| 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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| 01/24/2013 | WO2013012607A1 Aluminum sulphonate salt for controlled release of surfactants in an enhanced oil recovery process |
| 01/24/2013 | WO2013012577A1 An invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent |
| 01/24/2013 | US20130023450 Controlled release of surfactants for enhanced oil recovery |
| 01/24/2013 | US20130023449 Scale Inhibitor |
| 01/24/2013 | US20130023448 Methods for Treating Hydrocarbon-Servicing Fluids and Wastewater and Fluids Produced Using the Same |
| 01/24/2013 | US20130020090 Three dimensional fluidic jet control |
| 01/24/2013 | US20130020085 Surfactant system to increase hydrocarbon recovery |
| 01/24/2013 | US20130020083 Invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent |
| 01/24/2013 | US20130020082 Method and compositions for enhanced oil recovery |
| 01/24/2013 | US20130020081 Invert emulsion fluid containing a hygroscopic liquid, a polymeric suspending agent, and low-density solids |
| 01/24/2013 | CA2840991A1 Aluminum sulphonate salt for controlled release of surfactants in an enhanced oil recovery process |
| 01/24/2013 | CA2839733A1 An invert emulsion fluid containing a hygroscopic liquid, a polymeric suspending agent, and low-density solids |
| 01/24/2013 | CA2839725A1 An invert emulsion drilling fluid containing a hygroscopic liquid and a polymeric suspending agent |
| 01/23/2013 | EP2548934A1 Methods for stimulating oil or gas production |
| 01/23/2013 | EP2547747A1 Enhanced oil recovery process using water soluble polymers having improved shear resistance |
| 01/23/2013 | EP2547746A1 Composition for well cementing comprising a compounded elastomer swelling additive |
| 01/23/2013 | CN102888215A Oil removing agent for oily cuttings in drilling fluid of oil base and preparation method |
| 01/23/2013 | CN102888214A Emulsion-type oil well viscosity-breaking paraffin removing and inhibiting agent and application method thereof |
| 01/23/2013 | CN102888213A Clay-content-free drilling fluid |
| 01/23/2013 | CN102888212A Composite lignin-base viscosity breaker for drilling fluid and preparation method thereof |
| 01/23/2013 | CN102887974A Anti-water-blocking agent for drilling fluid and preparation method thereof |
| 01/23/2013 | CN102887970A Solution polymerization method |
| 01/23/2013 | CN102409018B Arthrobacter simpler strain, and culture method and application thereof |
| 01/23/2013 | CN102409016B Pseudomonas aeruginosa strain, and culture method and application thereof |
| 01/23/2013 | CN102127409B Crude oil viscosity-breaking pour-point depressant composition, and preparation method and application thereof |
| 01/23/2013 | CN101735776B Low-toxicity or nontoxic multi-functional drilling fluid finishing agent |
| 01/22/2013 | US8357745 Wax-containing materials |
| 01/22/2013 | US8357640 Method of inhibiting corrosion with an alkyl sarcosinate |
| 01/22/2013 | US8357639 Nanoemulsions |
| 01/22/2013 | US8356678 Oil recovery method and apparatus |
| 01/22/2013 | CA2707257C Emulsifier blend |
| 01/22/2013 | CA2584787C Asphaltene inhibition |
| 01/22/2013 | CA2577605C Dry blend fracturing fluid additives |
| 01/17/2013 | WO2013010050A2 Low surface friction proppants |
| 01/17/2013 | WO2013009780A1 Settable compositions comprising interground perlite and hydraulic cement |
| 01/17/2013 | WO2013007811A1 Method for mic control in oil field applications (oil and gas pipeline systems) |
| 01/17/2013 | WO2012088056A3 Methods for treating carbonate hydrocarbon-bearing formations with fluorinated amine oxides |
| 01/17/2013 | WO2012082815A3 Composition and method for reducing hydrate agglomeration |
| 01/17/2013 | US20130017980 Compositions and Methods for Mitigation of Annular Pressure Buildup in Subterranean Wells |
| 01/17/2013 | US20130014945 Low Surface Friction Proppants |
| 01/17/2013 | CA2840235A1 Low surface friction proppants |
| 01/17/2013 | CA2821931A1 Settable compositions comprising interground perlite and hydraulic cement |
| 01/16/2013 | EP2545139A1 Methods relating to modifying flow patterns using in-situ barriers |
| 01/16/2013 | EP2545138A1 Use of polycarboxylate surfactant mixtures for microemulsion flooding |
| 01/16/2013 | EP2545137A1 Method for producing crude oil using surfactants based on c16c18 |
| 01/16/2013 | EP2545136A1 Method for producing crude oil using surfactants based on butylene oxide-containing alkyl alkoxylates |
| 01/16/2013 | EP2545135A1 Method of treating a wellbore having annular isolation system |
| 01/16/2013 | EP2545134A1 Invert drilling fluids having enhanced rheology and methods of drilling boreholes |
| 01/16/2013 | EP2544810A2 Method for producing crude oil using cationic surfactants comprising a hydrophobic block having a chain length of 6 - 10 carbon atoms |
| 01/16/2013 | CN202671469U Equipment for humidifying starch |
| 01/16/2013 | CN102877815A Method for reducing guargum fracturing fluid residues |
| 01/16/2013 | CN102877811A Selective water plugging ball for profile control of water injection well and preparation method and application of selective water plugging ball |
| 01/16/2013 | CN102876315A Low-density ceramsite supporting agent and preparation method thereof |
| 01/16/2013 | CN102876314A Weighted fracturing fluid |
| 01/16/2013 | CN102876313A Hydrophobically associated polymer-composite surfactant binary combination flooding system and method |
| 01/16/2013 | CN102876312A Acrylamide graft copolymer oil-displacing agent and preparation method thereof |
| 01/16/2013 | CN102876311A Method for preparing surface active agent for oil |
| 01/16/2013 | CN102876310A Viscous oil emulsification and viscosity reduction agent |
| 01/16/2013 | CN102876309A Viscous oil viscosity reducer |
| 01/16/2013 | CN102876308A Water-based flash point-free wax cleaning agent and preparation method thereof |
| 01/16/2013 | CN102876307A High-flash-point waxing agent and preparation method thereof |
| 01/16/2013 | CN102876306A Asphaltene deposit dispersant |
| 01/16/2013 | CN102876305A Oil well water shutoff agent and oil well water shutoff method |
| 01/16/2013 | CN102876304A Bottom water plugging agent system and process for horizontal well |
| 01/16/2013 | CN102876303A Pressure-bearing lost circulation additive for drilling fluid and for stably bearing pressure on smooth fracture leakage wall surface |
| 01/16/2013 | CN102876302A Acryloyl morpholine polymer treatment agent for drilling fluid and method for preparing same |
| 01/16/2013 | CN102875729A Preparation method of inhibitors for drilling fluid |
| 01/16/2013 | CN102875728A Zwitterionic polymer anti-collapse agent for foam drilling |
| 01/16/2013 | CN102875726A Copolymer and preparation method and application thereof |
| 01/16/2013 | CN102875725A Copolymer, and preparation method and application thereof |
| 01/16/2013 | CN102875724A Copolymer, and preparation method and application thereof |
| 01/16/2013 | CN102875526A Midbody, monomer, preparation methods of midbody and monomer and application of monomer |
| 01/16/2013 | CN102140335B Alkali-free oil displacement agent containing double long-chain s-triazine type ampholytic surfactant |
| 01/16/2013 | CN101967371B High temperature resistant oil well cement retarder and preparation method thereof |
| 01/16/2013 | CN101852073B Novel integration technique for improving recovery ratio of thick oil with high thickness and low yield |
| 01/16/2013 | CN101831286B Low-density and high-strength ceramic proppant and production method thereof |
| 01/15/2013 | US8354361 Method of using dithiazines and derivatives thereof in the treatment of wells |
| 01/15/2013 | US8354360 Method of subterranean formation treatment |
| 01/15/2013 | US8354279 For determining the source of treatment fluids being produced from a production formation having multiple zones |
| 01/15/2013 | US8353344 Fiber aggregate |
| 01/14/2013 | CA2758782A1 Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions and/or enhanced fluid performance |
| 01/10/2013 | WO2013006657A1 Method for drilling and completion operations with settable resin compositions |
| 01/10/2013 | WO2013006275A2 Down-hole placement of water-swellable polymers |
| 01/10/2013 | WO2013004650A1 Sampling procedure for polymer-based solutions used in underground formations |
| 01/10/2013 | WO2013004168A1 Breathable bonded body pad and production method and application thereof |
| 01/10/2013 | WO2012145274A3 Large hydrophobe surfactants |
| 01/10/2013 | WO2012138485A3 Method and compositions for enhanced oil recovery |
| 01/10/2013 | WO2012116269A3 Composition and method for treating well bore in a subterranean formation with crosslinkers polymer fluids |
| 01/10/2013 | US20130008660 In situ recovery from a hydrocarbon containing formation |
| 01/10/2013 | US20130008353 Low Heat of Hydration Cement Compositions and Methods of Using Same |
| 01/10/2013 | US20130008351 Settable Compositions Comprising Cement Kiln Dust and Rice Husk Ash and Methods of Use |
| 01/10/2013 | CA2841788A1 Method for drilling and completion operations with settable resin compositions |
| 01/10/2013 | CA2835234A1 Sampling procedure for polymer-based solutions used in underground formations |
| 01/09/2013 | EP2542642A1 Clean viscosified treatment fluids and associated methods |
| 01/09/2013 | CN102869747A Method of fluid slug consolidation within fluid system in downhole applications |
| 01/09/2013 | CN102869746A Method for producing mineral oil using surfactants based on a mixture of C32-guerbet-, C34-guerbet-, C36-guerbet-containing alkyl alkoxylates |
| 01/09/2013 | CN102869745A Viscosification and foaming of polyacrylamides |
| 01/09/2013 | CN102869744A Nanoparticle-densified completion fluids |
| 01/09/2013 | CN102863948A Hydroxysulfobetaine amphoteric surfactant for flooding and preparation method of hydroxysulfobetaine amphoteric surfactant |
| 01/09/2013 | CN102863947A Strong-inhibition strong-blocking drilling fluid |