| 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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| 09/18/2013 | CN103305204A Temperature-resistant salt-resistant acrylamide terpolymer sulfonate oil-displacing agent and synthesis |
| 09/18/2013 | CN103305203A Anti-swelling oil-displacing agent as well as preparing method and using method thereof |
| 09/18/2013 | CN103305202A Multifunctional reverse wetting agent and preparation method thereof |
| 09/18/2013 | CN103305201A Resin sand control agent for thickened oil thermal recovery horizontal well and preparation method and application of resin sand control agent |
| 09/18/2013 | CN103305200A Compound type hydrate inhibitor |
| 09/18/2013 | CN103305199A Active solvent for relieving sump oil blockage of water injection well |
| 09/18/2013 | CN103305198A Coal mine underground borehole filling reinforcement material |
| 09/18/2013 | CN103305197A Cement paste toughening agent and application of cement paste toughening agent in preparation of cementing flexible cement paste |
| 09/18/2013 | CN103305196A Biodiesel-based drilling fluid |
| 09/18/2013 | CN103305195A Method and device for producing high-density ultra-micro oil testing working fluid |
| 09/18/2013 | CN103305194A Synthesis method of polymer type drilling fluid viscosity reducer |
| 09/18/2013 | CN103304771A Polyurethane reinforced material and preparation method thereof |
| 09/18/2013 | CN103304739A KGM (konjac glucomannan) blended polymer oil displacement agent and preparation method thereof |
| 09/18/2013 | CN103304729A Random copolymer and preparation method and application thereof |
| 09/18/2013 | CN103301781A Two-step preparation method of alkyl alcohol/alkenyloxylated alkylalcohol/alkylphenol sulfonate |
| 09/18/2013 | CN102618233B Anti-freezing agent and application of anti-freezing agent to cement additive water aqua for well cementation in oil field |
| 09/18/2013 | CN102464849B Novel inorganic nanocomposite polyacrylamide for displacing reservoir oil and preparation method thereof |
| 09/18/2013 | CN102464761B Sulphonated heat resistant and salt tolerant copolymer for oil field and preparation method thereof |
| 09/18/2013 | CN102453481B Acidic visco-elastic fluid, its preparation method and application thereof |
| 09/18/2013 | CN102382638B Application of pyridine compound for preparing acidization corrosion inhibitors |
| 09/18/2013 | CN102373048B Oil removal method for improving recovery rate of tertiary oil recovery of oil field |
| 09/18/2013 | CN102372807B Preparation method of heat-resistance and salt-tolerance anionic polyacrylamide for oil displacement |
| 09/18/2013 | CN102363727B Seawater-based oil gas well fracturing fluid |
| 09/18/2013 | CN102358771B Temperature resistant, non-crosslinked and biodegradable gel leak-stopping agent and preparation method thereof |
| 09/18/2013 | CN102352237B Preparation method of acid resistant ceramsite fracturing propping agent |
| 09/18/2013 | CN102199421B Modifier for high-pour-point crude oil |
| 09/18/2013 | CN101970602B Method and composition for enhanced hydrocarbons recovery |
| 09/18/2013 | CN101910356B Method for enhancing oil recovery with an improved oil recovery surfactant |
| 09/18/2013 | CN101845294B Method for preparing carbonate polluting control agent using industrial waste acid water |
| 09/18/2013 | CN101798274B Application of amphoteric surfactant in tertiary oil recovery, preparation method and application method of surfactant |
| 09/12/2013 | WO2013134456A1 Set-delayed cement compositions comprising pumice and associated methods |
| 09/12/2013 | WO2013134014A1 Degradable fluid sealing compositions having an adjustable degradation rate and methods for use thereof |
| 09/12/2013 | WO2013133963A1 Surfactant additives for stimulating subterranean formation during fracturing operations |
| 09/12/2013 | WO2013133910A1 Wellbore servicing compositions and methods of making and using same |
| 09/12/2013 | WO2013131837A1 Use of substituted ureas or urethanes in order to further improve the cold flow properties of mineral oils and crude oils |
| 09/12/2013 | WO2013106059A3 Methods for removing residual polymer from a hydraulic fracture |
| 09/12/2013 | WO2013104940A8 Method for reducing coning in oil wells by means of micro (nano) structured fluids with controlled release of barrier substances |
| 09/12/2013 | WO2013022535A3 Methods for monitoring a water source using opticoanalytical devices |
| 09/12/2013 | WO2012117227A8 Radiation-induced thickening and radiation-induced triggering for set-on-command sealent compositions and methods of use |
| 09/12/2013 | US20130237634 Two-Component Mortar Composition and its Use |
| 09/12/2013 | US20130237461 Delivery of particulate material below ground |
| 09/12/2013 | US20130233623 Consolidation |
| 09/12/2013 | US20130233558 Methods for Servicing Subterranean Wells |
| 09/12/2013 | US20130233553 Methods for Servicing Subterranean Wells |
| 09/12/2013 | US20130233550 Set-Delayed Cement Compositions Comprising Pumice and Associated Methods |
| 09/12/2013 | US20130233545 Self-suspending proppants for hydraulic fracturing |
| 09/12/2013 | US20130233544 System and process for inhibitor injection |
| 09/12/2013 | US20130233543 Nitrogen-containing compounds as corrosion inhibitors |
| 09/12/2013 | US20130233538 Methods and Systems for Evaluating a Boundary Between a Consolidating Spacer Fluid and a Cement Composition |
| 09/12/2013 | DE102012102045A1 Verfahren zur Herstellung von Gelsystemen für Öl- und Gasfeldanwendungen, wie Fracking und Bohrlochreinigung und nach diesem Verfahren hergestelltes Gelsystem Process for the preparation of gel systems for oil and gas field applications such as fracking and well cleaning and produced by this method gel system |
| 09/11/2013 | EP2635655A2 Methods, strains, and compositions useful for microbially enhanced oil recovery: arcobacter clade 1 |
| 09/11/2013 | EP2635654A2 Methods, strains, and compositions useful for microbially enhanced oil recovery: pseudomonas stutzeri |
| 09/11/2013 | EP2635653A2 Prevention of biomass aggregation at injection wells |
| 09/11/2013 | EP2635652A1 Additives to suppress silica scale build-up and methods of use thereof |
| 09/11/2013 | EP2635651A1 Retarded cement compositions and methods for well completions |
| 09/11/2013 | EP2635650A2 Fluid composition comprising glass microspheres and method of making and using the same |
| 09/11/2013 | CN103298905A Graphene-based material for shale stabilization and method of use |
| 09/11/2013 | CN103291267A Method for improving oil well yields by means of oil pool indigenous microorganisms |
| 09/11/2013 | CN103289673A High-density and high-strength ceramic proppant and preparation method thereof |
| 09/11/2013 | CN103289672A Preparation method of high-density high-strength fracturing propping agent |
| 09/11/2013 | CN103289671A 缓蚀剂及其制备方法 Inhibitor and its preparation method |
| 09/11/2013 | CN103289670A Polymer corrosion inhibitor and preparation method thereof |
| 09/11/2013 | CN103289669A Surfactant for fracturing fluid and preparation method and fracturing fluid thereof |
| 09/11/2013 | CN103289668A Method for preparing fracturing fluid by utilizing seawater |
| 09/11/2013 | CN103289667A Flow improver for shale gas reservoir fracturing and preparation method thereof |
| 09/11/2013 | CN103289666A Automatic-defoaming foam discharging agent for gas well drainage and preparation method thereof |
| 09/11/2013 | CN103289665A Oil displacement composition, multi-element thermal fluid oil displacement composition containing same and displacement method |
| 09/11/2013 | CN103289664A Acid liquor corrosion inhibitor for inhibiting corrosion of hydrochloric acid solution on carbon steel and preparation method thereof |
| 09/11/2013 | CN103289663A Preparation method and application of low toxicity acidizing corrosion inhibitor |
| 09/11/2013 | CN103289662A Microbial powder for removing and inhibiting wax and application method thereof |
| 09/11/2013 | CN103289661A High-temperature annular protection sealing liquid for water injection well |
| 09/11/2013 | CN103289660A Drilling fluid for protecting reservoir of tight gas reservoir horizontal well |
| 09/11/2013 | CN103289659A Preparation method of high-temperature high-pressure salt-calcium-resistant polymer filtrate reducer |
| 09/11/2013 | CN103289658A Drilling fluid loss agent and preparation method thereof |
| 09/11/2013 | CN103289657A Fluorine-containing oil-based drilling fluid extracting and cutting agent and preparation method thereof |
| 09/11/2013 | CN103289656A Organic silicon lubricant for drilling fluid, and preparation method and application of organic silicon lubricant |
| 09/11/2013 | CN103289013A Gel and method thereof used for plugging and method for plugging killing well |
| 09/11/2013 | CN103288430A Method for preparing special fracturing propping agent for shale gas by utilizing low-carbon coal gangue |
| 09/11/2013 | CN103288428A Method for preparing fracturing propping agent specially used for shale gas from poor bauxite |
| 09/11/2013 | CN103288426A Method for preparing special fracturing propping agent for shale gas by utilizing industrial waste |
| 09/11/2013 | CN103288425A Method for preparing fracturing propping agent special for shale gas from waste slag |
| 09/11/2013 | CN102585792B Low-cost environment-friendly oil-soluble viscosity reducing agent for super heavy oil |
| 09/11/2013 | CN102516493B Polyurethane strengthening water shutoff material special for mining and preparation method thereof |
| 09/11/2013 | CN102399546B Environment-friendly composite blocking remover composition for oil fields |
| 09/11/2013 | CN102352228B High temperature resistance super heavy oil viscosity reducer used with steam and preparation method thereof |
| 09/11/2013 | CN102037096B Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 09/11/2013 | CN101952388B Asphalt dispersers on the basis of phosphonic acids |
| 09/11/2013 | CN101918459B Improved method for producing comb polymers by adding an antioxidant, resulting polymers and uses thereof |
| 09/10/2013 | US8530541 Cement compositions including polymer particles |
| 09/10/2013 | US8530394 Sterically hindered N-methyl secondary and tertiary amine sulfur scavengers and methods for making and using same |
| 09/10/2013 | US8530393 Methods to characterize fracture plugging efficiency for drilling fluids |
| 09/10/2013 | CA2739580C Making proppant used in gas or oil extraction |
| 09/10/2013 | CA2723811C Wellbore fluids containing sized clay material and methods of use thereof |
| 09/06/2013 | WO2013130361A1 In situ heat generation |
| 09/05/2013 | US20130231416 Slag Compositions and Methods of Use |
| 09/05/2013 | US20130231269 Multicomponent Viscoelastic Surfactant Fluid and Method of Using as a Fracturing Fluid |
| 09/05/2013 | US20130231268 Stabilized Acid Precursor and Acid-Enzyme Formulations for Drilling Mud Cake Removal |
| 09/05/2013 | US20130228336 Methods for Servicing Subterranean Wells |
| 09/05/2013 | US20130228335 Methods, Systems, and Compositions for the Controlled Crosslinking of Well Servicing Fluids |
| 09/05/2013 | US20130228334 Method and composition to reduce gel viscosity in the intermediate temperature range |