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)
07/2010
07/29/2010WO2010084323A2 Process for hydrate inhibitor regeneration
07/29/2010WO2010084137A1 Method for reducing filtrate loss from oil based drilling fluids
07/29/2010WO2010084009A1 A method and system using zeta potential altering compositions as aggregating reagents for sand control
07/29/2010US20100190666 Method for treating fracturing water
07/29/2010US20100190665 Fluid and method for agglomerating particles in a well service operation
07/29/2010US20100190664 Invert emulsion based completion and displacement fluid and method of use
07/29/2010US20100186957 Fluid pressure transmission pill
07/29/2010US20100186955 Method of well cementing
07/29/2010CA2750602A1 Process for hydrate inhibitor regeneration
07/29/2010CA2750454A1 Fluid loss additive and breaking agent
07/29/2010CA2750256A1 A method and system using zeta potential altering compositions as aggregating reagents for sand control
07/28/2010EP2209868A1 High temperature aqueous-based zirconium fracturing fluid and use
07/28/2010CN101790571A Invert emulsion fluid systems comprising an emulsified aqueous phase comprising dispersed integral latex particles
07/28/2010CN101787864A Method for plugging water from oil reservoir fractured water logging oil well developed by injecting water into low-permeable reservoir stratum
07/28/2010CN101787270A Low-density ceramic proppant and preparation method thereof
07/28/2010CN101787269A Low-injury sandstone acid used for acidification technology of oil well
07/28/2010CN101787268A Gel profile control agent for delaying generation of precipitation granules and preparation method thereof
07/28/2010CN101787267A Double-modified starch fluid loss additive used for oil and gas field drilling fluid and preparation method thereof
07/28/2010CN101787266A Method for preparing non-fluorescence lubricant for water-base drilling fluid
07/28/2010CN101787265A Non-fluorescence lubricant for water-base drilling fluid
07/28/2010CN101591527B High temperature resistant anti-sloughing filtrate reducer for drilling fluid and preparation method thereof
07/28/2010CN101338185B Oil-soluble drag reducer
07/28/2010CN101260292B Coagulated cake forming agent and its preparing process and usage
07/28/2010CN101255127B Synthesis of aliphatic alcohol polyoxyethylene sulfonate and complex formulation used for tertiary oil recovery displacement agent
07/27/2010US7763572 Compositions comprising quaternary material and sorel cements
07/27/2010US7763570 Drilling fluid additive containing syrups
07/27/2010US7762357 Dual gradient drilling method and apparatus with an adjustable centrifuge
07/27/2010US7762332 Method of using water-superabsorbent polymer in production tubing and pipes
07/27/2010US7762329 introducing into well bore hydrophobic well bore servicing composition comprising liquid hardenable resin, hardening agent, and weighting material selected to impart desired density to well bore servicing composition, allowing liquid hardenable resin to at least partially harden to form well bore plug
07/22/2010WO2010083093A2 Cleaning agents for wellbore cleaning and methods of use thereof
07/22/2010WO2010082168A1 Breaking the rheology of a wellbore fluid by creating phase separation
07/22/2010WO2010082167A1 Filled systems from biphasic fluids
07/22/2010WO2010082165A1 Using a biphasic solution as a recyclable coiled tubing cleanout fluid
07/22/2010WO2010082164A2 Polymeric microspheres as degradable fluid loss additives in oilfield applications
07/22/2010WO2010082158A1 Stabilizing biphasic concentrates through the addition of small amounts of high molecular weight polyelectrolytes
07/22/2010WO2010082030A2 Methods of designing treatment fluids based on solid-fluid interactions
07/22/2010WO2010081944A1 Copolymer for inhibiting inorganic deposits
07/22/2010WO2010053904A3 Non-aqueous breaker fluids and methods of use thereof
07/22/2010US20100184631 Provision of viscous compositions below ground
07/22/2010US20100184630 Breaking the rheology of a wellbore fluid by creating phase separation
07/22/2010US20100181073 Method For Controlling Loss of Drilling Fluid
07/22/2010US20100181065 Fluid Loss Additive and Breaking Agent
07/22/2010CA2749900A1 Copolymer for inhibiting inorganic deposits
07/22/2010CA2749844A1 Oil-based wellbore cleaning fluids and methods of using same
07/22/2010CA2749705A1 Polymeric microspheres as degradable fluid loss additives in oilfield applications
07/22/2010CA2749019A1 Methods of designing treatment fluids based on solid-fluid interactions
07/21/2010EP2208826A1 Method of preparing air foam stabilizing liquid and method of air foam drilling work
07/21/2010EP2207862A1 Drilling composition, process for its preparation, and applications thereof
07/21/2010CN101781767A Preparation method of solid corrosion-inhibition scale-inhibition bar used for oil field
07/21/2010CN101781554A Low density mesh bag coating petroleum fracturing propping agent and preparation method thereof
07/21/2010CN101781553A Active fracturing reagent for softening coal rock
07/21/2010CN101781552A Bio-enzyme gel breaker and technique for water-based guargum fracturing gel breaking with the same
07/21/2010CN101781551A Bio-enzyme well completion fluid
07/21/2010CN101781386A Method for preparing amphiphilic macromolecule oil-displacing agent
07/21/2010CN101780381A N-alkylasparagine surfactant and preparation method thereof
07/21/2010CN101779654A Attapulgite oil-extracting and water-injecting sterilizing algicide for oil field
07/21/2010CN101586023B High-strength pre-crosslinked gel sealing agent for drilling well and preparation method thereof
07/21/2010CN101314671B Temperature control liquid expanded rubber and preparation method thereof
07/21/2010CN101270278B Netted sand prevention material
07/20/2010US7759292 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation
07/20/2010US7757766 Treating a well bore penetrating a subterranean formation comprising combining components water and a density-matched suspension to prepare a treatment fluid; the density-matched suspension comprises a suspending liquid and a solid particle suspended in the suspending liquid; nonsettling
07/20/2010CA2610766C Clean-up additive for viscoelastic surfactant based fluids
07/20/2010CA2580304C Curable resin coated low apparent specific gravity beads and method of using the same
07/20/2010CA2528014C Shale inhibition additive for oil/gas down hole fluids and methods for making and using same
07/15/2010WO2010080657A1 Hydrocarbon recovery process
07/15/2010WO2010080473A1 Method of contacting hydrocarbon-bearing formations with fluorinated ether compositions
07/15/2010WO2010080353A2 Method of contacting hydrocarbon-bearing formations with fluorinated phosphate and phosphonate compositions
07/15/2010WO2010045248A3 Chrome free water-based wellbore fluid
07/15/2010WO2009071876A8 Process for consolidating sand
07/15/2010US20100179077 Coating composition for proppant and the method of making the same
07/15/2010US20100179076 Filled Systems From Biphasic Fluids
07/15/2010US20100175924 Apparatus and method for improvements in wellbore drilling
07/15/2010US20100175896 Catalytic oil recovery
07/15/2010DE202010003894U1 Lösungsmittelzusammensetzung Solvent composition
07/15/2010CA2748872A1 Hydrocarbon recovery process
07/15/2010CA2688763A1 In situ combustion as adjacent formation heat source
07/14/2010EP2206761A1 Electrically and/or magnetically active coated fibres for wellbore operations
07/14/2010EP2205826A2 Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants
07/14/2010EP1680477B1 Phospholipid lubricating agents in aqueous based drilling fluids
07/14/2010CN101778949A biological enhancement of hydrocarbon extraction
07/14/2010CN101775276A Medium-temperature and high-temperature clean fracturing fluid and preparation method thereof
07/14/2010CN101775275A Novel viscoelastic particle oil displacement agent and preparation method thereof
07/14/2010CN101775274A Cement-formation filtration control agent
07/14/2010CN101775273A High-temperature resistance base fluid for well cementing of oil gas well, preparation method and application thereof
07/14/2010CN101775272A Cationic polymer coating agent for water-base drilling fluid and preparation method thereof
07/14/2010CN101774800A Ceramic particle containing hard carbide and production method thereof
07/14/2010CA2649689A1 Drilling fluid for enhanced rate of penetration
07/13/2010US7754794 Methods of treating keratin based substrates
07/13/2010US7754661 Water-in-oil emulsions; lime/fatty acids deactivate emulsifiers; centrifugation
07/13/2010US7754660 contacting an alcohol solution of a zirconium complex (tetraiospropoxyzirconium) with an alkanolamine ( tripropanolamine), then with an alpha -hydroxycarboxylic acid (lactic) to produce a solution of zirconium-alkanolamine-hydroxycarboxylic acid complex, suitable for crosslinking in hydraulic fructuring
07/13/2010US7754659 A composite proppant having a proppant substrate such as a porous ceramic or silica sand having magnetite magnetic particles attached to the outer surface of the proppant using a hot melt thermoplastic polymeric adhesive coating on the proppant substrate; treating a subterranean formation
07/13/2010US7754658 Usding mixture of acid and crosslinked oxidized xanthan gum for penetration of well bore
07/13/2010US7754657 injecting a volume of a formualtion comprising at least one C4-C30 olefin or hydrocarbon oxidates and kerosene or an aromatic solvent containing (benzene, toluene, xylene), circulating the formulation in the well bore, well head and down hole equipment to remove asphaltene deposit form hydrocarbon fluid
07/13/2010CA2382980C Cementing compositions comprising particulate material and reinforcing particles
07/08/2010WO2010078524A2 Ceramic article and process for making the same
07/08/2010WO2010076745A1 Surface-modifying agents for wettability modification
07/08/2010WO2010076744A1 System, method, and treatment fluid for controlling fines migration
07/08/2010WO2010076291A1 Coated particles of a chelating agent
07/08/2010US20100173806 Extraction of hydrocarbons from hydrocarbon-containing materials
07/08/2010US20100173805 Use of wax in oil-based drilling fluid