| 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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| 04/04/2013 | US20130085086 Fluid Loss Additives and Methods of Making and Using Same |
| 04/04/2013 | US20130085085 Fluid Loss Additives and Methods of Making and Using Same |
| 04/04/2013 | US20130081826 In-situ generated buffer system |
| 04/04/2013 | US20130081822 Polymer-Enhanced Surfactant Flooding For Permeable Carbonates |
| 04/04/2013 | US20130081820 Hostile environment stable compositions and drilling and fracturing fluids containing same |
| 04/04/2013 | US20130081816 Thermothickener Polymer and Surfactant Composition and Methods of Employing the Composition |
| 04/04/2013 | US20130081808 Hydrocarbon recovery from bituminous sands with injection of surfactant vapour |
| 04/04/2013 | CA2850172A1 Hostile environment stable compositions and drilling and fracturing fluids containing same |
| 04/04/2013 | CA2850140A1 Nonionic surfactants for enhanced crude oil recovery |
| 04/04/2013 | CA2850062A1 Fluid loss additives and methods of making and using same |
| 04/04/2013 | CA2849973A1 Cementing composition comprising anionically- and hydrophobically-modified cellulose ethers and its use |
| 04/04/2013 | CA2849947A1 Aggregating reagents and methods for making and using same |
| 04/04/2013 | CA2849755A1 Proppant materials and methods of tailoring proppant material surface wettability |
| 04/04/2013 | CA2848002A1 In-situ generated buffer system |
| 04/04/2013 | CA2844416A1 Method |
| 04/04/2013 | CA2827471A1 Anti-agglomerate gas hydrate inhibitors for use in petroleum and natural gas systems |
| 04/04/2013 | CA2790267A1 Oil thinning compositions and retrieval methods |
| 04/03/2013 | CN103025997A Oil recovery process for carbonate reservoirs |
| 04/03/2013 | CN103025846A Elastomer-modified crosslinked epoxy vinyl ester particles and methods for making and using the same |
| 04/03/2013 | CN103025845A Fracturing fluid water reuse system and method |
| 04/03/2013 | CN103015957A Flow guiding and fracturing method |
| 04/03/2013 | CN103015944A Method of completing poorly consolidated formations |
| 04/03/2013 | CN103013489A Acidation blocking remover and preparation method thereof |
| 04/03/2013 | CN103013488A Slickwater fracturing fluid drag reducer and preparation method thereof |
| 04/03/2013 | CN103013487A Multi-branched macromolecule fracturing liquid and preparation method thereof |
| 04/03/2013 | CN103013486A Fracturing fluid and fracturing method for increasing applicaiton efficiency of support agent in fractured cracks |
| 04/03/2013 | CN103013485A Modified resin sand consolidation agent as well as preparation method and application thereof |
| 04/03/2013 | CN103013484A Corrosion inhibitor for controlling carbon dioxide and hypersalinity corrosion |
| 04/03/2013 | CN103013483A Oil contamination cleaning agent |
| 04/03/2013 | CN103013482A Composite well wall stabilizer |
| 04/03/2013 | CN103013481A Upside-down-hanging-preventing wide-temperate-zone oil well cement retarder |
| 04/03/2013 | CN103013480A Modified petroleum coke granule composite profile control water blocking agent and multi-round bidirectional blocking control technology |
| 04/03/2013 | CN103013479A Dinas coagulated mortar for leaking stoppage and leak stopping method thereof |
| 04/03/2013 | CN103013478A Plugging material used for oil base drilling fluid, and preparation method thereof |
| 04/03/2013 | CN103013477A High-temperature ebonite foam for unbalanced drilling and preparation method thereof |
| 04/03/2013 | CN103013476A 合成基钻井液 Synthetic-based drilling fluids |
| 04/03/2013 | CN103013475A Maintenance method of synthetic base drilling fluid |
| 04/03/2013 | CN103013474A Preparation method of synthetic base drilling fluid |
| 04/03/2013 | CN103013473A Production method of potassium carbonate polyether polyol drilling fluid |
| 04/03/2013 | CN103013472A Drilling fluid for ultra deep well |
| 04/03/2013 | CN103013471A Method for drilling well by using UDM-1 unconventional well-drilling fluid system |
| 04/03/2013 | CN103013470A Strong-inhibition drilling fluid system |
| 04/03/2013 | CN103013469A Method of utilizing nanometer silicon dioxide to improve properties of water-based drilling fluid at different temperatures |
| 04/03/2013 | CN103013468A Salt-resistant drilling fluid with super-high density, preparation method and application thereof |
| 04/03/2013 | CN103013467A Nonclay one-way plugging drilling fluid |
| 04/03/2013 | CN103013466A Solid paraffin lubricant for drilling fluid and preparation method of solid paraffin lubricant |
| 04/03/2013 | CN103013465A Polyhydroxy-structure emulsifier and oil-base drilling fluid containing same |
| 04/03/2013 | CN103013464A Low fluorescent lubricating agent for drilling fluid and method for preparing low fluorescent lubricating agent |
| 04/03/2013 | CN103013463A Emulsified residual oil type lubricant for drilling fluid and production process thereof |
| 04/03/2013 | CN103013462A Plastic ball solid lubricating agent for drilling fluid and method for preparing plastic ball solid lubricating agent |
| 04/03/2013 | CN103013461A White asphalt for drilling fluid and method for preparing white asphalt for drilling fluid |
| 04/03/2013 | CN103013460A Oil base drilling fluid filtrate reducer as well as preparation method and application of oil base drilling fluid filtrate reducer |
| 04/03/2013 | CN103013459A Dispersant for ultra-high-density drilling fluid, preparation method and application thereof |
| 04/03/2013 | CN103013458A Lignite graft copolymerization fluid loss agent and method for preparing same |
| 04/03/2013 | CN103013457A Temperature-resistant salt-resistant fluid loss additive for drilling fluid and preparation method of additive |
| 04/03/2013 | CN103013456A High-temperature-resistant viscosity-reduction filtrate reducer for drilling fluid and preparation method of filtrate reducer |
| 04/03/2013 | CN103013455A Oil well drilling and cementation silicon film pressure-bearing agent and preparation method thereof |
| 04/03/2013 | CN103013052A Degradable underground blocking material |
| 04/03/2013 | CN103012667A Synthesis method for selective water shutoff agent for water control and sand prevention of oil well |
| 04/03/2013 | CN103012180A Preparation method of organic rheology modifying agent for full-oil-based drilling fluid |
| 04/03/2013 | CN102382637B Water base-carried inactive nitric acid powder and production method thereof |
| 04/03/2013 | CN102277141B Guar derivative-based betaine-type amphoteric thickening agent and preparation method thereof |
| 04/03/2013 | CN102268248B Low-density high-strength andalusite fracturing propping agent and production method thereof |
| 04/03/2013 | CN102225988B Dispersant used in polymer cement mortar for oil field cementing, and preparation method thereof |
| 04/03/2013 | CN102220860B Polymer-surfactant binary compound oil displacement method |
| 04/03/2013 | CN102212344B High-temperature foam scrubbing agent for drainage gas recovery |
| 04/03/2013 | CN102154001B Method for preparing solid organic boron delayed cross-linking agent |
| 04/03/2013 | CN102127416B Anionic surfactant type acid fracturing fluid and preparation method thereof |
| 04/03/2013 | CN102086163B Preparation method and application of high temperature and high salinity stabilizer for drilling fluid |
| 04/03/2013 | CN102061158B Foam reinforcing polymer oil displacement agent and method |
| 04/03/2013 | CN101967370B Packing fluid for branch well drilling |
| 04/03/2013 | CN101948681B Drilling circulating fluid conversion preflush and preparation method thereof |
| 04/03/2013 | CN101906297B Method for preparing film-coated ceramisite proppant by using oil shale wastes |
| 04/03/2013 | CN101885963B High-efficiency oil displacement agent |
| 04/03/2013 | CN101851492B High-temperature high-pressure salt-resistant high-density drilling fluid |
| 04/03/2013 | CN101811876B Production method of haydite proppant |
| 04/03/2013 | CN101735789B Foam compound oil displacement agent and preparation method thereof |
| 04/02/2013 | US8408301 Shear tolerant aqueous based fracturing fluids and methods |
| 04/02/2013 | US8408299 Viscous oil recovery using emulsions |
| 04/02/2013 | CA2676526C Downhole preparation and use of thixotropic cement slurries |
| 04/02/2013 | CA2643866C Nano-additive for hydrocarbon well cementing operations |
| 04/02/2013 | CA2598147C Crosslinking composition for fracturing fluids |
| 04/02/2013 | CA2595217C Method and system for harvesting weighting agent fines |
| 03/30/2013 | CA2791492A1 Hydrocarbon recovery from bituminous sands with injection of surfactant vapour |
| 03/28/2013 | WO2013044218A1 Use of glutamate for microbial enhanced oil recovery |
| 03/28/2013 | WO2013043975A1 Hydrocarbon mobility and recovery through in-situ combustion with the addition of ammonia |
| 03/28/2013 | WO2013043838A1 Use of carbon dioxide soluble nonionic surfactants for enhanced crude oil recovery |
| 03/28/2013 | WO2013043491A1 Method of using dithiazines and derivatives thereof in the treatment of wells |
| 03/28/2013 | WO2013043292A1 Multi-stage methods and compositions for desensitizing subterranean formations faces |
| 03/28/2013 | WO2013043243A1 Compositions and methods of treating high temperature subterranean formations |
| 03/28/2013 | WO2013041143A1 Regeneration of kinetic hydrate inhibitor |
| 03/28/2013 | WO2013040718A1 Pyromellitamide gelling agents |
| 03/28/2013 | WO2012154486A3 Method of well treatment using synthetic polymers |
| 03/28/2013 | US20130079261 Sulfonated internal olefin surfactant for enhanced oil recovery |
| 03/28/2013 | US20130079260 Method for single-stage treatment of siliceous subterranean formations |
| 03/28/2013 | US20130079259 Oil release with polyethylene oxide segment-containing n-lauroyl amino acid-based compounds |
| 03/28/2013 | US20130079258 Spray Dried Emulsifier Compositions, Methods for Their Preparation, and Their Use in Oil-Based Drilling Fluid Compositions |
| 03/28/2013 | US20130079257 Dispersant and a drilling fluid containing the same |
| 03/28/2013 | US20130079256 Filtration Control Agent And A Drilling Fluid Containing The Same |
| 03/28/2013 | US20130079255 Process for the removal of deposits from an oil or gas well, and/or from the surface structures, and/or from the equipment connected therewith, and/or from hydrocarbon bearing formations |