| 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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| 03/07/2007 | CN1923945A Double protection drilling fluid and method of using the same |
| 03/07/2007 | CN1303183C Acidizing fluid for oil well |
| 03/06/2007 | US7186673 enhancement is by pretreating by adding polymers to the oil, biotreating the oil, photochemically treating the oil ; Solid particles may also be added |
| 03/06/2007 | CA2140125C Earth support fluid composition and method for its use |
| 03/01/2007 | US20070049501 Fluid-loss control pills comprising breakers that comprise orthoesters and/or poly(orthoesters) and methods of use |
| 03/01/2007 | US20070049500 Borehole treating substance containing ether carboxylic acids |
| 03/01/2007 | US20070044967 Injecting into a well a hydrophobically-aggregating gelling agent of hydrophilic and hydrophobic monomer units and an inhibitor which suppresses hydrophobic aggregation of the gelling agent and is soluble in water but insoluble in hydrocarbons; controling the flow of water into oil wells |
| 02/28/2007 | EP1756396A1 Geosynthetic composite for borehole strengthening |
| 02/28/2007 | EP1756394A2 Spotting fluid for use with oil-based muds and method of use |
| 02/28/2007 | CN1919963A Brine cement slurry adapted for salt hole air reserved storeroom |
| 02/28/2007 | CN1919879A Acrylic polymer latex dispersions as additives for inhibiting paraffin deposits in crude oils and compositions containing same |
| 02/28/2007 | CN1302085C Multifunctional artesian well liquid additive and its preparation and use |
| 02/27/2007 | US7183240 Additives for inhibiting the formation of gas hydrates |
| 02/27/2007 | US7183239 Made with anionic or cationic polymers, a smaller amount of a surfactant having a charge opposite that of the polymer, and a hydrophobic alcohol. |
| 02/27/2007 | US7182136 Methods of reducing water permeability for acidizing a subterranean formation |
| 02/27/2007 | CA2302062C Brine fluids with improved corrosion properties |
| 02/23/2007 | CA2555726A1 Environmentally friendly defoamer |
| 02/22/2007 | WO2007020436A2 Rapid setting plugging compositions and methods for sealing subterranean formations |
| 02/22/2007 | WO2007020390A1 Methods and compositions for reducing the viscosity of treatment fluids used in subterranean operations |
| 02/22/2007 | WO2006134273A8 Drilling fluid comprising a polymer and use of the polymer in a drilling fluid |
| 02/22/2007 | WO2006078723A3 Microemulsion containing oilfield chemicals useful for oil and gas field applications |
| 02/22/2007 | US20070042914 nonaqueous pumpable combination of vegetable or synthetic oil, diesel oil, mineral oil, kerosine etc; attapulgite clay, magnesium chloride, and magnesium oxide powder; capable of forming a sealing mass that is substantially impermeable to fluid upon contact with water; but is soluble to acid |
| 02/22/2007 | US20070042913 Wellbore treatment compositions containing foam extenders and methods of use thereof |
| 02/22/2007 | US20070042912 Delayed tackifying compositions and associated methods involving controlling particulate migration |
| 02/22/2007 | US20070042911 Method for reducing the viscosity of viscous fluids |
| 02/22/2007 | DE102005039143A1 Mittel und Verfahren zur Hydrophilisierung organischer Stoffe Means and method for hydrophilization of organic substances |
| 02/22/2007 | CA2618394A1 Wellbore treatment compositions containing foam extenders and methods of use thereof |
| 02/21/2007 | CN1918361A Suppressing fluid communication to or from a wellbore |
| 02/21/2007 | CN1916031A Hybrid copolymers |
| 02/21/2007 | CN1915867A Treatment method for recovering inverted discharged pressing crack liquid |
| 02/20/2007 | US7179381 Emplacement of treatment agents using soil fracturing for remediation of subsurface environmental contamination |
| 02/20/2007 | US7178610 controlling shale swelling in a subterranean formation by treating with the fluids |
| 02/20/2007 | US7178596 Methods for improving proppant pack permeability and fracture conductivity in a subterranean well |
| 02/20/2007 | US7178594 Gravel packing a downhole area with a mixture including an alkoxylated fatty amine or polyalkyleneamine surfactant; emulsion can be converted from a water-in-oil to an oil-in-water type emulsion and back again upon protonation and deprotonation |
| 02/19/2007 | CA2555690A1 Strength retrogression preventer |
| 02/16/2007 | CA2556061A1 Delayed tackifying compositions and associated methods involving controlling particulate migration |
| 02/15/2007 | WO2007019180A2 Compounds for binding to eralpha/beta and gpr30, methods of treating disease states and conditions mediated through these receptors and identification thereof |
| 02/15/2007 | WO2007018922A2 Organosulfonyl latent acids for petroleum well acidizing |
| 02/15/2007 | WO2007017815A2 Scale inhibitors compatible with sandstone acidizing |
| 02/15/2007 | WO2007017158A1 Process for the removal of filtercakes in oil wells |
| 02/15/2007 | WO2005118743A3 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid |
| 02/15/2007 | US20070037713 Methods and compositions for reducing the viscosity of treatment fluids used in subterranean operations |
| 02/15/2007 | US20070034410 Methods for reducing circulation loss during drilling operations |
| 02/15/2007 | CA2747034A1 Methods and compositions for determination of fracture geometry in subterranean formations |
| 02/15/2007 | CA2617315A1 Prevention of water and condensate blocks in wells |
| 02/15/2007 | CA2616076A1 Organosulfonyl latent acids for petroleum well acidizing |
| 02/14/2007 | EP1751396A2 Method and apparatus for performing chemical treatments of exposed geological formations |
| 02/14/2007 | EP1751395A2 Low dosage naphthenate inhibitors |
| 02/14/2007 | EP1751197A1 Geosynthetic composite for borehole strengthening |
| 02/14/2007 | EP1751074A2 Subterranean fluids and methods of cementing in subterranean formations |
| 02/14/2007 | EP1497529B1 Method to form a barrier in a reservoir with a magnetorheological fluid |
| 02/14/2007 | EP1230468B1 A novel fluid system having controllable reversible viscosity |
| 02/14/2007 | CN1300279C High temperature acidified mutual solvent |
| 02/14/2007 | CN1300180C Preparation process of cross-linked polymer clew |
| 02/13/2007 | US7176165 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 |
| 02/13/2007 | US7174960 Method to depolymerize as well as derivatize a polysaccharide in a hydrocarbon slurry |
| 02/13/2007 | CA2418817C Method of preventing gas breakthrough in an oil bearing formation |
| 02/13/2007 | CA2320711C Compositions for use in well construction, repair and/or abandonment |
| 02/08/2007 | WO2007015090A1 Scale inhibiting well treatment |
| 02/08/2007 | WO2006059257A3 Viscoelastic surfactant rheology modification |
| 02/08/2007 | US20070032689 Gas hydrate inhibitors |
| 02/08/2007 | US20070032388 Zeolite-containing drilling fluids |
| 02/08/2007 | US20070032387 Low volatile phosphorous gelling agent |
| 02/08/2007 | US20070032386 Internal Breaker for Oilfield Treatments |
| 02/08/2007 | US20070029088 Hydraulically-active cement and spherical zeolite; the flexural strength to compressive strength ratio of the cured cement is 0.29 to 0 80; for cementing an oil or gas well |
| 02/08/2007 | US20070028811 Fluid loss additives for cement slurries |
| 02/08/2007 | CA2614868A1 Scale inhibiting well treatment |
| 02/08/2007 | CA2547223A1 Low volatile phosphorous gelling agent |
| 02/07/2007 | EP1749142A2 Filter cake degradation compositions and associated methods |
| 02/07/2007 | CN1908111A High-temperature resistant water-base mud washing fluid |
| 02/07/2007 | CN1298805C Active collosol deep adjusting driving agnet |
| 02/07/2007 | CN1298804C Hydrophobic hydroexpanding body regulating-driving agent |
| 02/06/2007 | US7172022 Cement compositions containing degradable materials and methods of cementing in subterranean formations |
| 02/06/2007 | CA2491529C Compositions and methods for treating a subterranean formation |
| 02/06/2007 | CA2438654C Composition and method for cementing a well |
| 02/06/2007 | CA2281276C A thermal solvent process for the recovery of heavy oil and bitumen and in situ solvent recycle |
| 02/01/2007 | WO2007012340A1 Sealing material used for building wells and filling underground hollow spaces, especially deep boreholes |
| 02/01/2007 | US20070027036 Variable density drilling mud |
| 02/01/2007 | US20070022917 Methods, cement compositions and oil suspensions of powder |
| 02/01/2007 | US20070022915 Cementing composition with controlled mechanical properties |
| 01/31/2007 | CN1903974A Nano-water soluble microgel oil displacing material and its preparation method |
| 01/31/2007 | CN1903973A Fortified collapse proof well drilling liquid |
| 01/31/2007 | CN1297626C Anticorrosion preservative agent special for sleeve for oilfield well drilling and well cementing |
| 01/31/2007 | CN1297625C Chemical adjuvant for heavy crude oil extraction and its uses |
| 01/30/2007 | US7169739 Combining a cystosol ester compound with a non-aqueous fluid and particles to reduce sag in the resulting fluid composition, wherein the particles comprise barite, galena, hematite, dolomite, calcite, or combinations |
| 01/30/2007 | US7169738 Method of using a sized barite as a weighting agent for drilling fluids |
| 01/30/2007 | US7169727 Process for forming a ziegler-natta catalyst system having a controlled morphology |
| 01/30/2007 | US7168490 Optimized hydrocarbon blends and methods of using optimized hydrocarbon blends |
| 01/30/2007 | US7168489 Orthoester compositions and methods for reducing the viscosified treatment fluids |
| 01/30/2007 | CA2540429C Proppants and their manufacture |
| 01/25/2007 | WO2007010239A1 Methods of isolating zones in subterranean formations using self-degrading cement compositions |
| 01/25/2007 | WO2007010237A1 Kickoff plugs and methods of directional drilling and forming kickoff plugs |
| 01/25/2007 | WO2007010212A1 Treatment fluids with improved shale inhibition and methods of use in subterranean operations |
| 01/25/2007 | WO2007010210A1 Methods for wellbore strengthening and controlling fluid circulation loss |
| 01/25/2007 | WO2007009231A1 Downhole drilling compositions and methods of preparation |
| 01/25/2007 | WO2006124826B1 Clean up additive for viscoelastic surfactant based fluids |
| 01/25/2007 | US20070021309 Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas driliing applications |
| 01/25/2007 | US20070021308 Composition and method for fracturing subterranean reservoirs |
| 01/25/2007 | US20070021307 Downhole drilling compositions and methods of preparation |
| 01/25/2007 | US20070017706 Methods of drilling and consolidating subterranean formation particulates |