| 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) |
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| 10/15/2002 | CA2283772C Host microprocessor with apparatus for temporarily holding target processor state |
| 10/10/2002 | WO2002079608A1 Method of well treatment |
| 10/10/2002 | WO2002079359A1 Starch-containing lubricant systems for oil field applications |
| 10/10/2002 | WO2002079341A1 Multi-component kits and combinations, use thereof and plastic cements obtained therefrom |
| 10/10/2002 | WO2002079105A1 Corrosion inhibitors for aqueous systems |
| 10/10/2002 | US20020147114 Acid thickeners and uses thereof |
| 10/10/2002 | US20020147113 Ground raw base material that is compressed into a higher density pellet that is used an additive for lost circulation, seepage control, fluid loss and control of lubricity, viscosity and rheology in drilling |
| 10/10/2002 | CA2480405A1 Starch-containing lubricant systems for oil field applications |
| 10/09/2002 | CN1092280C Method for stabilizing gas flow in water-bearing natural gas deposits or reservoirs |
| 10/09/2002 | CN1092209C Resin coated product contg. bisphenol and its use method |
| 10/08/2002 | US6462096 Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties containing said additives |
| 10/08/2002 | US6461999 Employing semisolid highly viscous and/or high molecular weight material, such as polybutene; emulsifier free; nontoxic; inhibiting fluid loss in geological formations by enhancing filtration control |
| 10/08/2002 | US6460632 Circulating an aqueous drilling fluid containing a single foaming and defoaming surfactant and a gas downwardly through a rotary drill pipe and drill bit connected thereto. |
| 10/03/2002 | WO2002077118A1 Chitosan-containing well drill and servicing fluids |
| 10/03/2002 | WO2001027440A9 Well treatment fluids comprising mixed aldehydes |
| 10/03/2002 | US20020142919 Reactive material mixed with a chemical binder so that the reactive material is released from the binder when the binder and reactive material are inserted into a wellbore. |
| 10/03/2002 | US20020139532 Well drilling and servicing fluids and methods of removing filter cake deposited thereby |
| 10/03/2002 | US20020139531 Method of generating heat and vibration in a subterranean hydrocarbon-bearing formation |
| 10/03/2002 | US20020139530 Treating shale and clay in hydrocarbon producing formations with combinations of guar and potassium formate |
| 10/02/2002 | EP1244758A1 Emulsified gelant |
| 10/02/2002 | DE10115591A1 Mehrkomponentenkits und Kombinationen, ihre Verwendung und erhältliche Kunstmörtel Multi-component kit and combinations, their use and available synthetic mortar |
| 10/02/2002 | CN1091791C 钻井液 Drilling |
| 10/01/2002 | US6457524 Hydraulic cement, an iron salt to reduce the transition time of the composition, sufficient water to form a pumpable slurry, an effective amount of a foaming additive for producing a foamed slurry, and gas to foam the slurry. |
| 10/01/2002 | US6457523 Delayed thixotropic cement compositions and methods |
| 09/26/2002 | WO2002074405A2 Demulsifier for aqueous completion fluids |
| 09/26/2002 | WO2002024831A3 Viscoelastic surfactant fluids at high brine concentrations |
| 09/26/2002 | WO1998006929A3 Compositions and methods for modifying the permeability of subterranean formations |
| 09/26/2002 | US20020137635 Guar-free fluid for use in oil production, comprising a deacetylated xanthan gum in the form of a polypentamer, combined with at least one compound which increases the ionic strength of the medium |
| 09/26/2002 | US20020134283 For cementing in subterranean zones penetrated by well bores; comprised of hydraulic cement, water to form slurry, and water soluble delayed thixotropy imparting additive (carbonic acid and alkali metal carbonates) |
| 09/25/2002 | EP1243750A2 Carboxyalkyl substituted polygalactomannan fracturing fluids |
| 09/25/2002 | EP1243749A1 Treating shale and clay in hydrocarbon producing formations |
| 09/25/2002 | EP1243637A2 Additives for inhibiting gas hydrate formation |
| 09/25/2002 | EP1242556A1 Acid based micro-emulsions |
| 09/25/2002 | EP1073699B1 Drilling fluids based on polysaccharides and lost circulation material solids |
| 09/25/2002 | EP1002271A4 A memory controller for detecting a failure of speculation of a component being addressed |
| 09/24/2002 | US6455483 Well stimulation and formation purging composition |
| 09/24/2002 | US6455474 Emulsified with a paraffinic solvent composition which forms a continuous oil phase, or water-in-oil invert phase; solvent is a mixture of c10-c24 n-paraffins and isoparaffins |
| 09/24/2002 | US6454008 Foamed fracturing fluids, additives and methods of fracturing subterranean zones |
| 09/24/2002 | US6454005 Clay is stabilized in the drilling of wells; to inhibit clay and shale swelling and sloughing |
| 09/24/2002 | US6454004 Cementing casing strings in deep water offshore wells |
| 09/24/2002 | US6454003 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 09/19/2002 | WO2002073002A1 Improved electron transfer agents in well acidizing compositions and methods |
| 09/19/2002 | WO2002055627A3 Spotting fluid for differential sticking |
| 09/19/2002 | US20020132862 In situ heating; process control |
| 09/19/2002 | US20020132741 Amido betaine gelling agent, alkylbenzenesulfonic acid cosurfactant |
| 09/19/2002 | US20020132740 Anionic surfactant, a nonionic surfactant, a co- solvent, a solvent and an oxidizer; cleaning oil sludges and drilling mud residues from well cuttings, well formations and down hole and surface oil well drilling and production equipment. |
| 09/19/2002 | US20020131923 Reduction in mineral salt deposition |
| 09/19/2002 | US20020129939 Composition and method for sealing an annular space between a well bore and a casing |
| 09/19/2002 | CA2439406A1 Improved electron transfer agents in well acidizing compositions and methods |
| 09/18/2002 | EP1240407A1 Process for treating an oil well |
| 09/18/2002 | EP1240123A1 Process for preventing polymeric fouling in the treatment of hydrocarbon streams containing olefins |
| 09/18/2002 | EP1240122A1 Metathesis process for converting short chain olefins to longer chain olefins |
| 09/18/2002 | EP0746543B1 Polysuccinimide and polyaspartic acid manufacture |
| 09/17/2002 | US6451953 Chain entanglement crosslinked polymers |
| 09/17/2002 | US6451743 Stable liquid suspension compositions and method of making and use thereof |
| 09/17/2002 | US6450260 Subterranean formations; well completion |
| 09/17/2002 | CA2046992C Water-thickening copolymers and the use thereof |
| 09/12/2002 | WO2002070862A1 Compositions and methods to control fluid loss in surfactant-based wellbore service fluids |
| 09/12/2002 | WO2002070861A1 Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block |
| 09/12/2002 | WO2002055832A3 Conductive medium for openhole logging and logging while drilling |
| 09/12/2002 | US20020128158 Used to control lost circulation, fluid loss and/or seepage loss of drilling fluid during drilling operations |
| 09/12/2002 | US20020128157 Scale inhibitor |
| 09/12/2002 | US20020125199 Conditioning agents based on polysuccinimide (PSI) or its partial hydrolysates in combination with fatty acids or their derivatives for preventing deposits which form in standing or flowing water system due to hardness forming ions |
| 09/12/2002 | US20020125013 Spotting fluid for differential sticking |
| 09/12/2002 | US20020125012 Well treatment fluid compositions and methods for their use |
| 09/12/2002 | US20020125010 Water-in-oil microemulsions useful for oil field or gas field applications and methods for using the same |
| 09/11/2002 | EP1238952A1 Well cement composition for deep water offshore wells |
| 09/11/2002 | CN1369033A Tunnel boring method |
| 09/10/2002 | US6448411 Quaternized imino and amido imidazolines; metal storage and transport systems |
| 09/10/2002 | US6448206 Sealing subterranean zones |
| 09/10/2002 | US6447717 Composition and method for inhibition of metal corrosion |
| 09/06/2002 | WO2002068559A1 Method for reducing borehole erosion in shale formations |
| 09/06/2002 | CA2833423A1 Enzymes having alpha amylase activity and methods of use thereof |
| 09/05/2002 | US20020123432 For use in drilling wells, such as oil wells and water wells |
| 09/05/2002 | US20020123431 Providing drilling fluid, drilling fluid additive comprising superparamagnetic nanoparticles; adding additive to fluid; exposing treated drilling fluid to magnetic field so as to recover superparamagnetic nanoparticles |
| 09/05/2002 | DE10122613C1 Use of partly acetalised polyvinyl alcohol polymers as gas hydrate inhibitors, i.e. to prevent the formation and agglomeration of gas hydrates where gas is in contact with an aqueous phase, e.g. in the oil or natural gas industry |
| 09/05/2002 | DE10110058A1 Acidizing subterranean formations useful for stimulating oil or gas production from subterranean reservoirs includes using acid solution containing quaternary ammonium salt as corrosion inhibitor |
| 09/04/2002 | EP1236863A1 Gelled hydrocarbon fluids for treating subterranean formations |
| 09/04/2002 | EP1235974A1 Method of treating a hydrocarbon-bearing formation |
| 09/04/2002 | EP1235893A2 Ether-capped poly(oxyalkylated) alcohol surfactants |
| 09/04/2002 | EP1235892A1 Compositions including ether-capped poly(oxyalkylated) alcohol surfactants |
| 09/04/2002 | EP1235888A1 Oil production additive formulations |
| 09/04/2002 | EP1235779A2 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants |
| 09/04/2002 | EP1235639A1 Compositions including ether-capped poly(oxyalkylated) alcohol wetting agents |
| 09/04/2002 | EP0946669B1 Multiphase lubricant concentrates for use in water based systems in the field of exploratory soil drilling |
| 09/04/2002 | EP0868469B1 A method of lowering the wax appearance temperature of crude oil containg wax |
| 09/04/2002 | CN1367768A Low-density and Low-porosity cementing slurry for oil wells or the like |
| 09/03/2002 | US6444852 Amines useful in inhibiting gas hydrate formation |
| 09/03/2002 | US6444316 Crosslinked hydrophilic polymer |
| 09/03/2002 | US6443245 Non-cryogenic nitrogen for on-site downhole drilling and post drilling operations |
| 09/03/2002 | US6443230 Organic hydrofluoric acid spearhead system |
| 09/03/2002 | US6443227 Azimuth control of hydraulic vertical fractures in unconsolidated and weakly cemented soils and sediments |
| 09/03/2002 | CA2074022C Sand control with resin and explosive |
| 08/29/2002 | WO2002066790A1 Powder composition |
| 08/29/2002 | WO2002066785A1 Composition and method for inhibition of formation of gas hydrates |
| 08/29/2002 | US20020117457 Compositions for controlling scaling and completion fluids |
| 08/29/2002 | US20020117303 Production of synthesis gas from a hydrocarbon containing formation |
| 08/28/2002 | EP1234948A1 Treating subterranean formations with gelled hydrocarbon fluids |
| 08/28/2002 | EP0902859B1 Coated products and use thereof in oil fields |
| 08/28/2002 | EP0721534B1 Control of iron deposition in borehole pumps |