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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04/30/2014 | CN103755868A Resistance reducing agent for fracturing quick water of shale gas and preparation method thereof |
04/30/2014 | CN103159464B Method for preparing fracturing propping agent for shale gas exploitation by utilizing slag |
04/30/2014 | CN102719234B Thickened oil viscosity depressant as well as preparation method and application thereof |
04/30/2014 | CN102533237B Preparation method of novel organic amine adsorbed film type corrosion inhibitor for oil field |
04/30/2014 | CN102337109B Sand-based composition and expanded sand as well as preparation method of expended sand |
04/30/2014 | CN102305050B SUN-W100 biological enzyme well completion production increasing process for well completion plugging removal of oil field |
04/30/2014 | CN102131872B Use of a novolak resin for enhancing the acid resistance of a polyamide composition |
04/30/2014 | CN101627101B Low-density ceramic proppant and its production method |
04/30/2014 | CN101605801B Process for stabilized zirconium triethanolamine complex and uses in oil field applications |
04/30/2014 | CN101405364B Additive for preserving the fluidity of fluids containing gas hydrates |
04/29/2014 | US8709983 Non-phosphorus-based gellant for hydrocarbon fluids |
04/29/2014 | US8709982 Additives for oil recovery from reservoirs |
04/29/2014 | US8708045 Multifunctional boronic acid crosslinking agents and associated methods |
04/29/2014 | CA2759743C Additive composition for well treatment fluids |
04/29/2014 | CA2759728C Aphron-containing fracturing fluid |
04/29/2014 | CA2755727C High performance drilling fluids with submicron-size particles as the weighting agent |
04/29/2014 | CA2741824C Cement compositions and methods utilizing nano-hydraulic cement |
04/29/2014 | CA2527144C Reversibly switchable surfactants and methods of use thereof |
04/24/2014 | WO2014062992A1 New environmentally friendly fluid to remove mn3o4 filter cake |
04/24/2014 | WO2014062988A1 Bubble-enhanced proppant for well fracturing |
04/24/2014 | WO2014062920A1 Passive downhole chemical release packages |
04/24/2014 | WO2014062493A1 Gelling agents and methods of using the same |
04/24/2014 | WO2014062335A1 Defoaming agent compositions and methods of making and using same |
04/24/2014 | WO2014062326A1 Invert emulsion with encapsulated breaker for well treatment |
04/24/2014 | WO2014060686A1 Drilling fluid containing graphene |
04/24/2014 | WO2014011549A4 Insulating annular fluid |
04/24/2014 | WO2012054569A3 Non-homopolymers exhibiting gas hydrate inhibition, salt tolerance and high cloud point |
04/24/2014 | US20140113843 Wellbore Servicing Compositions and Methods of Making and Using Same |
04/24/2014 | US20140113842 Betaine surfactants and preparation methods and uses thereof |
04/24/2014 | US20140113841 Bubble-enhanced proppant for well fracturing |
04/24/2014 | US20140110305 Method and composition for enhanced hydrocarbon recovery |
04/24/2014 | US20140110177 Green directional drilling fluid composition |
04/24/2014 | US20140110121 New Environmentally Friendly Fluid to Remove Mn3O4 Filter Cake |
04/24/2014 | US20140110120 Oligomeric and Polymeric Electronically-Modified Boronic Acids and Methods of Using the Same |
04/24/2014 | US20140110117 Modified nonionic surfactant formulations for enhanced oil recovery |
04/24/2014 | US20140110115 Gelling Agents and Methods of Using the Same |
04/24/2014 | US20140110113 Crosslinkable Water Soluble Compositions And Methods Of Using The Same |
04/24/2014 | US20140110111 Resin-Coated Proppant And Methods Of Use |
04/24/2014 | US20140110110 Porous Proppants |
04/24/2014 | US20140109799 Cement composition based on calcium aluminate cement |
04/23/2014 | EP2722378A1 Method for fracturing or fraccing a well |
04/23/2014 | EP2721119A2 Composition of polybutadiene-based formula for downhole applications |
04/23/2014 | EP2721118A1 Method of inhibiting or controlling release of well treatment agent |
04/23/2014 | CN103748201A Surfactant compositions |
04/23/2014 | CN103748190A Well servicing fluid and method of servicing a well with the fluid |
04/23/2014 | CN103748189A Aluminum sulphonate salt for controlled release of surfactants in an enhanced oil recovery process |
04/23/2014 | CN103742118A Modified guar fracturing fluid recycling method |
04/23/2014 | CN103741466A Modified fiber for fracturing and preparation process |
04/23/2014 | CN103740357A Low-tension foaming agent composition and preparation method thereof |
04/23/2014 | CN103740356A Petroleum fracturing proppant and preparation method thereof |
04/23/2014 | CN103740355A High-salinity water-based modified xanthan gum fracturing fluid and preparation method thereof |
04/23/2014 | CN103740354A A surfactant composition used for tertiary oil recovery and a preparation method thereof |
04/23/2014 | CN103740353A Composite blocking remover and method for removing blockage of compact sandstone reservoir pressing crack commissioning horizontal well in composite manner |
04/23/2014 | CN103740352A Expansion oil well cement with temperature resistance |
04/23/2014 | CN103740351A Low-density consolidation type plugging agent |
04/23/2014 | CN103740350A Polymer wide-temperature-zone retarder for oil-gas well cement and preparation method thereof |
04/23/2014 | CN103740349A Anti-high temperature consolidation type plugging agent |
04/23/2014 | CN103740348A Leaking stoppage reinforcing agent |
04/23/2014 | CN103740347A High performance calcium aluminate oil well cement |
04/23/2014 | CN103740346A Plugging flexibilizer |
04/23/2014 | CN103740345A Foam sealing channeling composition, preparation method thereof and applications thereof |
04/23/2014 | CN103740344A Well cementation displacement efficiency enhancement spacer fluid |
04/23/2014 | CN103740343A Na2SiO3-KCl anti-collapse drilling fluid and preparation method thereof |
04/23/2014 | CN103740342A High temperature-resistant and salt-resistant fluid loss additive and preparation method thereof |
04/23/2014 | CN103740341A Leaking stoppage pressure-bearing agent |
04/23/2014 | CN103740340A Expansion and solidification type plugging agent |
04/23/2014 | CN103740339A Plugging filler |
04/23/2014 | CN103739779A Preparation and application methods of high temperature resistant cement retarder |
04/23/2014 | CN103739778A Core-shell polyacrylamide microsphere profile controlling oil displacement agent and preparation method thereof |
04/23/2014 | CN103739777A Core-shell type cationic/anionic polyacrylamide profile control oil displacing microsphere and preparation method thereof |
04/23/2014 | CN103739769A Method for preparing novel hydrophobic association type polymer surfactant |
04/23/2014 | CN103739758A Preparation method of polyacrylamide for oil field |
04/23/2014 | CN102993780B Long-chain fatty acid-modified quartz material and preparation method thereof |
04/23/2014 | CN102732234B Salt-resistant temperature-resistant micro-foam water-based drilling fluid |
04/23/2014 | CN102703042B Alkali-proof polymer-type profile control agent and preparation method thereof |
04/23/2014 | CN102676149B Viscoelastic fluid, preparation method thereof and method for treating subsurface formation |
04/23/2014 | CN102585795B Viscoelastic fluid, preparing method thereof and method for processing underground stratum |
04/23/2014 | CN102465688B Oil displacement method for improving tertiary oil recovery rate of high-temperature and high-salt oil reservoir |
04/23/2014 | CN102428155B High performance drilling fluids with submicron-size particles as the weighting agent |
04/22/2014 | US8703659 Sealant composition comprising a gel system and a reduced amount of cement for a permeable zone downhole |
04/22/2014 | US8703658 Drilling fluid and methods |
04/22/2014 | US8703657 Inverse emulsion polymers as lost circulation material |
04/22/2014 | US8703656 Chlorine dioxide precursor and methods of using same |
04/22/2014 | US8703655 Dispersing sulfide scales in oil and gas production systems |
04/22/2014 | US8701774 Hydraulic fracturing |
04/22/2014 | US8701763 Methods for treating hydrocarbon-bearing formations having brine |
04/22/2014 | CA2789289C Oil well drilling fluids, oil well cement composition and slurry of weighting material |
04/22/2014 | CA2691860C Oil formulation for preventing water penetration in underground formations |
04/17/2014 | WO2014059167A1 Methods of preventing emulsification of crude oil in well bore treatment fluids |
04/17/2014 | WO2014058553A1 Nanoparticle modified fluids and methods of manufacture thereof |
04/17/2014 | WO2014056948A1 A method for recovering oil |
04/17/2014 | WO2014056947A1 Method and device for the recovery of hydrocarbons from an oil reservoir |
04/17/2014 | WO2014033557A3 Emulsions to enhance microbial activity in a reservoir |
04/17/2014 | WO2013192438A3 Self-suspending proppants for hydraulic fracturing |
04/17/2014 | WO2012121995A3 Thermal insulating fluids |
04/17/2014 | US20140107253 Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use |
04/17/2014 | US20140107252 Weighted Elastomers, Cement Compositions Comprising Weighted Elastomers, and Methods of Use |
04/17/2014 | US20140107000 Stabilized blends containing antioxidants |
04/17/2014 | US20140106993 Systems and methods for processing glycerol |
04/17/2014 | US20140106992 Invert emulsion with encapsulated breaker for well treatment |