| 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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| 08/01/2013 | US20130196884 Downhole Chemical Delivery For Oil And Gas Wells |
| 08/01/2013 | US20130196883 Cellulose nanowhiskers in well services |
| 08/01/2013 | US20130196882 Flow additive for light or heavy crude oils, use of the additive and process to improve the extraction, pumping and/or transport of light or heavy crude oils |
| 08/01/2013 | US20130195787 Substituted Cellulose Acetates and Uses Thereof |
| 08/01/2013 | US20130192826 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 08/01/2013 | CA2862504A1 Biodegradable oil external emulsion for removal of asphaltene and/or paraffin from producing oil wells |
| 08/01/2013 | CA2861546A1 Desorbants for enhanced oil recovery |
| 08/01/2013 | CA2858435A1 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 08/01/2013 | CA2803326A1 Downhole chemical delivery for oil and gas wells |
| 07/31/2013 | EP2619400A2 Magnetically controlled delivery of subterranean fluid additives for use in subterranean applications |
| 07/31/2013 | EP2619280A1 Tethered polymers used to enhance the stability of microemulsion fluids |
| 07/31/2013 | CN103224780A Retardance and low damage acid solution system for high temperature condensate oil gas reservoir acidification |
| 07/31/2013 | CN103224779A Association-type non-crosslinking fracturing fluid and preparation method thereof |
| 07/31/2013 | CN103224778A Liquefied polymer fracturing liquid thickener and preparation method thereof |
| 07/31/2013 | CN103224777A Weak base ternary composite reservoir oil displacement composition with formulated surfactant and application thereof |
| 07/31/2013 | CN103224776A Oil field flooding stratum protective agent and preparation method and application thereof |
| 07/31/2013 | CN103224775A Low-carbon mixed organic acid used for oil well plug removal, preparation method and application thereof |
| 07/31/2013 | CN103224774A Dual-effect well cementing pad fluid using suspending agent as surfactant |
| 07/31/2013 | CN103224773A Water soluble temporary plugging agent for acidification of water injection well in low permeability oilfield, and preparation method and application thereof |
| 07/31/2013 | CN103224772A Cement slurry and preparation method and application thereof |
| 07/31/2013 | CN103224771A High temperature-resistance and high density synthetic base drilling fluid |
| 07/31/2013 | CN103224587A Rigid polymer with low and medium molecular weight |
| 07/31/2013 | CN102851235B Ureibacillus sp. and bacterial agents and application thereof |
| 07/31/2013 | CN102660038B Method for preparing hydrolytic polyacrylonitrile filtrate reducer by organic diamine cross-linking agent |
| 07/31/2013 | CN102604605B Inorganic salt dual fluid profile control agent and profile control method thereof |
| 07/31/2013 | CN102585788B Supersaturated sodium chloride cement slurry system for well cementation |
| 07/31/2013 | CN102516976B Preparation method of multi-component organic cross-linked acid liquid |
| 07/31/2013 | CN102516963B Chemical composite resin mounting agent for oil-water well casing restoration |
| 07/31/2013 | CN102516961B Organic/inorganic crosslinking system plugging agent applicable to high-temperature oil reservoir |
| 07/31/2013 | CN102504779B Paraffin rosin water plugging agent for water plugging of thick oil huff-puff well and water plugging construction method |
| 07/31/2013 | CN102485828B Low-temperature micro-foam drilling fluid stabilizing agent and application thereof |
| 07/31/2013 | CN102399548B Foaming agent used in composite-foam oil flooding |
| 07/31/2013 | CN102391850B Recovered fracturing fluid used in natural gas well |
| 07/31/2013 | CN102391846B Sulfur solvent for controlling or remitting sulfur deposition |
| 07/31/2013 | CN102373054B Visco-elastic surfactant acidizing liquid |
| 07/31/2013 | CN102373049B Oil displacement method used for improving recovery efficiency of tertiary oil recovery |
| 07/31/2013 | CN102373047B Composition for improving recovery rate of oil field and preparation method thereof |
| 07/31/2013 | CN102373044B Oil displacement method suitable for MgCl2 water-type oil displacement agent |
| 07/31/2013 | CN102344788B Temporary plugging agent for horizontal well staged fracturing of controllable rubber breaking and preparation method thereof |
| 07/31/2013 | CN102337111B Bio-enzyme blockage removal production promoter and application thereof |
| 07/31/2013 | CN102295729B Preparation method of absorbent resin plugging agent |
| 07/31/2013 | CN102220859B Oil flooding method for greatly improving recovery rate of crude oil |
| 07/31/2013 | CN102181279B Quaternary ammonium salt type surfactant fracturing fluid |
| 07/31/2013 | CN102181278B Composite oil displacement agent |
| 07/31/2013 | CN102181276B Sulfur dissolving agent for gas field with high sulfur content |
| 07/31/2013 | CN102093875B Super guar gum foamed fracturing fluid injected with liquid nitrogen for low-permeability gas reservoir and preparation method thereof |
| 07/31/2013 | CN102079973B Circulated stable foams |
| 07/31/2013 | CN102040993B Oil displacement agent suitable for superhigh temperature superhigh salt and superhigh calcium and magnesium homogenized oil deposit |
| 07/31/2013 | CN101906292B High-strength temporary blocking agent and preparation method thereof |
| 07/31/2013 | CN101675143B Control of particulate entrainment by fluids |
| 07/31/2013 | CN101171306B Method for making transportable aqueous slurries by particulate hydrophobicization |
| 07/30/2013 | US8496057 Proppant, a method for production thereof and formation hydraulic fracturing method using the produced proppant |
| 07/30/2013 | CA2694151C Treatment fluids comprising clarified xanthan and associated methods |
| 07/25/2013 | WO2013109768A1 Non-acidic-exothermic sandstone stimulation fluids |
| 07/25/2013 | WO2013109468A2 Compositions useful for the hydrolysis of guar in high ph environments and methods related thereto |
| 07/25/2013 | WO2013108174A1 Process for the enhanced recovery of oil by injection of a polymer solution |
| 07/25/2013 | WO2013108173A1 Process for the enhanced recovery of oil by injection of a polymer solution |
| 07/25/2013 | WO2013107789A1 Sealing fluid for setting a packer |
| 07/25/2013 | WO2012152285A3 Enzyme enhanced oil recovery |
| 07/25/2013 | WO2009070656A3 Provision of viscous compositions below ground |
| 07/25/2013 | US20130190543 Method and composition for enhanced oil recovery |
| 07/25/2013 | US20130190215 Breaking Viscoelastic Surfactant Gelled Fluids Using Breadker Nanoparticles |
| 07/25/2013 | US20130190214 Biocidal system and methods of use |
| 07/25/2013 | US20130186630 Low residue formation fracturing |
| 07/25/2013 | US20130186629 Asphaltene Inhibitors for Squeeze Applications |
| 07/25/2013 | US20130186627 Additives for improving hydrocarbon recovery |
| 07/25/2013 | US20130186624 Manufacture of polymer coated proppants |
| 07/24/2013 | EP2616635A2 Aqueous foaming compositions with high tolerance to hydrocarbons |
| 07/24/2013 | EP2616407A1 Slurry comprising manganomanganic oxide particles and dispersant and method for the production of such slurries |
| 07/24/2013 | CN203079903U Self-gas generating environmental-friendly honeycomb briquette-shaped corrosion inhibiting bubble discharging rod |
| 07/24/2013 | CN103221507A Methods, strains, and compositions useful for microbially enhanced oil recovery: arcobacter clade 1 |
| 07/24/2013 | CN103221506A Oxygen scavenger compositions for completion brines |
| 07/24/2013 | CN103221505A Oil field treatment fluids |
| 07/24/2013 | CN103215207A Pseudomonas strain applicable to oil accumulation environment and application thereof |
| 07/24/2013 | CN103215028A Full-suspension fracturing fluid and fracturing construction method |
| 07/24/2013 | CN103215027A Acidic surfactant fracture liquid system |
| 07/24/2013 | CN103215026A Novel fracturing liquid jelly of vegetable gelatin for gas well |
| 07/24/2013 | CN103215025A Novel vegetable gum fracturing fluid jelly for oil well |
| 07/24/2013 | CN103215024A Seawater-based fracturing fluid for fracturing sea high-temperature oil-gas reservoir |
| 07/24/2013 | CN103215023A Water-alcohol type hydraulic fluid thickener as well as preparation method and application of thickener |
| 07/24/2013 | CN103215022A Low-friction liquid for volume fracture |
| 07/24/2013 | CN103215021A Acidic cross-linking fracturing liquid |
| 07/24/2013 | CN103215020A Preparation method of wetting improving agent for gas well fracturing |
| 07/24/2013 | CN103215019A Preparation and applications of surfactant for alcohol amide-sulfate composite type alkali-free oil displacement |
| 07/24/2013 | CN103215018A Preparation of double-long-chain non-ionic oil-removing surfactant and applications |
| 07/24/2013 | CN103215017A Electronpositive borehole wall stabilizer applied to oil and gas drilling and preparation method of electronpositive borehole wall stabilizer |
| 07/24/2013 | CN103215016A Production method and device of high-density ultramicro well completion drilling formation testing working solution |
| 07/24/2013 | CN103214639A Production method of water-soluble phenolic resin cross-linking agent used for water shut-off and profile control of oil field |
| 07/24/2013 | CN103214631A Temperature-sensitive modified silica nanosphere and preparation method and application thereof |
| 07/24/2013 | CN103214389A Application of N, N'-dual-fatty acyl group ethanediamine sodium malonate compounded system in tertiary oil recovery |
| 07/24/2013 | CN102504794B Hydrophobically associating polymer and mixed surfactant binary compound oil displacement system |
| 07/24/2013 | CN102352234B Low-harm fracturing fluid and preparation method thereof |
| 07/24/2013 | CN102027092B Polyamide emulsifier based on polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications |
| 07/24/2013 | CN102020979B Bonding filling material and method for carrying out downhole filling using the same |
| 07/24/2013 | CN101962531B Multi-functional poly-inorganic salt flooding synergist for tertiary oil recovery and production method thereof |
| 07/24/2013 | CN101863949B Structural modification type cameclia oleifera saponin and preparation method and application thereof |
| 07/24/2013 | CN101747876B Potassium carbonate polyamine drilling fluid |
| 07/24/2013 | CN101534925B Process for obtaining carbon dioxide |
| 07/23/2013 | US8492317 Slag compositions and methods of use |
| 07/23/2013 | US8492316 Method for the fracture stimulation of a subterranean formation having a wellbore by using impact-modified thermoset polymer nanocomposite particles as proppants |