| 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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| 02/14/2002 | DE10037118A1 Verfahren zur Herstellung eines Quellzements und zugehörige Testvorrichtung A method for producing a cement source and associated test device |
| 02/14/2002 | CA2417811A1 Drilling fluid comprising a high-amylose starch |
| 02/14/2002 | CA2354894A1 Drilling fluid, apparatus, and method |
| 02/10/2002 | CA2315468A1 Multi grouting system |
| 02/08/2002 | CA2315544A1 Fracturing method using aqueous or acid based fluids |
| 02/07/2002 | WO2002010086A1 Method for production of an expanding cement and corresponding test device |
| 02/07/2002 | WO2001059028A3 Shale hydration inhibition agent and method of use |
| 02/06/2002 | EP1178099A2 Well drilling and servicing fluids |
| 02/06/2002 | CN1334895A Oil recovery method for waxy crude oil using alkylaryl sulfonate surfactants derived from alpha-olefins |
| 02/06/2002 | CN1334854A Fluid and techniques for hydrocarbon well completion |
| 02/05/2002 | US6344431 Use of selected inhibitors against the formation of solid organo-based incrustations from fluid hydrocarbon mixtures |
| 01/31/2002 | WO2002008562A2 Combined liner and matrix system, use of the system and method for control and monitoring of processes in a well |
| 01/31/2002 | WO2000065196A9 Deliberate fluid removal by capillary imbibition |
| 01/30/2002 | EP1176183A2 Oil-based settable spotting fluid |
| 01/30/2002 | EP1175378A1 Foamed well cement slurries, additives and methods |
| 01/29/2002 | US6342553 Ester Polymer Dispersion |
| 01/29/2002 | US6342468 Phosphate esters and phosphorous pentoxide for fracturing hydrocarbons and amine enhancers |
| 01/29/2002 | US6342467 Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations |
| 01/24/2002 | WO2002006422A2 Compositions for controlling scaling and completion fluids |
| 01/24/2002 | WO2001074478A3 Method of generating gas bubbles in oleaginous liquids |
| 01/24/2002 | US20020010101 Mixture of fracturing fluid and gas hydrate inhibitor |
| 01/24/2002 | US20020010100 Drilling fluids |
| 01/24/2002 | US20020008225 Stabilization using mixture of potassium formate and flow control agent |
| 01/17/2002 | WO2002004784A2 Sand consolidation with flexible gel systems |
| 01/17/2002 | US20020005287 Hydraulic cements; compressive strength |
| 01/16/2002 | EP1171688A1 Grouting compositions |
| 01/16/2002 | EP1171685A1 Method and apparatus for reducing fouling of injection and recovery wells |
| 01/16/2002 | EP1171650A1 Method or pre-treatment for inhibiting sulphide corrosion |
| 01/16/2002 | EP1171543A1 Fluids and techniques for hydrocarbon well completion |
| 01/15/2002 | US6339048 Oil and oil invert emulsion drilling fluids with improved anti-settling properties |
| 01/15/2002 | CA2036660C Cement accelerator |
| 01/10/2002 | WO2002002713A1 Method and fluid for controlling saturation of a formation around a well |
| 01/10/2002 | US20020004464 Viscosity reduction of viscoelastic surfactant based fluids |
| 01/10/2002 | US20020002933 Replacing conventional industrial solvents with dimethyl carbonate or methyl pivalate which have a low reactivity with respect to ozone formation |
| 01/09/2002 | EP1170268A1 Delayed thixotropic well cement compositions and methods |
| 01/09/2002 | EP1169406A1 Method of releasing stuck pipe or tools and spotting fluids therefor |
| 01/09/2002 | EP1169405A2 Quaternary nitrogen containing amphoteric water soluble polymers and their use in drilling fluids |
| 01/08/2002 | US6336505 Cementing casing strings in deep water offshore wells |
| 01/07/2002 | CA2352685A1 Delayed thixotropic cement compositions and methods |
| 01/03/2002 | WO2001064813A3 Conductive medium for openhole logging and logging while drilling |
| 01/03/2002 | WO2001032590A3 Isomerization process |
| 01/03/2002 | US20020002205 Viscoelastic fluid comprising: an aqueous medium; a zwitterionic surfactant; and a member selected from the organic acid salts, inorganic acid salts |
| 01/03/2002 | US20020002116 By using a water soluble maleic anhydride (co)polymer amidated or modified with an amine or alkanolamine, or polymers made from 2-(aminocarbonyl)acrylic acid or salts thereof |
| 01/03/2002 | EP1144349A3 Isomerization process |
| 01/02/2002 | EP1167685A2 Method of removing drill cuttings from a deviated borehole |
| 01/02/2002 | EP1166866A2 Encapsulated chemicals for use in controlled time release applications |
| 01/02/2002 | EP1165936A1 Novel fluids and techniques for maximizing fracture fluid clean-up |
| 01/02/2002 | CN1329637A Dispersible water soluble polymers |
| 12/27/2001 | WO2001098627A1 Compositions and processes for treating subterranean formations |
| 12/27/2001 | WO2001098432A2 Surfactant blends for aqueous solutions useful for enhanced oil recovery |
| 12/27/2001 | WO2001098228A1 Cement comprising anisotropic polymer particles, cement paste, consolidated material, preparation and uses |
| 12/27/2001 | US20010056164 Inhibitors and their uses in oils |
| 12/27/2001 | CA2413394A1 Cement comprising anisotropic polymer particles, cement paste, consolidated material, preparation and uses |
| 12/25/2001 | US6332921 Cement compositions and methods for high temperature wells containing carbon dioxide |
| 12/25/2001 | US6332920 Slag for cementing a well, in particular an oil well |
| 12/20/2001 | WO2001096707A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 12/20/2001 | WO2001096007A1 Use of weakly anionic copolymers as dispersing and/or grinding aid agent of an aqueous suspension of mineral materials |
| 12/20/2001 | WO2001083940A8 Electrical well heating system and method |
| 12/20/2001 | WO2001041911A3 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants |
| 12/20/2001 | WO2001038695A3 A method for recovering water soluble surfactants |
| 12/20/2001 | US20010053749 Method of and composition for reducing the loss of fluid during well drilling, completion or workover operations |
| 12/19/2001 | EP1163310A1 Novel fluids and techniques for matrix acidizing |
| 12/19/2001 | EP0951519B1 Process for the facilitated waste disposal of working substances based on water-in-oil invert emulsions |
| 12/19/2001 | CN1076395C Method of inhibiting corrosion in aqueous systems using poly amino acid |
| 12/18/2001 | US6331513 Antiscaling mixture of aminotristmethylidene diphosphonic acid, chelate compound, organophosphorus compound, hydroxyacetic acid, sodium bicarbonate and ammonium hydroxide |
| 12/18/2001 | US6331508 Mixing in polyoxyalkalenediamine as crystal growth inhibitor |
| 12/18/2001 | US6330917 Resilient well cement compositions and methods |
| 12/18/2001 | US6330916 Formation treatment method using deformable particles |
| 12/18/2001 | US6330914 Method and apparatus for tracking hydraulic fractures in unconsolidated and weakly cemented soils and sediments |
| 12/18/2001 | CA2161916C Compositions comprising an acrylamide-containing polymer and process therewith |
| 12/13/2001 | WO2001094744A1 Microcapsule well treatment |
| 12/13/2001 | WO2001094742A1 Subterranean wellbore and formation emulsion sealing compositions |
| 12/13/2001 | WO2001094495A1 Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system |
| 12/13/2001 | WO2001093842A2 Composition for controlling wellbore fluid and gas invasion and method for using same |
| 12/13/2001 | US20010051593 Using amine surfactant |
| 12/13/2001 | US20010049902 Pretreatment oil before emulsification; adding lignin |
| 12/12/2001 | EP1161511A1 Aphron-containing oil base fluids and method of drilling a well therewith |
| 12/12/2001 | EP1161510A1 Aphron-containing aqueous well drilling and servicing fluids |
| 12/12/2001 | EP0948577B1 Use of enhanced multicomponent mixtures for soil decomposition |
| 12/12/2001 | EP0784651B1 Alginate gels |
| 12/12/2001 | CN1326428A Cementing compositions and the use of such compositions for cementing oil wells or the like |
| 12/11/2001 | US6328106 Sealing subterranean zones |
| 12/11/2001 | US6328105 Proppant containing bondable particles and removable particles |
| 12/06/2001 | WO2001049406B1 Rheology modified compositions and modification agents |
| 12/06/2001 | US20010049403 Water soluble crosslinkable polymer, a crosslinking agent (especially a chromic carboxylate complex), and a reinforcing material selected from among fibers and comminuted plant materials. |
| 12/06/2001 | US20010049341 Pumpable multiple phase compositions for controlled release applications downhole |
| 12/06/2001 | US20010047868 Well completion clean-up fluids and method for cleaning-up drilling and completion filtercakes |
| 12/06/2001 | US20010047867 Circulation tool for use in gravel packing of wellbores |
| 12/05/2001 | EP1159234A1 Cementing compositions and application of such compositions to cementing oil wells or the like |
| 12/05/2001 | EP0973698B1 Cementitious compositions and methods for use in subterranean wells |
| 12/05/2001 | EP0777837B1 A method for inhibiting hydrate formation |
| 12/05/2001 | CN1325265A Particulate carrier for biocide formulations |
| 12/04/2001 | US6326335 Mixture of gelatin, weighting agent and chelate compound |
| 12/04/2001 | US6325941 Method of controlling the fatty acid content of cooking fats or cooking oils |
| 12/04/2001 | US6325149 Reducing liquid spillage during hydrocarbon processing; pump liquid to preferential position in borehole, process liquid, recover hydrocarbon distillates |
| 12/04/2001 | CA2196552C Method for removing alkaline sulfate scale |
| 11/29/2001 | US20010045279 Converting hydrocarbons to methane |
| 11/28/2001 | EP1157977A1 Method of improving the flow properties of particulate materials |
| 11/28/2001 | EP1157050A1 Zwitterion derivatives and application to aqueous suspension properties |
| 11/28/2001 | EP1156975A1 Transport of solid particulates |