| 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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| 12/30/2009 | WO2009131881A3 Compositions and methods for diverting injected fluids to achieve improved hydrocarbon fluid recovery |
| 12/30/2009 | WO2009063496A3 A novel additive for naphthenic acid corrosion inhibition and method of using the same |
| 12/30/2009 | EP2138549A1 Polyamide emulsifier based on alkoxylated polyamines and fatty acid/carboxylic acid for oil based drilling fluid applications |
| 12/30/2009 | EP2137280A1 Method for treating a fractured formation |
| 12/30/2009 | EP2137279A1 Production and use of paraffin inhibitor formulations |
| 12/30/2009 | CN101617019A Proppant and production method thereof |
| 12/30/2009 | CN101617018A Proppant, proppant production method and use of proppant |
| 12/30/2009 | CN101617017A Methods for reducing the viscosity of treatment fluids comprising diutan |
| 12/30/2009 | CN101617016A Method and apparatus for removing cuttings in high-angle wells |
| 12/30/2009 | CN101613599A Solid corrosion and scale inhibitor and preparation method thereof |
| 12/30/2009 | CN101613598A Inhibitor restraining H2S/CO2 corrosion and preparation method thereof |
| 12/30/2009 | CN101613597A Dispersion drag-reduction agent for high-salinity thick oil |
| 12/30/2009 | CN101613596A Sidewall stabilizer |
| 12/30/2009 | CN101613595A Micro-foam drilling fluid |
| 12/30/2009 | CN100575661C Method for processing underground stratum and aqueous viscoelastic processed fluid |
| 12/30/2009 | CN100575447C Compositions and preparation and use thereof |
| 12/30/2009 | CN100575446C Fast drilling agent formulation and preparation technique thereof |
| 12/30/2009 | CA2728166A1 Copolymer for shale stabilization and method of use |
| 12/29/2009 | US7638469 Methods of increasing permeability in carbonatic rock formations with alkanesulfonic acids |
| 12/29/2009 | US7638468 Mixture of acid and quaternary ammonium aromatic salts ; fracturing subterranean formations |
| 12/29/2009 | US7638467 Reversible gelling system and method using same during well treatments |
| 12/29/2009 | US7638466 Thinners for invert emulsions |
| 12/29/2009 | US7638465 Kinetic gas hydrate inhibitors in completion fluids |
| 12/29/2009 | CA2506428C Selective stimulation with selective water reduction |
| 12/29/2009 | CA2170569C Improved water-based drilling fluids for reduction of water adsorption and hydration of argillaceous rocks |
| 12/24/2009 | US20090318315 Gelled hydrocarbons for oilfield processes and methods of use |
| 12/24/2009 | US20090318314 Core for proppant and process for its production and use |
| 12/24/2009 | US20090318313 Slickwater Treatment Fluid and Method |
| 12/24/2009 | US20090314549 Maintaining shale stability by pore plugging |
| 12/24/2009 | US20090314493 Method for controlled gelation of silicates |
| 12/24/2009 | US20090314488 Electrically and/or Magnetically Active Coated Fibres for Wellbore Operations |
| 12/24/2009 | US20090313772 Composition comprising peroxygen and surfactant compounds and method of using the same |
| 12/24/2009 | CA2669823A1 Gelled hydrocarbons for oilfield processes and methods of use thereof |
| 12/23/2009 | WO2009153686A2 Slickwater treatment fluid and method |
| 12/23/2009 | WO2009153547A1 Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same |
| 12/23/2009 | WO2009153203A1 Copolymer synthesis process |
| 12/23/2009 | WO2009152989A1 Method for providing thixotropy to fluids downhole |
| 12/23/2009 | WO2009152923A1 Solids free sealing fluid |
| 12/23/2009 | WO2009133339A3 Gelation inhibiting retarders for highly reactive calcium silicate based binder compositions and methods of making and using same |
| 12/23/2009 | WO2009131917A3 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 12/23/2009 | WO2009120875A3 Shale hydration inhibition agent(s) and method of use |
| 12/23/2009 | WO2009120839A3 Deep eutectic solvents and applications |
| 12/23/2009 | EP2136031A1 Casing strings and methods of using such strings in subterranean cementing operations |
| 12/23/2009 | EP2135914A1 Method for providing thixotropy to fluids downhole |
| 12/23/2009 | EP2135913A1 Electrically and/or magnetically active coated fibres for wellbore operations |
| 12/23/2009 | EP2134888A1 Method for the removal of corrosion layers |
| 12/23/2009 | EP2134806A1 Method for treating a hydrocarbon formation |
| 12/23/2009 | EP2134805A1 Compositions and methods for water and gas shut-off in subterranean wells with ves fluids |
| 12/23/2009 | EP2134804A1 Method for viscosifying invert emulsion drilling fluids |
| 12/23/2009 | EP2134803A1 Method and system for treating hydrocarbon formations |
| 12/23/2009 | CN101611216A Preconditioning an oilfield reservoir |
| 12/23/2009 | CN101611114A Proppant and method for higher production of a well |
| 12/23/2009 | CN101608543A Cleaning fracturing outlet liquid recovery oil displacement and plugging relief technology |
| 12/23/2009 | CN101608175A Complex enzyme preparation, preparation method and applications thereof |
| 12/23/2009 | CN101608113A Formula for preparing fracturing liquid by utilizing biological enzyme preparation |
| 12/23/2009 | CN101608112A Efficient hydrate inhibitor |
| 12/23/2009 | CN101608111A Efficient and non-corrosive hydrate inhibitor |
| 12/23/2009 | CN101608110A Compound blockage relieving agent and using method thereof |
| 12/23/2009 | CN100572494C Microcapsule for retarding oil gas well working fluid additive release and preparation method thereof |
| 12/23/2009 | CN100572493C Oil well blockage removing pipe freeing agent and preparation thereof |
| 12/23/2009 | CN100572492C Horizontal well segmenting perforating compression fracture technique and rubber plug of self-breaking glue solution bung |
| 12/23/2009 | CN100572491C Oil well cement-injection pad fluid admixture and preparation method |
| 12/23/2009 | CN100571855C Foaming agent and circulated microvesicle drilling fluids and drilling technique |
| 12/23/2009 | CA2728109A1 Method for providing thixotropy to fluids downhole |
| 12/23/2009 | CA2727659A1 Copolymer synthesis process |
| 12/23/2009 | CA2727422A1 Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same |
| 12/23/2009 | CA2725373A1 Solids free sealing fluid |
| 12/22/2009 | US7635667 a rate of penetration enhancer, at least one of synthetic (non-toxic) ester-based or olefin-based oils as a carrier for other additives, such as surfactants; a lubricant selected form chlorinated waxes, chlorinated olefins, and plant based fatty acids; and polypropylene glycol as a clay inhibitor |
| 12/22/2009 | US7635028 An oil field treatment composition comprising an aqueous fluid, a nonpolymeric viscosifier, and an acidic internal breaker from 0.005-5 wt %; delayed breaking of viscoelastic surfactant gels inside formation pores, particularly for use in hydraulic fracturing; no mechanical intervention necessary |
| 12/22/2009 | CA2585077C Cementing well bore pipe with activator on outer surface |
| 12/22/2009 | CA2585069C Methods for producing fluids from acidized and consolidated portions of subterranean formations |
| 12/22/2009 | CA2585066C Casing strings and methods of using such strings in subterranean cementing operations |
| 12/22/2009 | CA2458539C Method for inhibiting hydrate formation |
| 12/22/2009 | CA2452430C Method of increasing ph of high-density brines |
| 12/22/2009 | CA2425776C Shale hydration inhibition agent and method of use |
| 12/22/2009 | CA2418933C Scale dissolver fluid |
| 12/22/2009 | CA2398420C Method and composition to decrease iron sulfide deposits in pipe lines |
| 12/22/2009 | CA2300888C Oil based drilling fluids suitable for drilling in the presence of acidic gases |
| 12/17/2009 | WO2009152002A2 Low conductivity water based wellbore fluid |
| 12/17/2009 | WO2009150560A1 Methods of limiting leak off and damage in hydraulic fractures |
| 12/17/2009 | WO2009131937A3 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 12/17/2009 | WO2009125174A3 Clean fluid systems for partial monolayer fracturing |
| 12/17/2009 | US20090312204 Fines migration control at their sources in water reservoirs |
| 12/17/2009 | US20090312203 Reducing fluid leakoff during a fracturing operation by injection into a well bore a viscoelastic surfactant gelling agent and pyroelectric particles, piezoelctric particles and mixtures which under pressure and heating increase gelation to provide a high viscosity fluid for cracking |
| 12/17/2009 | US20090312202 Process for the manufacture of carbon disulphide and use of a liquid stream comprising carbon disulphide for enhanced oil recovery |
| 12/17/2009 | US20090312201 Nano-Sized Particles for Formation Fines Fixation |
| 12/16/2009 | EP2132279A1 Drilling fluid and method for drilling in coal-containing formations |
| 12/16/2009 | EP2132278A1 Shale hydration inhibition agent and method of use |
| 12/16/2009 | EP2132277A1 Aqueous base wellbore fluids for high temperature-high pressure applications and methods of use |
| 12/16/2009 | EP2132240A1 Compositions and methods for treating a water blocked well |
| 12/16/2009 | EP1841833B1 Hydrolytically and hydrothermally stable consolidation or modification of the wetting behavior of geological formations |
| 12/16/2009 | CN101605864A Polyphenylene sulfide proppants |
| 12/16/2009 | CN101605801A Process for stabilized zirconium triethanolamine complex and uses in oil field applications |
| 12/16/2009 | CN101602941A Broad-spectrum wax-proof pour point depressant for crude oil |
| 12/16/2009 | CN101602940A Efficient dynamic hydrate inhibitor |
| 12/16/2009 | CN101602939A Chemical grouting material for surface pre-grouting |
| 12/16/2009 | CN101602938A Cellulose-based drilling fluid filtrate reducer and preparation method |
| 12/16/2009 | CN100569897C Fracturing propping agent for oil gas well and preparation method thereof |
| 12/16/2009 | CN100569896C Usage of cationic galactomannan |
| 12/16/2009 | CN100569895C Foaming agent for improving conventional oil reservoir raw oil recovery rate and its preparing method |