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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11/25/2009 | EP2121869A1 Compositions and methods for breaking a viscosity increasing polymer at very low temperature used in downhole well applications |
11/25/2009 | EP2121868A1 Stable sodium thiosulfate based fluidized polymer suspensions of hydroxyethyl cellulose for oilfield services |
11/25/2009 | EP1869138B1 Drilling fluid containing hydrophobin |
11/25/2009 | CN101589128A Method and composition for enhanced hydrocarbons recovery |
11/25/2009 | CN101589076A Fluorinated surfactants and methods of using the same |
11/25/2009 | CN101586034A Preparing method for modified sulfonated gilsonite |
11/25/2009 | CN101586024A Kind of laminated granule for oil extraction, proppant and oil extraction method using the proppant |
11/25/2009 | CN101586023A High-strength pre-crosslinked gel sealing agent for drilling well and preparation method thereof |
11/25/2009 | CN101586022A Preparing method of silicon viscosity reducer for drilling fluid |
11/25/2009 | CN101586021A Cation viscosity reducer preparing method |
11/25/2009 | CN101585775A Clay stabilizer, preparing method and application thereof |
11/25/2009 | CN101585698A Method for preparing porcelain granules by using fly ash |
11/25/2009 | CN100562553C Method for preparing dual slow multi-hydrogen acid acidification system |
11/24/2009 | US7622430 Dissolved aluminium salt capable of hydrolysis, in use, to form a gel,wherein the solution of said aluminium salt containing suspended inorganic particles comprising alumina coated silica; for hydrocarbon wells |
11/24/2009 | US7622428 Use of aqueous dispersions for tertiary mineral oil production |
11/24/2009 | US7622427 Water and rheology modifier and/or fluid loss control agent, and additive, inorganic salts, shale stabilizers, corrosion inhibitors, weighting agents, and finely divided clay particles |
11/24/2009 | US7622054 Low volatile phosphorous gelling agent |
11/24/2009 | CA2441739C Paraffin inhibitor compositions and their use in oil and gas production |
11/24/2009 | CA2418090C Hydraulic fracturing fluid containing viscoelastic branched chain surfactant |
11/24/2009 | CA2380095C A low-density and low-porosity cementing slurry for oil wells |
11/22/2009 | CA2665502A1 Polymeric extenders for flexible cement |
11/20/2009 | WO2009143219A1 Mitigation of elemental sulfur deposition during production of hydrocarbon gases |
11/19/2009 | WO2009138910A1 Internal breakers for viscoelastic surfactant fluids |
11/19/2009 | WO2009138747A1 Extended cement compositions comprising oil-swellable particles and associated methods |
11/19/2009 | WO2009138733A1 Compositions and methods for the removal of oil-based filtercakes |
11/19/2009 | WO2009138383A1 Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications |
11/19/2009 | WO2009083377A3 Graft copolymer as a gas hydrate inhibitor |
11/19/2009 | US20090286703 Mutual Solvent-Soluble and/or Alcohol Blends-Soluble Particles for Viscoelastic Surfactant Fluids |
11/19/2009 | US20090286702 Using Nanoparticles for Water Flow Control in Subterranean Formations |
11/19/2009 | US20090286701 Compositions and Methods for the Removal of Oil-Based Filtercakes |
11/19/2009 | US20090286700 Heterogeneous Proppant Placement in a Fracture with Removable Channelant Fill |
11/19/2009 | US20090286699 comprises hydrophobic portion and nitrogen-containing functional group capable of reacting with carbon dioxide to form salt, such as alkylated imidazoline; an alkylated guanidine; an alkylated monoethanolamine; an alkylated diethanolamine; gravel packs; shear thinning |
11/19/2009 | US20090286698 polymer matrix comprises styrene-ethylvinylbenzene-divinylbenzene terpolymer; nanofiller particles comprise carbon black; increased stiffness and strength; lightweight; particles contain one or more types of nanofiller embedded in polymer matrix; nanocomposite proppant precursor is suspension polymerized |
11/19/2009 | US20090286697 Lost circulation composition |
11/19/2009 | US20090283269 Extended cement compositions comprising oil-swellable particles and associated methods |
11/19/2009 | US20090283017 Cement blend |
11/19/2009 | DE112007002575T5 Mit abbaubarem Material unterstützte Umleitung With degradable material supported redirection |
11/19/2009 | CA2724080A1 Internal breakers for viscoelastic surfactant fluids |
11/19/2009 | CA2724022A1 Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications |
11/19/2009 | CA2723856A1 Compositions and methods for the removal of oil-based filtercakes |
11/18/2009 | EP2119866A1 Casing strings and methods of using such strings in subterranean cementing operations |
11/18/2009 | EP2118233A2 Treatment fluids comprising diutan and associated methods |
11/18/2009 | EP2118232A2 Aqueous fluid and method of making and using the same |
11/18/2009 | CN101580707A Precured resin coated propping agent and preparation method thereof |
11/18/2009 | CN101580706A High-density ultra-strength petroleum compression fracture proppant and preparation method thereof |
11/18/2009 | CN101580705A Foaming agent with low gas liquid ratio foam for common heavy oil reservoir and injection method thereof |
11/18/2009 | CN101580704A Washing agent and washing method for paraffin removal and unplugging of oil wells and oil pumping pipelines of oil fields |
11/18/2009 | CN100560938C Method and composition for injection at a tunnel boring machine |
11/18/2009 | CN100560684C Oil layer micro-channel anti-blocking hydraulic smoothing agent and application thereof |
11/18/2009 | CN100560683C Non-base oil-dispelling agent composition of bi-alkyl carboxylate and its use |
11/18/2009 | CN100560682C Bottom hole sedimentation type anti-scaling anti-wax agent |
11/18/2009 | CN100560681C Paraffin-cleaning antiseptic corrosion inhibitor |
11/17/2009 | US7618927 Increased rate of penetration from low rheology wellbore fluids |
11/17/2009 | US7618926 Method of foaming saturated or near saturated brines with synergistic mixtures |
11/17/2009 | US7618925 Shale hydration inhibition agent and method of use |
11/17/2009 | US7618924 Non-damaging manganese tetroxide water-based drilling fluids |
11/17/2009 | CA2572627C Injection of treatment materials into a geological formation surrounding a well bore |
11/17/2009 | CA2436725C Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same |
11/12/2009 | WO2009137738A1 Method of remediating bit balling using oxidizing agents |
11/12/2009 | WO2009137587A2 Method and system to recover usable oil-based drilling muds from used and unacceptable oil-based drilling muds |
11/12/2009 | WO2009137407A2 Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss |
11/12/2009 | WO2009137399A2 High density breaker fluids and methods of use thereof |
11/12/2009 | WO2009137285A1 Methods for treating hydrocarbon-bearing formations having brine |
11/12/2009 | WO2009136936A1 Wellbore fluids containing sized clay material and methods of use thereof |
11/12/2009 | WO2009136364A1 Composition and method for fluid recovery from well |
11/12/2009 | WO2009136363A1 Disproportionate permeability reduction using a viscoelastic surfactant |
11/12/2009 | WO2009136154A1 Methods of using a higher-quality water with an unhydrated hydratable additive allowing the use of a lower-quality water as some of the water in the forming and delivering of a treatment fluid into a wellbore |
11/12/2009 | WO2009099850A9 Wellbore fluids comprising poly(trimethylene ether) glycol polymers |
11/12/2009 | US20090281005 Method of acid fracturing a sandstone formation |
11/12/2009 | US20090281004 Composition and Method for Fluid Recovery from Well |
11/12/2009 | US20090281003 Recovery and recycling of chemicals in chemical flooding process |
11/12/2009 | US20090281002 Prevention and remediation of water and condensate blocks in wells |
11/12/2009 | US20090281001 Drilling Fluids Comprising Hydroxylated Polymers |
11/12/2009 | CA2723811A1 Wellbore fluids containing sized clay material and methods of use thereof |
11/12/2009 | CA2723799A1 Method of remediating bit balling using oxidizing agents |
11/12/2009 | CA2723591A1 Methods and aqueous based wellbore fluids for reducing wellbore fluid loss and filtrate loss |
11/12/2009 | CA2723586A1 Breaker fluids comprising a chelating agent and an enzyme |
11/11/2009 | EP2115267A2 High performance foams for unloading gas wells |
11/11/2009 | EP2115090A2 Thickener composition |
11/11/2009 | EP1751197B1 Geosynthetic composite for borehole strengthening |
11/11/2009 | CN101578347A 3m innovative properties co |
11/11/2009 | CN101575966A Method for water plugging and profile controlling of underground polymerization of oil exploitation sludge |
11/11/2009 | CN101575503A High-strength compress supporting agent for coarse oil and preparation method thereof |
11/11/2009 | CN100559012C Mixing and preparing control method for mixed solution for fracturing, acidizing and sand control of oil field |
11/11/2009 | CN100558845C Deep adjusting water blocking agent of self-crosslinked shell acrylamide multipolymer and its preparation method |
11/11/2009 | CN100558748C Soluble, associative carboxymethylcellulose, method of making, and uses thereof |
11/11/2009 | CN100558702C 2-hydroxyl radical-3,5-dialkylbenzene sulfonate anionic surface active agent and preparation method and uses thereof |
11/10/2009 | US7615518 Composition for denaturing and breaking down friction-reducing polymer and for destroying other oil well contaminants |
11/10/2009 | US7615517 Well completion; fracturing fluids or gravel packing fluids |
11/10/2009 | US7615516 Oil field chemical-containing microemulsion includes non-aqueous internal phase that contains oil field chemical such as corrosion inhibitor, where chemical also has surfactant property and is present in an amount effective to form stable microemulsion of droplets of internal phase in external phase |
11/10/2009 | US7614462 Drilling fluids |
11/10/2009 | CA2378073C Method for treatment of underground reservoirs |
11/10/2009 | CA2371122C Shear-sensitive plugging fluid for plugging and a method for plugging a subterranean formation zone |
11/07/2009 | CA2665442A1 Phosphorus-free gelled hydrocarbon compositions and method for use thereof |
11/05/2009 | WO2009133438A2 Swellable compositions for borehole applications |
11/05/2009 | WO2009133340A1 Water-in-oil emulsions with hydrogel droplets |
11/05/2009 | WO2009133339A2 Gelation inhibiting retarders for highly reactive calcium silicate based binder compositions and methods of making and using same |
11/05/2009 | WO2009133312A2 Method for reducing fluid flow in a porous medium by means of a biological process |
11/05/2009 | WO2009098091A3 Impermeability rehabilitation of civil engineering structures |
11/05/2009 | WO2009083801A3 Drilling fluid additive and methods of stabilizing kaolinite fines migration |