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)
04/2012
04/19/2012WO2012003356A3 Breaker and displacement fluid
04/19/2012WO2011150060A3 Surfactant-less alkaline-polymer formulations for recovering reactive crude oil
04/19/2012US20120094878 Non-Damaging Bimodal Stimulation Composition and Method of use Thereof
04/19/2012US20120094877 Clay inhibitors for the drilling industry
04/19/2012US20120094876 Designed drilling fluids for ecd management and exceptional fluid performance
04/19/2012US20120094337 Process for producing a purified synthesis gas stream
04/19/2012US20120090848 Modification of solid polysaccharide with transesterification agent
04/19/2012US20120090845 Stabilizing Emulsified Acids for Carbonate Acidizing
04/19/2012CA2814319A1 Releasable corrosion inhibitors
04/19/2012CA2812578A1 Light weight proppant with improved strength and methods of making same
04/18/2012EP2441815A1 Ferrosilicon weighting agents for wellbore fluids
04/18/2012EP2440630A1 Tackifying agent pre-coated particulates
04/18/2012EP2179064B1 Method for identification of novel anaerobic denitrifying bacteria utilizing petroleum components as sole carbon source
04/18/2012EP1838762B1 Composition that can form a gel comprising a copolymer, and useful copolymers
04/18/2012CN102421876A Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials
04/18/2012CN102417814A 海水基压裂液及其制备方法 Sea-based fracturing fluid and its preparation method
04/18/2012CN102417813A 一种油层无机解堵剂 One kind of inorganic reservoir plugging agent
04/18/2012CN102415409A 一种油田注水杀菌剂及其制造方法 One kind of oil field water bactericide and its manufacturing method
04/18/2012CN102415387A Surface active ionic liquid bactericide and application thereof in sterilization of oilfield injection water
04/18/2012CN102020982B 一种稠油开采多效降粘剂 One kind of heavy oil viscosity reducer pleiotropic
04/18/2012CN101665683B 一种矿井地面预注浆止浆塞工作泥浆 A pre-mine surface plugs work mud slurry grouting only
04/18/2012CN101608110B 一种复合解堵剂及其使用方法 A composite plugging agents and methods of use
04/18/2012CN101602939B 地面预注浆用化学注浆材料 Ground pre-grouting with chemical grouting material
04/18/2012CN101195576B 制备甲基丙烯酸烷基酯的方法和装置 Preparation of the alkyl ester of methacrylic acid a method and apparatus for
04/17/2012US8158563 Sealant composition
04/17/2012US8158562 Delayed hydrocarbon gel crosslinkers and methods for making and using same
04/17/2012US8158561 Scale and corrosion inhibitors for high temperature and pressure conditions
04/17/2012US8157010 Treatment of subterranean formations
04/17/2012US8157009 Cement compositions and associated methods comprising sub-micron calcium carbonate and latex
04/17/2012CA2676710C Hydroxy polyesters and uses as demulsifiers
04/17/2012CA2660589C Water-soluble and biodegradable copolymers on a polyamide basis and use thereof
04/17/2012CA2613946C Proppant entrainment prevention method
04/12/2012WO2012048068A2 Graphene-based material for shale stabilization and method of use
04/12/2012WO2012045711A1 Low residue formation fracturing
04/12/2012WO2012045155A1 Enzyme breakers and methods for fluid systems
04/12/2012WO2012024498A3 Wellbore service fluid and methods of use
04/12/2012WO2012017358A3 System and method for producing high pressure foam slurry
04/12/2012WO2012016059A3 Fracturing fluid water reuse system and method
04/12/2012WO2012008820A3 High-performance seawater-based fluid composition for drilling petroleum wells with highly hydratable and dispersible formations
04/12/2012WO2012008819A3 Seawater-based polymeric-fluid composition for petroleum-well drilling
04/12/2012WO2011159859A3 Microbiological control in oil and gas operations
04/12/2012WO2011159472A3 Dual-function nano-sized particles
04/12/2012WO2011158139A3 Degradable material for different oilfield applications
04/12/2012WO2011135553A3 Viscosification and foaming of polyacrylamides
04/12/2012US20120088700 Inhibiting Carbon Dioxide Induced Deposition
04/12/2012US20120088699 Film coated particles for oil exploitation and oil exploitation method using the same
04/12/2012US20120088698 Water in oil emulsion, method for the production thereof
04/12/2012US20120088697 Foamer/sulfur scavenger composition and methods for making and using same
04/12/2012US20120085555 Hydrocarbon recovery process
04/12/2012US20120085546 Drilling fluids comprising hydroxylated polymers
04/12/2012CA2813944A1 Graphene-based material for shale stabilization and method of use
04/12/2012CA2813689A1 Enzyme breakers and methods for fluid systems
04/12/2012CA2812719A1 Control of fluid flow during treatment of subterranean sites using well fluid injection
04/12/2012CA2810964A1 Low residue formation fracturing
04/11/2012EP2439254A2 Improved hydrocarbon fluids
04/11/2012EP2438138A2 Methods and compositions for viscosifying heavy aqueous brines
04/11/2012EP2438137A1 Wellbore fluid additives and methods of producing the same
04/11/2012EP2438136A2 Fluorinated polymeric microparticles and uses thereof as fluid reducing additives
04/11/2012CN202186974U 钻井液配制装置 Drilling fluid preparation device
04/11/2012CN102410022A 一种裂缝性碳酸盐岩储层保护方法 One kind of fractured carbonate reservoir protection methods
04/11/2012CN102409018A Arthrobacter simpler strain, and culture method and application thereof
04/11/2012CN102409017A Bacillus subfilis strain, and culture method and application thereof
04/11/2012CN102409016A Pseudomonas aeruginosa strain, and culture method and application thereof
04/11/2012CN102408888A 一种破岩钻井液 One kind of broken rock drilling
04/11/2012CN102408887A 油藏内源微生物高效激活剂及其效果评价方法 Reservoir endogenous microbial efficient activator and its effect evaluation method
04/11/2012CN102408886A Efficient stink-free sulfur solving agent, and preparation method and application thereof
04/11/2012CN102408885A 一种用于含硫气井中沉积硫的高效溶硫剂 A sour gas wells efficient deposition of sulfur dissolved sulfur agent
04/11/2012CN102408884A 自溢合密封剂及其制备方法 From the overflow combined sealant and preparation method
04/11/2012CN102408883A Preparation method of high-temperature-resistant polyamine salt inhibitor for drilling fluid
04/11/2012CN102408882A 酚脲醛树脂改性褐煤类抗高温抗盐降滤失剂及其制备方法 Phenol-urea-formaldehyde resin modified lignite class resistance to high temperature and salt fluid loss additive and its preparation method
04/11/2012CN102408881A Boring flushing fluid and preparation method thereof
04/11/2012CN102408518A 一种微交联驱油用聚合物及其制备方法 A micro crosslinked polymer flooding and its preparation method
04/11/2012CN102408517A Degradation-resistant polymer for tertiary oil recovery and preparation method thereof
04/11/2012CN102408516A Hydrolysis-resistant oil displacement polymer and preparation method thereof
04/11/2012CN102407084A 大流量浓缩液连续配液装置及其控制系统 Large flow concentrate continuous dosing device and control system
04/11/2012CN102021583B 一种油井缓蚀剂及其制备方法 One kind of oil inhibitor and its preparation method
04/11/2012CN101238193B Surfactant mixtures for tertiary oil recovery
04/10/2012US8153564 Zirconium-based cross-linking composition for use with high pH polymer solutions
04/10/2012US8153563 Cement compositions comprising stevia retarders
04/10/2012US8153562 Oligoglycerol fatty acid ester thickeners for oil-based drilling fluids
04/10/2012CA2663608C Methods for producing a guar gum comprising undehusked guar and for using the guar gum in treating a subterranean formation
04/10/2012CA2575150C Well drilling and servicing fluids with magnesia bridging solids and methods of drilling, completing and working over a well therewith
04/07/2012CA2754329A1 Treatment of water for use in hydraulic fracture stimulation
04/05/2012WO2012044986A2 Viscosified fluid loss control agent utilizing chelates
04/05/2012WO2012044420A1 In situ process for mercury removal
04/05/2012WO2012042403A2 Diversion pill and methods of using the same
04/05/2012WO2012042210A1 Spacer fluids containing cement kiln dust and methods of use
04/05/2012WO2012041785A1 Process for separating kinetic hydrate polymer inhibitors
04/05/2012WO2012041004A1 Hydrophobic proppant and preparation method thereof
04/05/2012WO2012010837A8 Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid
04/05/2012WO2012006489A3 A method for treatment of subterranean sites adjacent to water injection wells
04/05/2012WO2011143639A3 Materials and methods for temporarily obstructing portions of drilled wells
04/05/2012US20120083430 Well servicing fluid comprising an organic salt being the product of an organic acid and an organic amine base and method of servicing a well with the fluid
04/05/2012US20120080232 Emulsion-Based Cleaning Composition For Oilfield Applications
04/05/2012US20120080195 Drilling Composition, Process for its Preparation, and Applications Thereof
04/05/2012US20120080192 Hydraulic fracture composition and method
04/05/2012US20120080189 Degradable compositions, apparatus comprising same, and methods of use
04/05/2012CA2821377A1 Hydrophobic proppant and preparation method thereof
04/05/2012CA2808133A1 Spacer fluids containing cement kiln dust and methods of use
04/04/2012EP2436749A1 Thermoset particles with enhanced crosslinking, processing for their production, and their use in oil and natural gas drilling applications
1 ... 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 ... 318