| 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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| 05/15/2007 | US7216709 Hydraulic fracturing using non-ionic surfactant gelling agent |
| 05/15/2007 | US7216707 Cement compositions with improved fluid loss characteristics and methods of cementing using such cement compositions |
| 05/15/2007 | US7216704 Methods and compositions for breaking viscosified fluids |
| 05/15/2007 | CA2527144A1 Reversibly switchable surfactants and methods of use thereof |
| 05/15/2007 | CA2438340C Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block |
| 05/15/2007 | CA2182091C Method for removing alkaline earth metal scale |
| 05/10/2007 | WO2007052192A1 Method of monitoring fluid placement during stimulation treatments |
| 05/10/2007 | WO2007052048A2 Improvements in materials for use in subterranean formations |
| 05/10/2007 | WO2007051971A1 Fluid loss control additives for foamed cement compositions and associated methods |
| 05/10/2007 | WO2007051337A1 Agent for treating oil-polluted ground and for cleaning oil-contaminated surfaces and containers |
| 05/10/2007 | US20070105725 Circulating a drilling fluid containing solid phase weight material selected from barite, calcite, hematite, ilmenite; fluid phase is an oleaginous fluid selected from diesel oil, mineral oil, or synthetic oil; has rheological properties comparable to a conventional wellbore fluid |
| 05/10/2007 | US20070105724 Method of using a sized barite as a weighting agent for drilling fluids |
| 05/10/2007 | US20070105723 Shale inhibition |
| 05/10/2007 | US20070102155 Propped Fracture with High Effective Surface Area |
| 05/10/2007 | CA2626075A1 Method of monitoring fluid placement during stimulation treatments |
| 05/09/2007 | EP1783188A1 Invertible well bore servicing fluid field of the invention |
| 05/09/2007 | EP1783187A2 Method of decreasing the disintegration of shale-containing cuttings and drilling fluid therefor |
| 05/09/2007 | EP1781899A2 Alkylxylene sulfonates for enhanced oil recovery processes |
| 05/09/2007 | EP1781898A1 Water flooding method |
| 05/09/2007 | EP1019459B1 Oil based drilling fluids suitable for drilling in the presence of acidic gases |
| 05/09/2007 | CN1961132A Geosynthetic composite for borehole strengthening |
| 05/09/2007 | CN1958714A Butting and going forward slurry in use for operation of pushing pipe |
| 05/09/2007 | CN1958713A Solid polyalcohol in use for drilling fluid |
| 05/09/2007 | CN1314775C Method for preparing rapidly crosslinkable and easily breakable macromolecule thickener |
| 05/08/2007 | US7214814 Additives for inhibiting gas hydrate formation |
| 05/08/2007 | US7214647 Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use |
| 05/08/2007 | US7213651 Introducing a first fluid to create a segment extending through the subterranean formation; and introducing a second fluid with a different viscosity and density to create a finger or channel within the fluid segment; at least one of the fluids contains a proppant; minimized proppant flowback |
| 05/08/2007 | US7213647 Methods of sealing expandable pipe in well bores and sealing compositions |
| 05/08/2007 | US7213645 Methods of improving well bore pressure containment integrity |
| 05/08/2007 | CA2356081C Foamed nitrogen in liquid co2 for fracturing |
| 05/03/2007 | WO2007051167A2 Method and apparatus for treating water to reduce boiler scale formation |
| 05/03/2007 | WO2007048999A1 Cement compositions comprising high alumina cement and cement kiln dust and method of using them |
| 05/03/2007 | WO2007048518A1 Thickeners for oil-based drilling muds |
| 05/03/2007 | WO2007003885A3 Methods and materials for zonal isolation |
| 05/03/2007 | US20070100029 Cement compositions containing degradable materials and methods of cementing in subterranean formations |
| 05/03/2007 | US20070095534 Well bore treatment fluid |
| 05/03/2007 | DE112005001353T5 Klebrigmacher-Fluids auf Wasserbasis und Verfahren zu ihrer Verwendung Tackifier water-based fluid and methods for their use |
| 05/03/2007 | DE102005051906A1 Mischpolymer auf Basis olefinischer Sulfonsäuren Copolymer based on olefinic sulfonic acids |
| 05/03/2007 | CA2636703A1 Method and apparatus for treating water to reduce boiler scale formation |
| 05/02/2007 | EP1778823A2 Chemical composition of matter for the liquefaction and dissolution of asphaltene and paraffin sludges into petroleum crude oils and refined products at ambient temperatures and method of use |
| 05/02/2007 | EP1778814A1 Stabilizing crosslinked polymer guars and modified guar derivatives |
| 05/02/2007 | EP1778813A2 Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes |
| 05/02/2007 | EP1778797A1 Use of water-soluble acrylic copolymers in optionally pigmented aqueous formulations and resulting formulations |
| 05/02/2007 | CN1313563C Composition of clean fracturing fluid additives and method for fracturing stratum |
| 05/02/2007 | CN1313562C High performance cleanup additive for oil and gas well and method for making same |
| 05/02/2007 | CN1313561C Process for preparing inorganic filler type water absorption resin by underground polymerization |
| 05/02/2007 | CN1313560C Process for preparing high water absorption resin by underground polymerization |
| 05/02/2007 | CN1313397C Method for preparing volume expansion type granular profile control agent using oil production mud |
| 05/01/2007 | US7211550 Compositions for controlling scaling and completion fluids |
| 05/01/2007 | US7211549 Spotting fluid for use with oil-based muds and method of use |
| 05/01/2007 | US7211548 Newberyite or struvite bridging agent; partially depolymerized starch derivative, especially a partially depolymerized crosslinked ether derivative of a starch; and a base fluid such as a drilling or well servicing fluid |
| 05/01/2007 | US7211547 Controlling the migration of particulates by curing and degrading a mixture of a resin, a hardening agent, a hydrocarbon diluent, a silane coupling agent, a foaming agent, a compressible gas, and a hydrolytically degradable material to form a permeable, hardened resin mass. |
| 05/01/2007 | US7211546 Method of increasing the low shear rate viscosity of well drilling and servicing fluids containing calcined magnesia bridging solids, the fluids and methods of use |
| 05/01/2007 | CA2218214C Stabilized fluids containing soluble zinc |
| 04/30/2007 | CA2526998A1 Method of decreasing the disintegration of shale-containing cuttings and drilling fluid therefor |
| 04/26/2007 | WO2007046072A2 Methods of fracturing formations using quaternary amine salts as viscosifiers |
| 04/26/2007 | WO2007045592A1 Emulsifier based on polyamines and fatty acid/maleic anhydride |
| 04/26/2007 | US20070093394 For Acid treating a hydrocarbon well formation; dodecyl benezenesulfonic acid, propargyl alcohol;alkyl diphenyl oxide sulfonic acid in alcohol solvent; for inhibiting or preventing the formation of emulsions |
| 04/26/2007 | US20070093393 Emulsifier based on polyamines and fatty acid/maleic anhydride |
| 04/26/2007 | US20070093378 Process for forming a Ziegler-Natta catalyst system having a controlled morphology |
| 04/26/2007 | US20070092930 Injecting a consortium of bacteria cultured from accession no. MTCC S2-001 into the oil well; injecting water into the oil well to push the entire biological solution into the pores of the oil well; and allowing the microbial consortium to proliferate and dissociate the oil |
| 04/26/2007 | DE102005051165A1 Verdickungsmittel für ölbasierte Bohrspülungen Thickener for oil-based drilling fluids |
| 04/26/2007 | CA2625450A1 Methods of fracturing formations using quaternary amine salts as viscosifiers |
| 04/25/2007 | EP1777279A1 Method of renaturation of large worked subterranean formations |
| 04/25/2007 | EP1776435A1 Granules of powdery mineral and method for production of granules |
| 04/25/2007 | EP1776198A1 Process for stimulating production of methane from petroleum in subterranean formations |
| 04/25/2007 | CN1954132A Tagged propping agents and related methods |
| 04/24/2007 | US7208529 Aminocarboxylic acid breaker compositions for fracturing fluids |
| 04/24/2007 | US7207388 Non-Damaging Fluid-Loss Pill and Method of Using the Same |
| 04/24/2007 | US7207387 Methods and compositions for use with spacer fluids used in subterranean well bores |
| 04/24/2007 | US7207324 Air-intake duct system for a combustion engine |
| 04/24/2007 | CA2413566C Improved electron transfer system for well acidizing compositions and methods |
| 04/19/2007 | WO2007042939A1 Ceramic proppant with low specific weight |
| 04/19/2007 | WO2007041841A1 Water-based polymer drilling fluid and method of use |
| 04/19/2007 | US20070088100 for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling |
| 04/19/2007 | US20070087941 Storable fracturing suspensions containing ultra lightweight proppants in xanthan based carriers and methods of using the same |
| 04/19/2007 | US20070087940 Method of using viscoelastic vesicular fluids to enhance productivity of formations |
| 04/19/2007 | US20070084602 Proppant for hydraulic fracturing of oil and gas wells and process for decreasing or eliminating "flow-back" effect in oil and gas wells |
| 04/19/2007 | DE10307725B4 Korrosions-und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit Corrosion and gas hydrate inhibitors with improved water solubility and increased biodegradability |
| 04/19/2007 | CA2624834A1 Water-based polymer drilling fluid and method of use |
| 04/18/2007 | EP1773964A2 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 04/18/2007 | CN1948349A Preparation method of acetyl acetone cyclodextrin inclusion compound and its application in reducing thick oil viscosity |
| 04/18/2007 | CN1311143C Chemically induced permeability enhancement of subterranean coal formation |
| 04/18/2007 | CN1311051C Fluid useful for oil mining comprising de-acetylated xanthane gum and at least one compound increasing medium ionic strength |
| 04/17/2007 | US7205264 Well treatment method using fluid containing lactic acid or salt thereof |
| 04/17/2007 | US7205263 Proppant and an amine diethoxylate surfactant capable of allowing the fracturing fluid to be foamed at a first pH and defoamed at a second pH; may also contain a gelling agent, an acid and/or a bactericide |
| 04/17/2007 | US7205262 Friction reducing composition and method |
| 04/17/2007 | US7204312 Compositions and methods for the delivery of chemical components in subterranean well bores |
| 04/17/2007 | CA2358837C Borate crosslinked fracturing fluid viscosity reduction breaker mechanism and products |
| 04/17/2007 | CA2263014C Compositions and methods of catalyzing the rate of iron reduction during acid treatment of wells |
| 04/12/2007 | WO2007040537A1 Fast hydrating guar powder, method of preparation, and methods of use |
| 04/12/2007 | WO2007039758A1 Methods for enhancing aqueous fluid recovery from subterranean formations |
| 04/12/2007 | WO2007039710A1 Degradable surfactants and methods for use |
| 04/12/2007 | WO2007039168A1 Cement composition for carbon dioxide supercritical environment |
| 04/12/2007 | WO2006129121A3 Cement compositions comprising environmentally compatible defoaming agents and methods of use |
| 04/12/2007 | US20070082824 Comprises phosphate ester and crosslinking metal; organophilic clays; subterranean wellbores |
| 04/12/2007 | US20070082823 High performance water-based drilling mud and method of use |
| 04/12/2007 | US20070082822 Fluid loss prevention; exhibits minimal difference between downhole equivalent circulating and surface densities; free of organophilic clays |
| 04/12/2007 | US20070079964 Method and composition for enhanced hydrocarbons recovery |
| 04/12/2007 | CA2746567A1 In-situ solidification of invert emulsion fluids to form gas tight annular barrier |