/2001	EP1144542A1 Cement composition and process therewith
10/17/2001	EP1144541A1 Drilling fluid additive and process therewith
10/17/2001	EP1144540A1 Removal of h 2?s in drilling mud
10/17/2001	EP1144539A2 Electrically conductive non-aqueous wellbore fluids
10/17/2001	EP1144349A2 Isomerization process

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