Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › 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)
06/2003
06/12/2003WO2003048515A1 Resilient cement
06/12/2003WO2003048514A1 Methods and compositions for sealing an expandable tubular in a wellbore
06/12/2003WO2003048513A1 Method for terminating or reducing water flow in a subterranean formation
06/12/2003WO2003048267A1 Non-damaging fluid-loss control pill and method of using the same
06/12/2003WO2003048266A1 Acid soluble, high fluid loss pill for lost circulation
06/12/2003US20030109385 Enhancing oil recovery, preventing polymer gelation in the oil bearing regions and shut-off oil production; using high molecular weight polymer with carboxylate groups curable in the presence of metal ion crosslinking agent
06/12/2003US20030106718 Shale hydration inhibition agent and method of use
06/12/2003US20030106690 Methods for controlling screenouts
06/12/2003US20030106689 Method of frac packing through existing gravel packed screens
06/12/2003US20030106687 Biocide impregnation of coatings for ESP components
06/12/2003CA2468940A1 Resilient cement
06/11/2003EP1318271A1 Well acidizing compositions
06/11/2003EP1318270A1 Well completion
06/11/2003CA2413710A1 Methods and compositions for forming permeable cement sand screens in wells
06/10/2003US6576597 Mixture containing crosslinked amylopectin starch
06/06/2003CA2413559A1 Method of frac packing through existing gravel packed screens
06/05/2003WO2003046332A1 Oil-soluble scale inhibitors with formulation for environmently friendly composition
06/05/2003US20030104950 Acidic aolvents for dissolving and removing scale and formation matrix material in oil-fields after fracturing
06/05/2003US20030104949 Composition for use in sealing a porous subterranean formation, and methods of making and using
06/05/2003US20030104948 Copolymers useful for gelling acids
06/05/2003US20030102128 Controlling hydraulic fracturing of subterranean fformations; popping agent
06/05/2003US20030101914 Sealing pipes in well bore; mixture of hydraulic cements, water and sodium bentonite adjuvant
06/05/2003US20030101913 Sealing pipes in well bores; using sodium bentonite
06/05/2003US20030101912 Methods, well cement compositions and lightweight additives therefor
06/05/2003US20030101911 Methods, well cement compositions and lightweight additives therefor
06/04/2003EP1316540A2 Well cement compositions
06/04/2003EP1316539A2 Well cement compositions
06/04/2003EP1144541A4 Drilling fluid additive and process therewith
06/04/2003EP1019459A4 Oil based drilling fluids suitable for drilling in the presence of acidic gases
06/04/2003CN1422319A Method of generating gas bubbles in oleaginous liquids
06/03/2003US6573221 Non-pyruvylated xanthan in oil field applications utilizing high density calcium-based brines
06/03/2003US6572789 Phosphinosuccinic acids and oligomers
06/03/2003US6571875 Circulation tool for use in gravel packing of wellbores
05/2003
05/30/2003WO2003044317A1 Method of drilling a borehole into an earth formation
05/30/2003WO2002095187A3 Methods of well treatment
05/29/2003US20030098180 Oleaginous drilling fluid that produces a useful soil amendment, method of use and bio-remediation of the same and resulting solids
05/28/2003EP1313930A2 Method for conditioning standing and running water systems
05/28/2003CN1420254A Method for recovering uneven oli reservoir
05/27/2003US6569983 Using Jeffamines"; fracturing subterranean formation
05/27/2003US6569815 Recovering subterranean oil
05/27/2003US6569814 Fluid for breaking filter cake comprising a chelating agent and amylase in a viscoelastic surfactant (VES) matrix
05/27/2003CA2168388C Process for dissolving sulfur
05/22/2003WO2003042497A1 Composite silica oxide proppant material
05/22/2003WO2003042428A1 Method for protecting metal surfaces against corrosion in liquid or gaseous media ii
05/22/2003WO2003042324A1 Emulsifier for oil-based drilling fluids
05/22/2003WO2003042125A2 Method of hardening a fluid mass
05/22/2003WO2002102928A3 Method for solubilising asphaltenes in a hydrocarbon mixture
05/22/2003WO2002074405A3 Demulsifier for aqueous completion fluids
05/22/2003WO2001083940A9 Electrical well heating system and method
05/22/2003US20030096945 For use as fluid loss control
05/22/2003US20030096891 For producing high-strength wallboard using high-speed manufacturing apparatus
05/22/2003US20030094122 Well cement additives, compositions and methods
05/21/2003EP1312753A1 Reducing water permeability in subterranean formation
05/21/2003EP1171685A4 Method and apparatus for reducing fouling of injection and recovery wells
05/21/2003EP1093541B1 Method for preventing deposits in oil extraction
05/20/2003US6566309 Additives for inhibiting gas hydrate formation
05/20/2003US6564869 Method and composition for cleaning and inhibiting solid, bitumin tar, and viscous fluid accretion in and on well equipment
05/20/2003CA2257697C Foam-fluid for fracturing subterranean formations
05/15/2003WO2003040521A1 Copolymers useful for gelling acids
05/15/2003WO2003040520A2 Method for treating a bottom-hole formation zone
05/15/2003WO2002083073A3 Cosmetic compositions containing water-soluble polymer complexes
05/15/2003US20030092584 Deep water completions fracturing fluid compositions
05/15/2003US20030092582 A crosslinkable sealing composition comprising latex, melamine-formaldehyde resin and a catalyst to seal a subterranean zone of a well bore and restore pressurization; recovering hydrocarbon oils
05/15/2003US20030092581 Comprising a hydratable polysaccharide, a water wetting control agent, clay control agent, a microbiocide, an antiscale agent and a breaking agent; leaving the fracturing fluid in the subterranean formation for at least 28 days
05/15/2003US20030092580 Invert emulsion drilling fluid and process
05/15/2003US20030092579 Drilling mud
05/15/2003US20030092578 Subterranean formation water permeability reducing methods
05/15/2003CA2411771A1 Subterranean formation water permeability reducing methods
05/14/2003EP1309522A1 Set retarders for foamed cements
05/14/2003CN1418283A Filter cake cleanup and gravel pack methods for oil based or water based drilling fluids
05/13/2003US6562764 Invert well service fluid and method
05/13/2003US6562762 Method of and composition for reducing the loss of fluid during well drilling, completion or workover operations
05/13/2003US6562122 For cementing a subterranean zone penetrated by a well bore
05/13/2003US6561273 Oil based compositions and method for temporarily sealing subterranean zones
05/13/2003US6561269 Canister, sealing method and composition for sealing a borehole
05/13/2003CA2411559A1 Deep water completions fracturing fluid compositions
05/13/2003CA2127346C Set retarded cement compositions, additives and methods
05/13/2003CA2063877C Aqueous gellable composition with delayed gelling time
05/13/2003CA2063876C Aqueous gellable composition, useful for modifying the permeability of a petroleum reservoir
05/12/2003CA2411643A1 Fracturing fluids for delayed flow back operations
05/08/2003WO2003038008A1 Additive for oil-based drilling fluids
05/08/2003WO2003020845B1 LOST CIRCULATION MATERIALS (LCM's) EFFECTIVE TO MAINTAIN EMULSION STABILITY OF DRILLING FLUIDS
05/08/2003WO2002027137A9 Well sealing method and apparatus
05/08/2003US20030085034 In situ thermal processing of a coal formation to produce pyrolsis products
05/07/2003EP1232328B1 A method for recovering water soluble surfactants
05/06/2003US6559104 Method for inhibiting corrosion using certain aromatic acidic species
05/06/2003US6558619 High performance phosphorus-containing corrosion inhibitors for inhibiting corrosion drilling system fluids
05/06/2003US6558461 Blend of: (a) about 50% to about 80% by weight of a sulfonated lignin; and (b) about 20% to about 50% by weight of an alkali lignin having an organic sulfur content of from about 0% to about 3.5% by weight.
05/02/2003EP1305263A1 Method for production of an expanding cement and corresponding test device
05/01/2003WO2003036021A2 Treating composition
05/01/2003WO2003035794A1 Well drilling method and drilling fluid
05/01/2003WO2003035793A1 Drilling fluids
05/01/2003US20030083448 Water-soluble or dispersible fluorochemical polymer containing only carbon atoms in the backbone, with fluoroaliphatic groups, carboxyl-containing groups, silyl groups and other non-hydrophilic groups
05/01/2003US20030083403 Fracturing fluids and methods of making and using same
05/01/2003US20030083206 Oil and gas production optimization using dynamic surface tension reducers
05/01/2003US20030083205 Borate crosslinked fracturing fluid viscosity reduction breaker mechanism and products
05/01/2003US20030083204 Using a well treating fluid comprised of water and a water soluble polymer complex fluid loss control additive, such as a copolymer of acrylamido-2-methylpropane sulfonic acid formed in the presence of an ethoxylated hydroxyethyl cellulose
05/01/2003US20030079879 Maintenance of oil production and refining equipment
05/01/2003CA2463466A1 Well drilling method and drilling fluid
04/2003
04/29/2003US6555507 Sealing subterranean zones
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