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)
08/2012
08/15/2012CN102634325A Water and leakage plugging material of retarded crosslinking gel wrapping high valence metal ions
08/15/2012CN102634324A Waterproof locking agent for oil field and preparation method thereof
08/15/2012CN102633988A Modified lauryl amine hardener, manufacturing method and application of modified lauryl amine hardener
08/15/2012CN102633981A Preparation method of plugging material of coal mine gas drainage drilling hole
08/15/2012CN102633955A Anti-shearing polymer and preparation method thereof
08/15/2012CN102633938A AM/BAMACB[7]/AMPS-Na copolymer and preparation method
08/15/2012CN101456931B Synthesis of polymer oil well cement filtrate loss reduction additive and synthetic method thereof and application
08/15/2012CN101387190B Well killing method using absorbent resin to protect low pressure oil and gas reservoir
08/14/2012US8242060 Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applications
08/14/2012US8242059 Wellbore fluid
08/14/2012US8240383 Methods for making and using UV/EB cured precured particles for use as proppants
08/14/2012US8240380 Polymers and nanoparticles formulations with shear-thickening and shear-gelling properties for oilfield applications
08/14/2012US8240379 Shear-activated viscoelastic surfactant fluid and method
08/14/2012CA2684230C Water flooding method for secondary hydrocarbon recovery
08/11/2012CA2765650A1 Self-adaptive cements
08/11/2012CA2765647A1 Self-adaptive cements
08/09/2012WO2012106623A2 Method of corrosion mitigation using nanoparticle additives
08/09/2012WO2012106597A1 Polyols and their use in hydrocarbon lubricating and drilling fluids
08/09/2012WO2012106336A2 Oil field treatment fluids
08/09/2012WO2012104582A1 Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate
08/09/2012WO2012104190A1 A proppant
08/09/2012WO2012080695A3 Acidic treatment fluids containing non-polymeric silica scale control additives and methods related thereto
08/09/2012US20120202723 Polyols and their use in hydrocarbon lubricating and drilling fluids
08/09/2012US20120202721 Electrolyzed water - amine compositions and methods of use
08/09/2012US20120202720 Environmentally friendly stimulation fluids, processes to create wormholes in carbonate reservoirs, and processes to remove wellbore damage in carbonate reservoirs
08/09/2012US20120202719 Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications
08/09/2012US20120202718 Precipitated weighting agents for use in wellbore fluids
08/09/2012US20120202717 Application of degradable fibers in invert emulsion fluids for fluid loss control
08/09/2012US20120199350 Low Heat of Hydration Cement Compositions and Methods of Using Same
08/09/2012CA2825689A1 Increasing fracture complexity in ultra-low permeable subterranean formation using degradable particulate
08/09/2012CA2825034A1 Oil field treatment fluids
08/08/2012EP2484742A1 Shale hydration inhibition agent and method of use
08/08/2012EP2483365A1 Use of alk(en)yl oligoglycosides in enhanced oil recovery processes
08/08/2012EP2483364A1 Sealant compositions comprising diutan and associated methods
08/08/2012EP2483363A1 Crosslinking agents for producing gels and polymer beads for oilfield applications
08/08/2012EP2240531B1 Crosslinked glycerol or oligoglycerol esters, and use thereof as an additive in drilling fluids
08/08/2012EP2215179B1 Nano-sized particles for formation fines fixation
08/08/2012EP1866519B1 Method of recycling fracturing fluids using a self-degrading foaming composition
08/08/2012CN102627960A Self-gas-generating foam fracturing fluid, its production method and application method
08/08/2012CN102627959A Gel breaker microcapsule controlled to release concentratedly in 2-3 h and preparation method thereof
08/08/2012CN102627958A Efficient microcapsule gel breaker and preparation method thereof
08/08/2012CN102627957A Pyridine ring-containing polymer oil displacement agent and preparation method thereof
08/08/2012CN102627956A Application of curdlan as profile control agent in petroleum exploitation and application method
08/08/2012CN102627955A High-temperature O2/CO2 corrosion inhibitor for coiled tubing and preparation method of agent B of high-temperature O2/CO2 corrosion inhibitor
08/08/2012CN102627954A Sodium persulfate microcapsule capable of controllable concentrated release at fixed time and preparation method thereof
08/08/2012CN102627953A Resorcinol profile control agent microcapsule capable of controllable concentrated release at fixed time and preparation method thereof
08/08/2012CN102627577A Emulaifier based on polyamines and fatty acid/maleic anhydride
08/08/2012CN102181272B Anti-collapse and filtration-reducing lubricating agent for drilling fluid, and preparation method and application method thereof
08/08/2012CN101146888B Soluble deverting agents
08/07/2012US8236864 Saponified fatty acids as breakers for viscoelastic surfactant-gelled fluids
08/07/2012US8236739 Zirconium-based cross-linker compositions and their use in high pH oil field applications
08/07/2012US8236738 Control of particulate entrainment by fluids
08/07/2012US8236737 Particles comprising a fluorinated siloxane and methods of making and using the same
08/07/2012US8236736 Oil-based insulating packer fluid
08/07/2012US8236735 Oligoglycerol fatty acid ester lubricant additives for drilling fluids
08/07/2012US8235143 Methods and devices for determination of gas-kick parametrs and prevention of well explosion
08/07/2012US8235119 Drilling fluid and method for reducing lost circulation
08/07/2012CA2696638C Use of a solvent-external emulsion for in situ oil recovery
08/07/2012CA2679204C Using oxidizing agents to remove thiocyanates from brines
08/02/2012WO2012103338A1 Wellbore strengthening composition
08/02/2012WO2012103319A1 Permeability blocking with stimuli-responsive microcomposites
08/02/2012WO2012101456A1 Method for reducing the permeability of a subterranean reservoir
08/02/2012WO2012101120A1 Phosphorous foaming agents which are stable at high temperatures
08/02/2012WO2012051007A3 Stabilizing emulsified acids for carbonate acidizing
08/02/2012WO2012048068A3 Graphene-based material for shale stabilization and method of use
08/02/2012US20120196954 Expoxy Acid Based Biodegradable Set Retarder
08/02/2012US20120196777 Variable Pressure Weighting Material Particles
08/02/2012US20120196776 Oil Field Treatment Fluids
08/02/2012US20120193095 Hydrocarbon Recovery Operations Fluids and Methods For Using the Same
08/02/2012US20120193092 Apparatus and methods for tracking the location of fracturing fluid in a subterranean formation
08/02/2012CA2825796A1 Wellbore strengthening composition
08/01/2012EP2480755A2 Foamers for downhole injection
08/01/2012EP2480642A1 Estolide compositions having excellent low temperature properties
08/01/2012EP2480624A2 Foamers for downhole injection
08/01/2012EP2480623A1 Method for the assisted recovery of hydrocarbons in fractured reservoirs
08/01/2012EP2480622A2 Invert emulsion fluids with high internal phase concentration
08/01/2012EP2480621A1 Sealant compositions and methods utilizing nano-particles
08/01/2012EP2480620A1 Cement compositions and methods utilizing nano-clay
08/01/2012EP2480595A1 Masterbatch for manufacturing a drilling fluid
08/01/2012EP2203538B1 Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation
08/01/2012EP2195400B1 Methods to enhance gas production following a relative-permeability-modifier treatment
08/01/2012EP2158287B1 Water-based fluid for preventing the formation of w/o emulsions or for resolving w/o emulsions already formed in porous matrices
08/01/2012EP2027228B1 Non aqueous gel for wellbore strenghthening
08/01/2012EP1991633B1 Wellbore fluid comprising a base fluid and a particulate bridging agent
08/01/2012EP1773964B1 Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid
08/01/2012CN102625873A Methods to reduce settling rate of solids in a treatment fluid
08/01/2012CN102619492A Polymer flooding alternating injection method of heterogeneous oil reservoir
08/01/2012CN102618564A Amylases, nucleic acids encoding them and methods for making and using them
08/01/2012CN102618454A Thermophilic and colloid degrading Bacillus licheniformis sp. QB26 and its application
08/01/2012CN102618251A Low-density high-strength petroleum fracturing propping agent ceramsite and preparation method thereof
08/01/2012CN102618250A Preparation method of environmental-friendly demulsify-cleanup additive for fracture acidizing
08/01/2012CN102618249A Seawater base fracturing fluid and preparation method thereof
08/01/2012CN102618248A High-chelating-degree liquid state boron cross-linking agent for gugnidine glue fracturing fluid
08/01/2012CN102618247A Air-foam rare earth-base gel and preparation method thereof
08/01/2012CN102618246A Composite foam flooding method suitable for oil field exploitation
08/01/2012CN102618245A Novel emulsified viscosity reduction agent
08/01/2012CN102618244A Betaine surfactant and preparation method and application thereof
08/01/2012CN102618243A Coagulation-reducing viscosity-reducing agent for high-coagulation thickened oil
08/01/2012CN102618242A Oil-displacing agent as Gemini surfactant
08/01/2012CN102618241A Oil-displacing agent for low condensate oil
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