Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09K - Materials for applications not otherwise provided for; Applications of materials not otherwise provided for › C09K 8 - Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
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)
05/2012
05/16/2012CN102453478A Temperature-resistance salt-tolerance macromolecular surfactant for oil field, preparation method and application thereof
05/16/2012CN102453477A Sulfoethyl cellulose ether-acrylamide grafted copolymer and preparation method thereof
05/16/2012CN102453476A Synthesis process of terpolymer anti-scaling solution
05/16/2012CN102453475A Leak-stopping agent for petroleum drilling, preparation method, and application thereof
05/16/2012CN102453474A Branchy diversion well window sealant
05/16/2012CN102453473A Organogel blocking agent for water blocking and profile control, and preparation method and application thereof
05/16/2012CN102453472A High strength heat resistant bridging plugging agent and preparation method thereof
05/16/2012CN102453471A Fresh water-based micro bubble drilling fluid for drilling coal bed gas
05/16/2012CN102453470A Copolymer fluid loss agent with resistance against temperature and salt for drilling liquid and preparation method thereof
05/16/2012CN102453259A Synthesis process of biopolymer antiscaling solution
05/16/2012CN102453254A Acrylic acid ester compound and polymer, preparation method and application thereof
05/16/2012CN102453252A Acrylamide macromonomer and comb type copolymer and preparation method and application thereof
05/16/2012CN102453202A Biopolymer scale inhibitor synthesis process capable of improving antiscaling rate through controlling reaction temperature
05/16/2012CN102453201A Dipolymer antiscale agent synthesis process capable of improving antiscale rate by controlling pH value
05/16/2012CN102453200A Terpolymer antiscale agent synthesis process capable of improving antiscale rate by controlling pH value
05/16/2012CN102453199A Biopolymer scale inhibitor synthesizing process capable of obviously improving conversion rate
05/16/2012CN102453196A Synthesis process of novel biopolymer scale inhibitor
05/16/2012CN102453195A Synthesis process of terpolymer scale inhibitor
05/16/2012CN102453194A Copolymer and preparation method thereof
05/16/2012CN102453192A Preparation method of ultrahigh molecular weight sulfonic acid-type polyacrylamide
05/16/2012CN102453178A synthesis process of biopolymer scale inhibitor with obviously enhanced antiscaling effect
05/16/2012CN102453167A Polymer displacement agent, preparation method thereof, and oil displacement method for oil reservoirs
05/16/2012CN102453116A Redox initiator system, acrylamide polymer and preparation method and application of acrylamide polymer
05/16/2012CN102453115A Redox initiator system, acrylamide polymer and preparation method and application of acrylamide polymer
05/16/2012CN102453114A Redox initiator system, acrylamide polymer and preparation method and application of acrylamide polymer
05/16/2012CN102453113A Redox initiator system and acrylamide polymer and preparation method thereof and application thereof
05/16/2012CN102453112A Redox initiator system and acrylamide polymer and preparation method thereof and application thereof
05/16/2012CN102453111A Redox initiator system, acrylamide polymer and preparation method and application of acrylamide polymer
05/16/2012CN102453110A Synthesizing process for polymer scale inhibitor
05/16/2012CN102452966A Alkylbenzene sulfonate Gemini surfactant and preparation method thereof
05/16/2012CN102452964A Amphipathic polymerizable monomer and amphipathic tackifying copolymer and preparation method and application thereof
05/16/2012CN102452950A Amphiphilic polymerizable monomer and amphiphilic tackifying copolymer, and preparation methods and application thereof
05/16/2012CN102452936A Acrylate compound and preparation method thereof, polymer and preparation method and application thereof
05/16/2012CN101671552B Silicate scale clearing agent for ternary combination flooding extraction well
05/16/2012CN101613595B Micro-foam drilling fluid
05/15/2012US8178586 Method for reducing the viscosity of viscous fluids
05/15/2012US8178477 Proppants with carbide and/or nitride phases
05/15/2012US8178476 Proppant having a glass-ceramic material
05/15/2012US8178475 Surfactant materials and coatings for weighting agents for use in oil based drilling fluids
05/15/2012US8176981 Fluorinated surfactants and methods of using the same
05/15/2012CA2701697C Compositions and methods for treatment of well bore tar
05/15/2012CA2681095C Shale hydration inhibition agent and method of use
05/15/2012CA2679872C Corrosion inhibiting compositions comprising unsaturated aldehydes, sulfur compounds, and nitrogen based surfactants
05/15/2012CA2676337C Non-phosphorus hydrocarbon gelling system
05/15/2012CA2646172C Cements for use across formations containing gas hydrates
05/15/2012CA2643835C Diverting compositions, fluid loss control pills, and breakers thereof
05/10/2012WO2012061380A2 Methods, strains, and compositions useful for microbially enhanced oil recovery: arcobacter clade 1
05/10/2012WO2012061364A2 Prevention of biomass aggregation at injection wells
05/10/2012WO2012061350A2 Methods, strains, and compositions useful for microbially enhanced oil recovery: pseudomonas stutzeri
05/10/2012WO2012061241A2 Fluid composition comprising glass microspheres and method of making and using the same
05/10/2012WO2012061187A2 Volcanic ash-based drilling mud to overcome drilling challenges
05/10/2012WO2012061147A1 Salt-tolerant, thermally-stable rheology modifiers
05/10/2012WO2012059714A1 Additives to suppress silica scale build-up and methods of use thereof
05/10/2012WO2012059225A1 Retarded cement compositions and methods for well completions
05/10/2012WO2011161572A3 Method of treating a wellbore at high temperature in contact with carbon dioxide
05/10/2012US20120115759 Treatment fluids containing a boron trifluoride complex and methods for use thereof
05/10/2012US20120115758 Methods using formate gels to condition a pipeline or portion thereof
05/10/2012US20120114428 Anchoring systems for mines
05/10/2012US20120111570 Wellbore treatment compositions comprising hydrophilically modified polymers and nonionic surfactants
05/10/2012US20120111568 COMPOSITIONS USEFUL FOR THE HYDROLYSIS OF GUAR IN HIGH pH ENVIRONMENTS AND METHODS RELATED THERETO
05/10/2012US20120111567 Formate salts for increased stability of polyacrylamide fluids
05/10/2012CA2816383A1 Retarded cement compositions and methods for well completions
05/10/2012CA2816202A1 Methods, strains, and compositions useful for microbially enhanced oil recovery: pseudomonas stutzeri
05/10/2012CA2815702A1 Fatty amines, amidoamines, and their derivatives from natural oil metathesis
05/10/2012CA2815686A1 Fatty amides and derivatives from natural oil metathesis
05/10/2012CA2815683A1 Esteramines and derivatives from natural oil metathesis
05/10/2012CA2815664A1 Quaternized fatty amines, amidoamines, and their derivatives from natural oil metathesis
05/10/2012CA2814403A1 Methods, strains, and compositions useful for microbially enhanced oil recovery: arcobacter clade 1
05/10/2012CA2814400A1 Prevention of biomass aggregation at injection wells
05/10/2012CA2814224A1 Additives to suppress silica scale build-up and methods of use thereof
05/09/2012EP2450418A1 Cement compositions and methods for well completions
05/09/2012EP2450417A1 Self-repairing cements
05/09/2012EP2450416A1 Methods and compositions for suspending fluids in a wellbore
05/09/2012EP2450314A1 Method for treating production water produced at the end of a method for enhanced oil recovery using polymers
05/09/2012EP2449153A1 Polymeric corrosion inhibitors
05/09/2012CN202214323U Slow-release microcapsule for scale prevention, wax prevention or adhesion reduction for oil well
05/09/2012CN102449103A Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation
05/09/2012CN102444395A Process for enhanced oil recovery using asp technique
05/09/2012CN102444392A Cement paste system choosing method capable of preventing oil, gas and water from channeling
05/09/2012CN102443387A Hydrophobic proppant and preparation method thereof
05/09/2012CN102443386A Energy enhancing steering acid liquid system
05/09/2012CN102443385A Chemical oil displacement agent
05/09/2012CN102443384A Biological blocking remover and preparation method thereof
05/09/2012CN102443383A High-dehydration hardenable plugging sealing agent
05/09/2012CN102443382A Plugging agent suitable for large leakage, its preparation method and leaking stopping technology
05/09/2012CN102443381A Base liquid of synthetic base drilling fluid
05/09/2012CN102443124A Preparation method and application of multifunctional polyamine amide for oil field
05/09/2012CN102443111A Profile modification agent for epoxy resin emulsion
05/09/2012CN102086238B Kneading method for preparing myristyl grafted carboxymethyl guar gum
05/09/2012CN101768430B Scale inhibition antiscaling agent for oil-water well salt prevention and scale-inhibition operation and preparation process thereof
05/09/2012CN101696113B Method for preparing low-density sintered ceramisite fracturing proppant with low cost
05/09/2012CN101279937B Alkyl phenol sulfonic polyoxyethylene ether sulfonate and preparation thereof
05/08/2012US8173581 Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids
05/08/2012US8173580 Boron crosslinkers for fracturing fluids with appreciably lower polymer loading
05/08/2012CA2756229A1 Methods and compositions for determination of fracture geometry in subterranean formations
05/08/2012CA2610654C Viscoelastic surfactant fluid systems comprising an aromatic sulfonate and methods of using same
05/03/2012WO2012058622A2 Enhancing hydrocarbon recovery
05/03/2012WO2012058436A2 Nanomatrix carbon composite
05/03/2012WO2012055028A1 Alkali-activated coatings for proppants
05/03/2012WO2012055009A1 Non-aqueous hydrocarbon recovery
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