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)
02/2005
02/10/2005US20050028981 Elastomeric admixtures for improving cement elasticity
02/10/2005US20050028979 Methods and compositions of a storable relatively lightweight proppant slurry for hydraulic fracturing and gravel packing applications
02/10/2005US20050028978 Gravel packing method
02/10/2005US20050028976 Compositions and methods for controlling the release of chemicals placed on particulates
02/10/2005CA2534037A1 Borehole treating substance containing ether carboxylic acids
02/10/2005CA2533455A1 Drilling method
02/09/2005EP1159234B1 Cementing compositions and application of such compositions to cementing oil wells or the like
02/09/2005EP0975708B1 Methods and materials for degrading xanthan
02/08/2005US6852676 Methods of using the foamed spacer fluids are provided. A method of the invention for displacing a first fluid from a well bore with an incompatible second fluid comprises the following steps. A foamed spacer fluid is placed between the
02/08/2005US6852675 Nutrient source for marine organisms from drilling fluids additives
02/03/2005WO2004099557A3 Methods and compositions for compensating for cement hydration volume reduction
02/03/2005US20050026803 Compositions and methods for using polymeric suds enhancers
02/03/2005US20050026789 Compositions and methods for treating subterranean formations
02/03/2005US20050022993 treating subterranean zones penetrated by well bores utilizing high density viscous salt water treating fluids having densities in the range of 9 lbs/gal to15 lbs/gal
02/03/2005US20050022992 Storable cementitious slurries containing boric acid and method of using the same
02/03/2005US20050022990 Compositions and methods for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids
02/03/2005US20050022988 System for increasing productivity of oil, gas and hydrogeological wells
02/02/2005CN1575326A Well drilling method and drilling fluid
02/01/2005US6849582 Method of oil/gas well stimulation
02/01/2005US6848519 Consolidating unconsolidated weak zones while drilling by forming a hard and tough crosslinked chemical casing in a well bore by crosslinking a water soluble or dispersible polymer (e.g., polysaccharide) with a thermosetting resin
01/2005
01/30/2005CA2474114A1 Storable cementitious slurries containing boric acid and method of using the same
01/27/2005WO2005008027A1 Self-diverting foamed system
01/27/2005WO2005007774A1 Reagent stabiliser for drilling fluids and a drilling fluid concentrate
01/27/2005US20050020454 Self-diverting foamed system
01/27/2005US20050019574 thermoplastic elastomer present on or in the substrate as an amount sufficient to improve the dust suppression of the particle; injected into fractures in subterranean formations surrounding wells, and other similar bore holes to provide support to hold
01/27/2005US20050016772 Method of drilling a borehole into an earth formation
01/27/2005US20050016733 Well treatment fluid compositions and methods for their use
01/27/2005US20050016726 High strength particles and methods of their use in subterranean operations
01/26/2005EP1499880A2 Method for characterizing water-in-oil emulsions using electrical wave forms
01/26/2005EP1499790A1 Thickened acid compositions and uses thereof
01/26/2005EP1499694A1 Viscous oleaginous fluids and methods of drilling and servicing wells therewith
01/26/2005EP1499457A1 Methods of simultaneously cleaning and disinfecting industrial water systems
01/26/2005EP1412613B1 Additives for inhibiting the formation of gas hydrates
01/26/2005EP1027528B1 Foaming composition
01/26/2005CN1571806A Starch graft copolymers and methods of making and using starch graft copolymers for agriculture
01/26/2005CN1186378C Composition containing water soluble polymers and method for improving dispersibility of water soluble polymers
01/25/2005US6846357 Methods of cementing high temperature wells and cement compositions therefor
01/20/2005WO2005005775A1 Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures
01/20/2005WO2005005774A1 Methods of treating subterranean zones and viscous aqueous fluids containing xanthan and a combination cross-linker - breaker
01/20/2005WO2005005773A2 A process for enhanced recovery of crude oil from oil wells using novel microbial consortium
01/20/2005US20050014893 Tris(hydroxymethyl) acrylamidomethane polmer, inverse latex and microlatex containing same, use of said polymer, inverse latex and microlatex
01/20/2005US20050014655 Aqueous solution of borate ions, alkali, alkali earth and annonium ions and sugar; antiswelling mixture for well bores
01/20/2005US20050014002 Lignin-solids compositions
01/20/2005US20050011412 Storable water-microsphere suspensions for use in well cements and methods
01/20/2005CA2531963A1 A process for enhanced recovery of crude oil from oil wells using novel microbial consortium
01/19/2005EP1498464A1 Lignin-solids compositions
01/19/2005EP1497529A1 Method to form a barrier in a reservoir with a magnetorheological fluid
01/19/2005EP1497527A1 Method of drilling with magnetorheological fluid
01/19/2005EP1497482A2 Corrosion inhibitor
01/19/2005EP1276552B1 Method of generating gas bubbles in oleaginous liquids
01/19/2005CN1568394A Method for the recovery of hydrocarbons from hydrates
01/18/2005US6844297 An organic quaternary ammonium surfactant, a water soluble or dispersible anionic organic salt, an acid and a low molecular weight organic solvent
01/18/2005US6844296 Fracturing fluids and methods of making and using same
01/18/2005US6843846 Methods and compositions for cementing subterranean zones
01/18/2005US6843841 For sealing
01/18/2005CA2805601A1 Method of acidizing a subterranean formation with diverting foam or fluid
01/18/2005CA2738482A1 Method of acidizing a subterranean formation with diverting foam or fluid
01/15/2005CA2473268A1 Lignin-solids compositions
01/13/2005WO2005003515A1 Methods of reducing water permeability for acidizing a subterranean formation
01/13/2005WO2005003514A1 Methods of diverting treating fluids in subterranean zones and degradable diverting materials
01/13/2005WO2005003513A1 Hydraulic fracturing method
01/13/2005WO2005003053A1 Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications
01/13/2005WO2004094761A3 Method for selectively positioning proppants in high contrast permeability formations to enhance hydrocarbon recovery
01/13/2005US20050009710 Sealing mixture of water, hydraulic cements, organophilic clay, gelation agent, and water soluble base; flow control agent for oil wells
01/13/2005US20050006096 Introducing a brine preflush of cationic surfactant into a well bore, then a hardenable furan liquid resin mixture, a solvent, an organosilane coupling agent and an acid catalyst, flushing with brine, then allowing hardenable resin composition to cure
01/13/2005US20050006095 Reduced-density proppants and methods of using reduced-density proppants to enhance their transport in well bores and fractures
01/13/2005US20050006094 Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination
01/13/2005US20050006093 Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures
01/13/2005US20050006091 Methods of treating subterranean zones and viscous aqueous fluids containing xanthan and a combination cross-linker - breaker
01/13/2005US20050006020 Method of hardening a fluid mass
01/13/2005CA2530336A1 Hydraulic fracturing method
01/13/2005CA2527860A1 Cement compositions with improved fluid loss characteristics and methods of cementing in surface and subterranean applications
01/12/2005EP1496096A2 Additive for oil-based drilling fluids
01/12/2005EP1235974B1 Method of treating a hydrocarbon-bearing formation
01/11/2005US6840319 Methods, compositions and biodegradable fluid loss control additives for cementing subterranean zones
01/11/2005US6840318 Injecting fluids comprising solid adjuvants as capsules consisting of encapsulated particles into wells for well bore cementing
01/11/2005US6840251 Forming chlorine dioxide in situ using alakli halites or halates; killing microorganisms
01/11/2005CA2355025C Treating shale and clay in hydrocarbon producing formations with combinations of guar and potassium formate
01/06/2005WO2005001243A2 Compositions and methods for consolidating unconsolidated subterranean formations
01/06/2005WO2005001242A2 Composition and method for diversion agents for acid stimulation of subterranean formations
01/06/2005WO2005001241A2 Method for stimulating an oilfield comprising using different scale-inhibitors
01/06/2005WO2005000993A1 Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well
01/06/2005WO2005000747A2 Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation
01/06/2005WO2004101463A3 Compositions and methods for treating lost circulation
01/06/2005WO2004094304A3 Additives for preparing rheology-modified aqueous fluids
01/06/2005US20050004329 Process for forming a ziegler-natta catalyst system having a controlled morphology
01/06/2005US20050003969 Well service fluid and method of making and using the same
01/06/2005US20050003968 Drilling fluids
01/06/2005US20050003967 Colloidal and colloidal-like systems in aqueous, clay-based fluids
01/06/2005US20050003965 Hydraulic fracturing method
01/06/2005US20050000903 Mixing using explosive; pollution control using microorganisms
01/06/2005US20050000734 Zeolite-containing drilling fluids
01/06/2005US20050000694 Methods of reducing water permeability for acidizing a subterranean formation
01/05/2005EP1493898A1 Well treatment with invertible oil water emulsions
01/05/2005EP1492938A2 Recovering materials
01/05/2005CN1183018C Transport of solid particulates
01/04/2005US6838418 For injection at high pressure into oil or gas wells, to fracture the geological formations surrounding the wells, and thereby increase the porosity which permits more efficient flow of hydrocarbons in the formation
01/04/2005US6838417 Water-soluble polymer, organic gelling agent capable of cross-linking polymer, water-soluble formate; preferably, polymer is copolymer of nonacidic ethylenically unsaturated polar monomer and ethylenically unsaturated ester
01/04/2005US6838082 Vermiculture compositions
01/04/2005US6837316 Methods of consolidating formations