| 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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| 03/18/2004 | WO2004022500A2 Well cementing slurries containing fibers |
| 03/18/2004 | WO2004011772A8 Method of controlling scale formation |
| 03/18/2004 | WO2004000885A3 Molecular weight reduction of polysaccharides by electron beams |
| 03/18/2004 | US20040053789 Anionic and cationic surfactants having branched aliphatic chains used as reversible well bore fluid thickeners to recover hydrocarbon oil and gas; soluble in both organic and aqueous fluids; high speed breakdown of viscoelastic sols |
| 03/18/2004 | US20040050752 Use of cardanol aldehyde resins as asphalt dispersants in crude oil |
| 03/18/2004 | US20040050550 Re-use recovered treating fluid |
| 03/18/2004 | CA2713734A1 Method of treating subterranean formations with porous ceramic particulate materials |
| 03/18/2004 | CA2497366A1 Method and compositions for inhibiting formation of hydrocarbon hydrates |
| 03/17/2004 | EP1398460A1 Subterranean formation treatment with solids |
| 03/17/2004 | EP1398459A2 Re-use of recovered treating fluid |
| 03/17/2004 | EP1398458A1 Reducing particulate flow-back in wells |
| 03/17/2004 | EP1397577A2 Low density well cement compositions |
| 03/17/2004 | EP1397463A1 Thermal extenders for well fluid applications involving synthetic polymers |
| 03/17/2004 | EP0850209B1 Method for inhibiting hydrate formation |
| 03/16/2004 | US6706769 Aminocarboxylic acid breaker compositions for fracturing fluids |
| 03/16/2004 | US6706668 Electron transfer agents in well acidizing compositions and methods |
| 03/16/2004 | US6706667 Shale-stabilizing additives |
| 03/16/2004 | US6705400 Methods and compositions for forming subterranean fractures containing resilient proppant packs |
| 03/16/2004 | CA2440493A1 Re-use of recovered treating fluid |
| 03/16/2004 | CA2323029C Process for enhancing hydrocarbon mobility using a steam additive |
| 03/11/2004 | WO2004020788A1 Reservoir treatment fluids |
| 03/11/2004 | WO2004020786A2 Fluid and method for the removal of filter cake fluid from a borehole |
| 03/11/2004 | WO2004020783A1 Delayed-gelation solution |
| 03/11/2004 | WO2004020546A1 Drilling fluid, apparatus, and method |
| 03/11/2004 | WO2003093811A3 Method for characterizing water-in-oil emulsions using electrical wave forms |
| 03/11/2004 | US20040048752 Providing proppant particles coated with a hardenable resin; providing a gelled liquid fracturing fluid; pumping gelled liquid fracturing fluid into subterranean zone; mixing proppant particles with fluid; heating to harden |
| 03/11/2004 | US20040048751 Process for controlling gas migration during well cementing |
| 03/11/2004 | US20040048750 Blending together an aqueous fluid and a hydratable polymer thereby forming a base fluid; wherein the hydratable polymer is a high yielding polymer suitable for forming a crosslinked gel |
| 03/11/2004 | US20040045713 Slurry for hydrocarbon production and water injection well cementing, and procedures to cement wells using such slurry |
| 03/11/2004 | US20040045712 Compositions for and methods of stabilizing subterranean formations containing clays |
| 03/11/2004 | US20040045711 Compressed bentonite-containing nodules are disclosed as are methods for their production and methods for using them to plug wells. |
| 03/11/2004 | US20040045710 Hydrocarbon-containing formation is disclosed. The method includes injecting a well treating fluid into a well, wherein the well treating fluid includes a self- diverting acid that includes about 1% to 30% by weight of at least one acid such |
| 03/11/2004 | CA2463714A1 Drilling fluid, apparatus, and method |
| 03/10/2004 | EP1396606A2 Fracturing subterranean zones |
| 03/10/2004 | CN1141352C Clay-free biodegradable wellbore fluid and method for using said fluid |
| 03/09/2004 | US6703352 For use in fracturing a subterranean formation; as a drift control agent for agricultural formulations; detergents |
| 03/09/2004 | US6703351 Water-based drilling fluids using latex additives |
| 03/09/2004 | US6702044 Methods of consolidating formations or forming chemical casing or both while drilling |
| 03/09/2004 | US6702023 Method for treatment of underground reservoirs |
| 03/09/2004 | US6702022 Consuming deposits using heat generated from reaction of alkali or alkaline earth metal and water; forming gel barrier with further reaction of active material with aluminum or scandium |
| 03/09/2004 | US6702021 Methods and drilling fluids for drilling well bores and sealing pipe strings therein |
| 03/09/2004 | US6702016 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer |
| 03/04/2004 | WO2004018841A1 Fluid loss control agent |
| 03/04/2004 | WO2004018834A1 Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 03/04/2004 | WO2004018586A1 Suspending agent |
| 03/04/2004 | US20040043906 Microcapsule well treatment |
| 03/04/2004 | US20040043905 Drilling fluid and method for enhanced suspension |
| 03/04/2004 | US20040040714 Using mixtyre of glass and water soluble unsaturated acid polymer; solidification |
| 03/04/2004 | US20040040713 Methods and compositons for forming subterranean fractures containing resilient proppant packs |
| 03/04/2004 | US20040040712 Mixture of hydraulic cement, water and thermoplastic block polymer; applying, sealing well bore |
| 03/04/2004 | US20040040711 Fluid flow slurry; heating, controlling temperature; setting; using aqueous solution containing magnesium oxychloride; controlling viscosity |
| 03/04/2004 | US20040040710 Prevent leakage of hydrocarbon fluid; plugging well; heating, expansion of low melting bismuth alloy |
| 03/04/2004 | US20040040708 Method of treating subterranean formations with porous ceramic particulate materials |
| 03/04/2004 | US20040040706 Removal filter cake from subterranean bore hole; drilling; using oxidizer |
| 03/04/2004 | CA2495544A1 Suspending agent |
| 03/03/2004 | EP1394355A1 Subterranean fractures containing resilient proppant packs |
| 03/03/2004 | EP1394353A2 Controlling gas migration during well cementing |
| 03/03/2004 | EP1394137A2 Composition for cementing a pipe in a well bore |
| 03/03/2004 | EP1394135A2 Cementing in wellbores |
| 03/03/2004 | EP1394133A2 Borehole cement composition |
| 03/03/2004 | EP1392954A1 Thermal extenders for well fluid applications |
| 03/03/2004 | EP1196134A4 Water soluble polymer composition and method of use |
| 03/02/2004 | US6698519 Methods of forming permeable sand screens in well bores |
| 03/02/2004 | US6698515 In situ thermal processing of a coal formation using a relatively slow heating rate |
| 02/29/2004 | CA2436454A1 Methods and compositions for cementing in wellbores |
| 02/29/2004 | CA2436377A1 Process for controlling gas migration during well cementing |
| 02/26/2004 | WO2004016906A1 Process for treating a formation |
| 02/26/2004 | WO2004016707A1 Drilling fluid containing microspheres and use thereof |
| 02/26/2004 | WO2003102106A3 Hydrocarbon recovery |
| 02/26/2004 | US20040038830 Drilling a well into subterranean formations containing oil, gas or other minerals using a drilling fluid comprising a high-amylose starch or starch-blend wherein starch or blend is at least partly derived from a legume |
| 02/26/2004 | US20040038829 Suspending agent |
| 02/26/2004 | US20040035580 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 |
| 02/26/2004 | US20040035331 Mixtures of fluids, solid particles including cement particles and dispersants comprising comb or graft polymers, used for stabilization of subterranean bores |
| 02/26/2004 | CA2495841A1 Drilling fluid containing microspheres and use thereof |
| 02/25/2004 | EP1391580A2 Removal of water-based drilling fluids from downhole surfaces |
| 02/25/2004 | EP1390604A1 Method for treating a subterranean formation |
| 02/25/2004 | EP1149139B1 Agent and method for sealing or consolidating rock, loose rock or soils, especially bore holes |
| 02/24/2004 | US6696572 Corrosion inhibitor compositions including quaternized compounds |
| 02/24/2004 | US6695897 Reaction product of a fatty acid such as soya fatty acid or tall oil fatty acid with polyfunctional amine |
| 02/24/2004 | US6695055 Having a minimal affect on hydrocarbons flow through a well bore by using a polymer surfactant and inert gas to form a foam stable in the presence of flowing formation water; efficient separation of hydrocarbon oils from waterwells |
| 02/19/2004 | WO2003048526A3 Composition for use in sealing a porous subterranean formation, and methods of making and using |
| 02/19/2004 | US20040033907 Mixture of a sulfonated kraft lignin salt and an N-methyl-N-oleyltaurine salt dissolved therein. |
| 02/19/2004 | US20040033905 Drilling fluid containing microspheres and use thereof |
| 02/19/2004 | US20040033557 Using anaerobic microorganism for in situ conversion of subterranean formations of coal and shale into methane gas; hydrocarbon fuels and gases |
| 02/19/2004 | US20040031612 High temperature seawater-based cross-linked fracturing fluids and methods |
| 02/19/2004 | US20040031611 Compositions and methods for water shut-off in subterranean wells |
| 02/17/2004 | US6691805 Electrically conductive oil-based mud |
| 02/17/2004 | US6691780 Tracking of particulate flowback in subterranean wells |
| 02/17/2004 | US6691715 For use in hair, skin and nail conditioning; papermaking; subterranean well drilling and well cementing operations |
| 02/15/2004 | CA2436382A1 Methods of removing water-based drilling fluids and compositions |
| 02/12/2004 | WO2004013460A1 Thermally responsive aqueous silicate mixture |
| 02/12/2004 | WO2004013251A1 Method for drilling a well |
| 02/12/2004 | US20040030206 In drilling fluids; using comb polymer |
| 02/11/2004 | CN1474864A Stable liquid suspension compositions and method of making and use thereof |
| 02/10/2004 | US6689854 Water and oil repellent masonry treatments |
| 02/10/2004 | US6689208 Lightweight cement compositions and methods of cementing in subterranean formations |
| 02/10/2004 | US6688387 In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate |
| 02/10/2004 | CA2217638C Control of fine particulate flowback in subterranean wells |
| 02/05/2004 | WO2004011772A1 Method of controlling scale formation |
| 02/05/2004 | WO2004011771A1 Oil well treatment |