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)
11/2011
11/24/2011US20110287983 Treatment fluids made of hydantoin derivatives for operations in a well
11/24/2011US20110287159 Process for upgrading low value renewable oils
11/24/2011US20110284248 Foam resin sealant for zonal isolation and methods for making and using same
11/24/2011US20110284245 Fluid composition comprising particles and method of modifying a wellbore using the same
11/24/2011US20110284228 Increasing the Viscosity of Viscoelastic Fluids
11/24/2011US20110284225 Shear Tolerant Aqueous Based Fracturing Fluids and Methods
11/24/2011CA2799555A1 Hydraulic fracturing method
11/24/2011CA2799374A1 Proppants for use in hydraulic fracturing of subterranean formations
11/23/2011EP2387604A2 Cleaning agents for wellbore cleaning and methods of use thereof
11/23/2011EP2387603A1 Reduced carbon footprint settable compositions for use in subterranean formations
11/23/2011EP2387602A2 Methods of designing treatment fluids based on solid-fluid interactions
11/23/2011EP2387591A1 Copolymer for inhibiting inorganic deposits
11/23/2011EP2222813B1 Asphalt dispersers on the basis of phosphonic acids
11/23/2011EP1778813B1 Under-neutralized alkylxylene sulfonic acid composition for enhanced oil recovery processes
11/23/2011CN102257095A Removal of crystallinity in guar based materials and related methods of hydration & subterranean applications
11/23/2011CN102257094A Improvement in enhanced oil recovery by polymer without supplementary equipment or product
11/23/2011CN102256928A Cyclohexane oxidation process byproduct stream derivatives and methods for using the same
11/23/2011CN102256927A Cyclohexane oxidation process byproduct derivatives and methods for using the same
11/23/2011CN102256913A Ceramic article and process for making the same
11/23/2011CN102251756A Mountain flour plugging method
11/23/2011CN102250609A Low-friction-resistance weighted acid fracturing working fluid
11/23/2011CN102250608A Rapid demulsifier for fracturing acidification and preparation method thereof
11/23/2011CN102250607A Fracturing fluid flowback agent for oil well fracturing construction
11/23/2011CN102250606A Microemulsion for heavy oil thermal recovery and preparation method for microemulsion
11/23/2011CN102250605A Surfactant formula system for oil displacement and application thereof in tertiary oil recovery
11/23/2011CN102250604A Controlled releasing microcapsule for scale prevention, wax prevention or viscosity reduction of oil well
11/23/2011CN102250603A Separated injection oil well composite blocking remover and injection method thereof
11/23/2011CN102250602A Composite acid blockage removing agent for oil well
11/23/2011CN102250601A Composite blocking remover for oil well and application method thereof
11/23/2011CN102250600A Composite block remover for removing polymer blockage of oilfields
11/23/2011CN102250599A Protective anti-sloughing agent for high-temperature resistant asphalt storage layer
11/23/2011CN102250598A Expandable low-density cement paste and preparation method thereof
11/23/2011CN102250597A Grouting slurry for unconsolidated strata
11/23/2011CN102250596A Novel cement paste for well cementation
11/23/2011CN102250595A Drilling fluid used for active mud shale drilling
11/23/2011CN102250594A Formula and preparation method of drilling fluid with strong solid-phase inhibition property
11/23/2011CN102250593A Anti-collapse inhibitor for water-based drilling fluid and preparation method thereof
11/23/2011CN102247778A Efficient binary surface active agent for displacing oil as well as preparation method and application thereof
11/23/2011CN101580706B High-density ultra-strength petroleum compression fracture proppant and preparation method thereof
11/23/2011CN101475691B Acrylic amide modified polymer micro-crosslinking gel and preparation thereof
11/23/2011CN101081976B Fire-resistant non-injury fracturing fluid thickening agent and preparation method and usage thereof
11/22/2011US8063000 Low bulk density proppant and methods for producing the same
11/22/2011US8062999 Sealant compositions comprising colloidally stabilized latex and methods of using the same
11/22/2011US8062998 Method of treating a formation using deformable proppants
11/22/2011US8062997 Method for enhancing stability of oil based drilling fluids at high temperatures
11/22/2011US8062586 Methods and compositions for inhibiting metal corrosion
11/22/2011CA2663192C Precipitated weighting agents for use in wellbore fluids
11/22/2011CA2654443C Non aqueous gel for wellbore strenghthening
11/22/2011CA2471340C Aqueous fracturing fluid
11/20/2011CA2740453A1 Resin and foam resin sealants for zonal isolation and methods for making and using same
11/17/2011WO2011143639A2 Materials and methods for temporarily obstructing portions of drilled wells
11/17/2011WO2011141875A2 Method and system for treating a subterranean formation
11/17/2011WO2011141298A1 Compositions and methods for cleaning a wellbore prior to cementing
11/17/2011WO2011141042A1 Use of wax-coated grains of sand to eliminate oil contamination or to seal wells
11/17/2011WO2011077336A3 Method for treating well bore in a subterranean formation with high density brines and complexed metal crosslinkers
11/17/2011WO2011058479A3 Compositions and methods to stabilize acid-in-oil emulsions
11/17/2011US20110281779 Novel Anionic Polyalkoxy Group Comprising Surfactants on Basis of Guerbet-Alcohols, Method of Manufacture and Use in Enhanced Oil Recovery (EOR) Applications
11/17/2011US20110281778 Method for reducing filtrate loss from oil based drilling fluids
11/17/2011US20110281777 Drilling fluid and methods
11/17/2011US20110278011 Materials and methods for temporarily obstructing portions of drilled wells
11/17/2011US20110278006 Defluidizing lost circulation pills
11/17/2011US20110278003 Proppants for use in hydraulic fracturing of subterranean formations
11/17/2011CA2800309A1 Formulations and methods for removing hydrocarbons from surfaces
11/17/2011CA2799362A1 Materials and methods for temporarily obstructing portions of drilled wells
11/17/2011CA2799098A1 Method and system for treating a subterranean formation
11/17/2011CA2797471A1 Compositions and methods for cleaning a wellbore prior to cementing
11/16/2011EP1799960B1 Method for treating underground formations or cavities with microgels
11/16/2011CN102245732A Chrome free water-based wellbore fluid
11/16/2011CN102242625A Method for improving recovery ratio of crude oil of oil deposit after polymer flooding
11/16/2011CN102242076A Microorganism for oil displacement and composite type oil displacement agent containing same
11/16/2011CN102241804A Preparation method of coupling phenolic resin used for drilling fluid
11/16/2011CN102241803A Method for preparing modified sulfomethal phenolaldehy resin for drilling liquid
11/16/2011CN102241801A Acrylic acid(AA)/sodium 2-acrylamide-2-methylpro panesulfonic acid(AMPS-Na)/diisocyanate-modified allyl cyclodextrin (MACD) copolymer
11/15/2011US8058213 Increasing buoyancy of well treating materials
11/15/2011US8058212 Method of fracturing using mannanohydrolase enzyme breaker
11/15/2011US8058211 Corrosion inhibitor intensifier compositions and associated methods
11/15/2011US8056630 Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations
11/15/2011CA2654639C Surfactant materials and coatings for weighting agents for use in oil based drilling fluids
11/10/2011WO2011115729A3 Method and materials for proppant fracturing with telescoping flow conduit technology
11/10/2011WO2010106308A8 Wellbore servicing compositions comprising a set retarding agent and methods of making and using same
11/10/2011US20110275736 Compositions for modifying rheological properties of cement systems
11/10/2011US20110275546 Foaming composition for high temperature and salinity
11/10/2011US20110275545 Drilling fluid additive system
11/10/2011US20110272325 Formulations and methods for removing hydrocarbons from surfaces
11/10/2011US20110272146 Methods and compositions for determination of fracture geometry in subterranean formations
11/10/2011US20110272142 Radiation-Induced Thickening and Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use
11/10/2011US20110272141 Radiation-Induced Triggering for Set-On-Command Sealant Compositions and Methods of Use
11/09/2011EP2385019A1 Process for the incorporation of a dry treatment product into a liquid waste
11/09/2011EP1301576B1 Compositions for controlling scaling and completion fluids
11/09/2011CN202030696U Thermosetting lamellar plugging agent for petroleum drilling
11/09/2011CN1756892B Propped fracture with high effective surface area
11/09/2011CN102234504A Propping agent and preparation method thereof
11/09/2011CN102234503A Oil displacement agent
11/09/2011CN102234502A Corrosion inhibitor and preparation method
11/09/2011CN102234501A Ocean deepwater water-based constant-rheology drilling fluid
11/09/2011CN101619210B Carbon dioxide foam stabilizer suitable for low-permeability oil deposit
11/09/2011CN101619208B Acid-resisting and oil-resisting type foam plugging agent
11/09/2011CN101531887B High-temperature resistant polymer fluid loss agent for drilling fluid and preparation method thereof
11/09/2011CN101531886B High-temperature resistant polymer viscosity reducer for drilling fluid and preparation method thereof
11/09/2011CN101134892B Deepwater well cementing mortar architecture