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)
06/2013
06/19/2013CN101935520B Emulsion organic resin selective plugging agent
06/19/2013CN101935519B Drilling fluid and preparation method thereof
06/19/2013CN101906293B Aid for preventing and controlling natural gas hydrate
06/19/2013CN101560080B Coal mine freezing deep well C100 concrete and application thereof
06/19/2013CN101490142B Use of composite materials based on carbon nanotubes as thickening agents for aqueous solutions
06/18/2013US8466094 Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same
06/18/2013US8466093 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications
06/18/2013US8466092 Clay inhibitors for the drilling industry
06/18/2013CA2723586C Breaker fluids comprising a chelating agent and an enzyme
06/15/2013CA2762502A1 Methods and compositions for reducing permeability of a subterranean formation
06/15/2013CA2762457A1 Slickwater fracturing fluid
06/13/2013WO2013086282A1 Two-stage filter cake removal composition for drilling fluids and method of use thereof
06/13/2013WO2013085767A1 Granulated inorganic particulates and their use in oilfield applications
06/13/2013WO2013085412A1 Well treatment with high solids content fluids
06/13/2013WO2013085410A1 Well treatment
06/13/2013US20130150483 Thermally-Activated, High-Temperature Cement Suspending Agent
06/13/2013US20130150269 Light co-solvent compositions
06/13/2013US20130150268 Gel hydration unit
06/13/2013US20130150267 Magnetically controlled delivery of subterranean fluid additives for use in subterranean applications
06/13/2013US20130146312 Self-inhibited swell packer compound
06/13/2013US20130146295 Filter cake removal composition for drilling fluids and method of use thereof
06/13/2013US20130146289 Two-stage filter cake removal composition for drilling fluids and method of use thereof
06/13/2013US20130146286 Self-Repairing Cements
06/13/2013CA2858545A1 Granulated inorganic particulates and their use in oilfield applications
06/13/2013CA2858027A1 Well treatment with high solids content fluids
06/12/2013EP2601276A1 Tagged scale inhibitor compositions and methods of inhibiting scale
06/12/2013CN202989049U Propping agent sphere for oil field fracturing
06/12/2013CN103154430A Control of fluid flow during treatment of subterranean sites using well fluid injection
06/12/2013CN103154182A Oil drilling auxiliary dispersion
06/12/2013CN103154181A 水力压裂 Hydraulic Fracturing
06/12/2013CN103154180A Drilling fluid and method for drilling in coal-containing formations
06/12/2013CN103154179A Clay inhibitors for the drilling industry
06/12/2013CN103147731A Method for enhancing crude oil recovery ratio
06/12/2013CN103146373A Hydraulic sand-jet perforating solution for horizontal well
06/12/2013CN103146372A Inverse emulsion polymer thickener for fracturing fluid and preparation method thereof
06/12/2013CN103146371A Molecular film drag-reduction injection-stimulation agent for low permeability sandstone reservoir
06/12/2013CN103146370A Scale inhibitor for presetting in oil reservoir
06/12/2013CN103146369A Novel chemical foamed cement slurry and construction process thereof
06/12/2013CN103146368A Elastic well cementation cement paste and preparation method thereof
06/12/2013CN103146367A Preparation method for ardealite-based gelled slurry used for well cementation in oil and gas reservoir
06/12/2013CN103146366A Two-component ester-based ultralow-temperature drilling fluid used for polar regions
06/12/2013CN103146365A Full oil base drilling fluid with high dynamic shear force ratio
06/12/2013CN103146364A Strong-inhibition water-base drilling fluid
06/12/2013CN103146363A Composite salt low-activity anti-sloughing drilling fluid and construction method thereof
06/12/2013CN103146362A Broad spectrum type high-efficient blocking agent for drilling fluid
06/12/2013CN103146361A Environment-friendly tackifier for oil-based drilling fluid and preparation method thereof
06/12/2013CN103145402A Propping agent prepared by using boron rocks and iron ores and preparation method thereof
06/12/2013CN102504780B Cement capable of resisting CO2 corrosion for well cementation
06/12/2013CN102477287B Drilling fluid and composite additive
06/12/2013CN102391844B Chrome leather shavings well-drilling leakage-stopping material
06/12/2013CN102234504B Propping agent and preparation method thereof
06/12/2013CN102199089B Synthesis process of oleyl isononanoate
06/12/2013CN102093868B Microbial wax removal and control system and application thereof
06/12/2013CN102086387B Filtrate reducer of cement slurry and application in cementing
06/12/2013CN101910355B Viscoelastic surfactant based wellbore fluids and methods of use
06/12/2013CN101845301B Clean fracturing fluid thickener and preparation method thereof
06/12/2013CN101835871B Installation for enhanced oil recovery using water-soluble polymers, method implementing same
06/12/2013CN101675062B Zirconium-based cross-linker compositions and their use in high pH oil field applications
06/11/2013US8461088 Method of scale inhibition
06/11/2013US8461087 Method for the fracture stimulation of a subterranean formation having a wellbore by using impact-modified thermoset polymer nanocomposite particles as proppants
06/11/2013US8459360 Di-functional surfactants for enhanced oil recovery
06/11/2013US8459353 Delivery of particulate material below ground
06/11/2013CA2735428C Hydrocarbon-based fluid compositions and methods of using same
06/11/2013CA2663456C Method for controlled placement of additives in oil and gas production
06/06/2013WO2013081805A1 BREAKING DIUTAN WITH OXALIC ACID AT 180 °F to 220 °F
06/06/2013WO2013081727A1 Methods for initiating new fractures in a completed wellbore having existing fractures present therein
06/06/2013WO2013036478A3 Disintegrative particles to release agglomeration agent for water shut-off downhole
06/06/2013WO2012069784A8 Consolidation
06/06/2013DE102011055883A1 Use an aggregate, in a polymer forming anchoring compound in fastening technology in building sectors, to increase the capacity of bonding between the substrate and to be fastened object, preferably in wet borehole
06/06/2013CA2853629A1 Methods for initiating new fractures in a completed wellbore having existing fractures present therein
06/05/2013EP2599849A1 Method of inhibiting corrosion of a downhole casing
06/05/2013EP2598600A1 Elastomer-modified crosslinked epoxy vinyl ester particles and methods for making and using the same
06/05/2013EP2598599A1 Stimuli-responsive high viscosity pill
06/05/2013EP2598598A1 A cement composition containing a substituted ethoxylated phenol surfactant for use in an oil-contaminated well
06/05/2013EP2598597A1 Multifunctional boronic acid crosslinking agents and associated methods
06/05/2013EP2598596A2 Fracturing fluid water reuse system and method
06/05/2013EP2598558A2 Crosslinked epoxy vinyl ester particles and methods for making and using the same
06/05/2013CN103140563A Delivery of particulate material below ground
06/05/2013CN103140562A Spacer fluids containing cement kiln dust and methods of use
06/05/2013CN103131407A High strength ceramsite oil proppant using magnesium slag as mineralizer and preparation method thereof
06/05/2013CN103131406A Super-hydrophobic propping agent and preparation method
06/05/2013CN103131405A High-temperature sea water-base fracturing liquid suitable for formation temperature of 160 DEG C and preparation method thereof
06/05/2013CN103131404A Amphoteric ionic polymer water base fracturing fluid thickening agent and preparation method thereof
06/05/2013CN103131403A Slow-release type solid wax inhibition block preparation method
06/05/2013CN103131402A High temperature resistance solid free low damage well killing fluid and preparation method thereof
06/05/2013CN103131401A Solid low-density cement paste lightening admixture and preparation method thereof
06/05/2013CN103131400A Combination object of drilling well rapid blocking agent
06/05/2013CN103131399A Environment-friendly vegetable glue blocking adjusting agent and preparation and application thereof
06/05/2013CN103131398A High-electric-stability water-in-oil drilling fluid
06/05/2013CN103131397A Clay stabilizer for drilling fluid and preparation method thereof
06/05/2013CN103131199A High softening point emulsified asphalt and preparation method thereof
06/05/2013CN103130967A Hyperbranched hydrophobical-associating water-soluble polymer and its preparation method
06/05/2013CN103130954A Insertion plural gel granule and synthetic method thereof
06/05/2013CN103130953A Preparation method of drilling-fluid-use high-temperature-resistant saturated-salt-resistant filtrate loss reducer
06/05/2013CN102584083B Method for preparing high belite cement retarder
06/05/2013CN102453472B High strength heat resistant bridging plugging agent and preparation method thereof
06/05/2013CN102373050B Composition for improving recovery ratio of tertiary oil recovery and preparation method thereof
06/05/2013CN102329598B Clean lubricant for drilling fluid and preparation method thereof
06/05/2013CN102277144B Formamide-sodium silicate composite chemical grouting material adopted for high temperature
06/05/2013CN102220121B Composition capable of improving recovery ratio considerably and preparation method thereof
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