| 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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| 01/25/2007 | DE19882406B4 Feststoff-stabilisierte Emulsion, ihre Verwendung zur Ölgewinnung und Verfahren zu ihrer Herstellung Solids-stabilized emulsion, their use for oil extraction and process for their preparation |
| 01/25/2007 | DE102005007287B4 Verwendung von Polyestern als Gashydratinhibitoren Use of polyesters as gas hydrate |
| 01/25/2007 | CA2615475A1 Methods of isolating zones in subterranean formations using self-degrading cement compositions |
| 01/25/2007 | CA2614516A1 Downhole drilling compositions and methods of preparation |
| 01/24/2007 | EP1664481B1 Drilling method |
| 01/24/2007 | EP1654337B1 Borehole treating substance containing ether carboxylic acids |
| 01/24/2007 | EP1556581B1 Methods of completing wells in unconsolidated formations |
| 01/24/2007 | EP1274809B1 Drilling mud |
| 01/24/2007 | CN1902376A Dissolving filter cake |
| 01/24/2007 | CN1900210A High temperature high density isolation liquid |
| 01/24/2007 | CN1296460C 改进的烃流体 Improved hydrocarbon fluids |
| 01/23/2007 | US7166560 Injecting a fluid comprising a solid acid-precursor, and allowing at least a portion of the solid acid-precursor to hydrolyze |
| 01/23/2007 | US7166160 poly(amide) retards the setting of the cement composition at temperatures above about 80 degrees F.; thickening and setting characteristics of cement composition are altered such that the time it takes the cement composition to set is delayed to permit the cement to be pumped into the desired zone |
| 01/23/2007 | US7165613 Propped fracture with high effective surface area |
| 01/23/2007 | CA2163404C Ester-containing lubricating composition, use of said composition and pit fluid containing the composition |
| 01/18/2007 | WO2007007118A1 Water swellable polymers as lost circulation control agents material |
| 01/18/2007 | WO2007007039A1 Methods and compositions for controlling formation fines and reducing proppant flow-back |
| 01/18/2007 | WO2007007025A1 Corrosion inhibitor or intensifier for use in acidizing treatment fluids |
| 01/18/2007 | US20070015670 Treatment fluids with improved shale inhibition and methods of use in subterranean operations |
| 01/18/2007 | US20070015669 Method for making particulate slurries and particulate slurry compositions |
| 01/18/2007 | US20070015668 Treatment fluids with improved shale inhibition and methods of use in subterranean operations |
| 01/18/2007 | US20070015667 Injection at a cutting head of the earth pressure balance tunnel boring machine of a foamed aqueous sufactant solution (e.g.sodium lauryl ether sulfate) solution and an aqueous solution of a water soluble polysodium |
| 01/18/2007 | CA2614265A1 Corrosion inhibitor or intensifier for use in acidizing treatment fluids |
| 01/17/2007 | EP1742890A1 Methods of using settable compositions in a subterranean formation |
| 01/17/2007 | CN1896176A Oil-layer blasthole plugging agent at low temperature |
| 01/17/2007 | CN1896175A Thickened-oil producing auxiliaries and its production |
| 01/17/2007 | CN1896041A Twin diglycol compound, its preparation and use |
| 01/17/2007 | CN1295296C Use of residual active sludge protein as foam drilling liquid and drilling liquid therefor |
| 01/17/2007 | CN1295295C Drilling fluid |
| 01/16/2007 | US7164051 reaction product of 1). an amine, polyamine, alcohol or polyalcohol with 2). a second aldehyde reactant and 3). an alcohol or polyalcohol that is different from the first reactant; for hydrocarbon gases |
| 01/16/2007 | US7163969 Superabsorbent polymer aqueous paste and coating |
| 01/16/2007 | US7163056 Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids |
| 01/16/2007 | CA2357973C Fracturing fluid |
| 01/16/2007 | CA2347957C Method and composition for sweep of cuttings beds in a deviated borehole |
| 01/11/2007 | WO2007005499A1 Fluid loss pills |
| 01/11/2007 | WO2007003953A1 Mixing energy analysis of high-yielding non-newtonian fluids for severe lost circulation prevention |
| 01/11/2007 | WO2007003885A2 Methods and materials for zonal isolation |
| 01/11/2007 | WO2007003053A1 Apparatus and process for the incorporation of a dry treatment product into a liquid waste |
| 01/11/2007 | WO2006095291B1 Well treatment composition crosslinkers and uses thereof |
| 01/11/2007 | WO2006055304A3 Dry mix for drilling fluid |
| 01/11/2007 | US20070010404 Corrosion inhibitor or intensifier for use in acidizing treatment fluids |
| 01/11/2007 | US20070007009 Methods of well stimulation and completion |
| 01/11/2007 | DE102005030283A1 Verfahren zur Vermeidung von Ba-/Sr-Kesselstein A process for preventing Ba / Sr scale |
| 01/11/2007 | CA2613537A1 Apparatus and process for the incorporation of a dry treatment product into a liquid waste |
| 01/10/2007 | EP1740795A1 Multizone stimulation using wax balls |
| 01/10/2007 | EP1740671A1 Inhibitive water-based drilling fluid system and method for drilling sands and other water-sensitive formations |
| 01/10/2007 | EP1056817B1 Anti-accretion additives for drilling fluids |
| 01/10/2007 | CN1894292A Zwitterionic polymers comprising betaine-type units and use of zwitterionic polymers in drilling fluids |
| 01/09/2007 | US7160844 Proppants and their manufacture |
| 01/09/2007 | US7160843 Oil-based demulsifying agent and its use in the treatment of drains bored in oil-based mud |
| 01/09/2007 | US7160842 Polyols for breaking of fracturing fluid |
| 01/09/2007 | US7160507 Using a quaternary ammonium compound containing ether groups |
| 01/09/2007 | US7159675 Method of drilling a borehole into an earth formation |
| 01/09/2007 | US7159658 well completion using mixtures of water, viscosity increasing polymers and water soluble strongly delayed polymer breakers comprising chelating agents, peroxide and iron source; removal of filter cakes |
| 01/09/2007 | US7159656 using mixtures of water and hydrophobically modified water-soluble polymer comprising copolymers of dimethylaminoethyl methacrylate and hexadecyldimethylammoniumethyl methacrylate bromide |
| 01/09/2007 | US7159655 pumping well completion fluids comprising cationic polymers and brines, used as antiscaling agents |
| 01/09/2007 | CA2431528C Fracturing fluids containing borate esters as crosslinking agents and method of using same |
| 01/09/2007 | CA2238467C Method and material for cementing bored wells |
| 01/04/2007 | WO2007000398A1 Method for avoiding the build up of ba-/sr-scale |
| 01/04/2007 | WO2006092547A3 Methods of using drilling fluids containing biodegradable organophilic clay |
| 01/03/2007 | EP1739123A2 Crosslinkable-polymer compositions and method of treating a subterranean formation |
| 01/03/2007 | EP1737923A1 Drilling fluids |
| 01/03/2007 | EP1570155B1 Process for the cleaning of oil and gas wellbores |
| 01/03/2007 | EP1556458B1 Self-destructing filter cake |
| 01/03/2007 | CN1890346A Carbon dioxide foamed fluids |
| 01/03/2007 | CN1890345A Methods of reducing fluid loss in a wellbore servicing fluid |
| 01/03/2007 | CN1293136C Release-control composition |
| 01/02/2007 | US7157409 Surfactant-polymer compositions for enhancing the stability of viscoelastic-surfactant based fluid |
| 01/02/2007 | US7156194 Methods of drilling and consolidating subterranean formation particulate |
| 01/02/2007 | US7156178 Using buffered hydrogen peroxide or per-acids to remove polymers while simultaneously dissolving encountered calcium carbonate deposits |
| 01/02/2007 | US7156177 For dissolving scale (e.g barite and calcite) in a subterranean hydrocarbon-bearing formation; has a surfactant for reducing the viscosity of the fluid |
| 01/02/2007 | US7156175 Preventing the formation of fractures in a subterranean formation during a drilling; separating fluids; forming lightweight well treatment fluids; enhancing permeability |
| 01/02/2007 | US7156174 Contained micro-particles for use in well bore operations |
| 01/02/2007 | US7156173 Cement compositions useful in oil and gas wells |
| 01/02/2007 | US7156172 Method for accelerating oil well construction and production processes and heating device therefor |
| 01/02/2007 | CA2540415C Proppants and their manufacture |
| 01/02/2007 | CA2480267C Compositions for restoring lost circulation |
| 12/28/2006 | WO2006136262A1 Corrosion inhibitor for acids |
| 12/28/2006 | WO2006136031A1 Clay control additive for wellbore fluids |
| 12/28/2006 | WO2006135997A1 Spherical ceramic proppant for hydraulic fracturing of oil or gas wells, and a process for forming cavities in the surface of spherical ceramic proppants |
| 12/28/2006 | WO2005078235A9 Suppressing fluid communication to or from a wellbore |
| 12/28/2006 | US20060293192 Lubricants for drilling fluids and methods for using the same |
| 12/28/2006 | US20060289163 Oil-well cement slurry |
| 12/28/2006 | DE102005026716A1 Tensidmischungen für die tertiäre Erdölförderung Surfactant mixtures for tertiary oil recovery |
| 12/27/2006 | EP1735523A1 Tagged propping agents and related methods |
| 12/27/2006 | EP1735402A2 Method and compositions for rheology modification of aqueous soluble salt solutions |
| 12/27/2006 | EP1735143A2 Coating and/or treating hydraulic fracturing proppants to improve wettability, proppant lubrication, and/or to reduce damage by fracturing fluids and reservoir fluids |
| 12/27/2006 | EP1180061B1 Method for using zwitterionic polymeric suds enhancers |
| 12/27/2006 | CN1884792A Fiber composite sand control process without sieve tube and treatment agent formula |
| 12/27/2006 | CN1884325A Cellulose grafted polymer material and its preparation process and usage |
| 12/27/2006 | CN1292042C Oil-based drilling fluid comprising a temperature-stable and non-polluting emulsifying system |
| 12/27/2006 | CN1292041C Drilling fluid lubricating additive and its preparing method |
| 12/26/2006 | US7153575 Particulate material having multiple curable coatings and methods for making and using same |
| 12/24/2006 | CA2550834A1 Clay control additive for wellbore fluids |
| 12/21/2006 | WO2006134348A1 Subterranean treatment fluids, friction reducing copolymers, and associated methods |
| 12/21/2006 | WO2006134322A1 Crosslinkable polymer compositions |
| 12/21/2006 | WO2006134273A1 Drilling fluid comprising a polymer and use of the polymer in a drilling fluid |
| 12/21/2006 | WO2006114623A3 Method of well treatment and construction |
| 12/21/2006 | WO2006106301A3 Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations |
| 12/21/2006 | US20060287201 Pore-scale geometric models for interpretation of downhole formation evaluation data |