| 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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| 05/14/2013 | US8439108 Application of degradable polymers in sand control |
| 05/14/2013 | CA2692794C Methods and compositions for preventing high density well completion fluid loss |
| 05/14/2013 | CA2656205C Rheology controlled heterogeneous particle placement in hydraulic fracturing |
| 05/14/2013 | CA2599211C Use of water-soluble alkane sulfonic acids for increasing the permeability of underground petroliferous and/or gas-bearing carbonate rock formations and for dissolving carbonate contaminants and/or contaminants containing carbonates during petroleum production |
| 05/14/2013 | CA2593310C Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixture |
| 05/11/2013 | CA2793339A1 Metallic particle induced saponification of fatty acids as breakers for viscoelastic surfactant-gelled fluids |
| 05/10/2013 | WO2013066552A2 Polymer-enhanced surfactant flooding for permeable carbonates |
| 05/10/2013 | WO2013066515A1 Nanoparticle smart tags in subterranean applications |
| 05/10/2013 | WO2013066419A1 Alkaline persulfate for low-temperature breaking of multi-chain polymer viscosified fluid |
| 05/10/2013 | WO2013064823A1 Process for treating an underground formation |
| 05/10/2013 | WO2013064650A1 Solid formulations suitable for oilfield applications |
| 05/10/2013 | WO2013040427A3 Methods of using oleaginous fluids for completion operations |
| 05/10/2013 | WO2013040313A3 Method of manufacture of guerbet alcohols for making surfactants used in petroleum industry operations |
| 05/10/2013 | WO2013033086A3 Method and composition to reduce gel viscosity in the intermediate temperature range |
| 05/10/2013 | WO2013016669A3 Active equivalent circulating density control with real-time data connection |
| 05/10/2013 | WO2012038699A3 Magnetically controlled delivery of subterranean fluid additives for use in subterranean applications |
| 05/10/2013 | CA2853744A1 Process for treating an underground formation |
| 05/10/2013 | CA2851237A1 Nanoparticle smart tags in subterranean applications |
| 05/10/2013 | CA2849483A1 Polymer-enhanced surfactant flooding for permeable carbonates |
| 05/10/2013 | CA2794291A1 Swellable material using soy spent flakes |
| 05/09/2013 | US20130116156 Chemical seal ring composition and method of using |
| 05/09/2013 | US20130116155 Anticorrosive composition based on chloride ions |
| 05/09/2013 | US20130112908 Fluorophosphate surfactants |
| 05/09/2013 | US20130112429 Enhanced electrolytic degradation of controlled electrolytic material |
| 05/09/2013 | US20130112418 Composition and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112417 Compositions and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112416 Compositions and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112415 Compositions and Methods for Protecting Metal Surfaces from Corrosion |
| 05/09/2013 | US20130112414 Engineered Methods and Materials for Wellbore Strengthening in Subterranean Operations |
| 05/09/2013 | US20130112413 Controlled Release Breaker Composition for Oil Field Applications |
| 05/09/2013 | US20130112409 Proppant particulates and methods of using such particulates in subterranean applications |
| 05/09/2013 | US20130112405 Consolidating Spacer Fluids and Methods of Use |
| 05/08/2013 | EP2589640A1 Foamed gel systems for fracturing subterranean formations, and methods for making and using same |
| 05/08/2013 | EP2589639A1 Solid formulations suitable for oilfield applications |
| 05/08/2013 | EP2588714A2 High solids content slurries and methods |
| 05/08/2013 | EP2588586A1 Compatible mixtures of anionic and cationic surfactants |
| 05/08/2013 | EP2588561A1 Methods relating to improved stimulation treatments and strengthening fractures in subterranean formations |
| 05/08/2013 | EP2588560A1 Flat rheology wellbore fluid |
| 05/08/2013 | EP2588559A1 Multifunctional boronic crosslinkers and associated methods |
| 05/08/2013 | EP2588558A1 Surfactant additives used to retain producibility while drilling |
| 05/08/2013 | EP2588557A2 Breaker and displacement fluid |
| 05/08/2013 | CN103097487A Drilling fluid composition |
| 05/08/2013 | CN103089211A Microbial enhanced oil recovery method |
| 05/08/2013 | CN103087702A Method for improving performance of fracturing fluid |
| 05/08/2013 | CN103087701A AM (Acrylic Amide)/NaAA (Sodium Acrylate)/AOC (Allyl Para Toluene Sulfonamide) ternary polymer oil-displacing agent and synthetic method thereof |
| 05/08/2013 | CN103087700A AM (Acrylic Amide)/NaAA (Sodium Acrylate)/AT (Diallyl Para Toluene Sulfonamide) ternary polymer oil-displacing agent and synthetic method thereof |
| 05/08/2013 | CN103087699A Sand-carrying profile control agent composition of fracture-cave type oil deposit and profile control method of profile control agent |
| 05/08/2013 | CN103087698A Solid foamed drainage agent for natural gas well and preparation method of solid foamed drainage agent |
| 05/08/2013 | CN103087697A Synthetic process for thick oil emulsification and viscosity reducer based on controlled reaction time |
| 05/08/2013 | CN103087696A Synthesis process of thick oil emulsifying viscosity reducer |
| 05/08/2013 | CN103087695A Method for preparing thick oil emulsifying viscosity reducer solution |
| 05/08/2013 | CN103087694A Minute soft granule oil-soluble temporary plugging agent |
| 05/08/2013 | CN103087693A Water loss reducing agent used for well cementation in deepwater at low temperature and preparation method thereof |
| 05/08/2013 | CN103087692A High-temperature resistant drilling fluid as well as preparation method and application thereof |
| 05/08/2013 | CN103087691A Polyamine strong inhibitor for drilling fluid, and preparation method thereof |
| 05/08/2013 | CN103087690A Application of aromatic amine hydrochloride serving as shale inhibitor for drilling fluid |
| 05/08/2013 | CN103087689A High temperature resistance and viscosity reduction agent for water-based drilling fluid |
| 05/08/2013 | CN103087688A Application of sclerotium rolfsii scleroglucan fermentation broth as oil field drilling fluid treatment agent |
| 05/08/2013 | CN103087687A Anti-backflow leak-stopping agent, preparation method and applications thereof |
| 05/08/2013 | CN103087535A Solid nanometer emulsified paraffin and preparation method thereof |
| 05/08/2013 | CN103087283A Synthetic process for thick oil emulsification and viscosity reducer based on sulfonation degree control |
| 05/08/2013 | CN103087202A Preparation method of polyanionic cellulose with ultrahigh viscosity for water-based drilling fluid |
| 05/08/2013 | CN103086909A Self-diverting agent for heterogeneous carbonate rock acidizing system |
| 05/08/2013 | CN103084117A Betaine surfactant and formula system thereof in tertiary oil recovery |
| 05/08/2013 | CN103081914A Oil recovery reinjection water bactericide and application thereof |
| 05/08/2013 | CN102504797B Multifunctional clean fracturing fluid |
| 05/08/2013 | CN102250597B Grouting slurry for unconsolidated strata |
| 05/08/2013 | CN102220118B Oil displacement composition and preparation method thereof |
| 05/08/2013 | CN102219714B N,N-dual fat acyl diamine diacetate dipolyoxyethylene ether bisulphonate and preparation method thereof |
| 05/08/2013 | CN102181010B Preparation method of high-temperature-resistant high-salt polymer oil-replacement agent |
| 05/08/2013 | CN101892040B Wetting agent and application thereof in binary compound flooding tertiary oil recovery |
| 05/08/2013 | CN101838527B Corrosion inhibition foaming agent for increasing yield of oil and natural gas |
| 05/08/2013 | CN101824314B Terpolymer oil soluble viscosity reducer for thick oil exploration and transportation and preparation method thereof |
| 05/08/2013 | CN101619209B New application and composition of amide sodium sulfonate as oil field additive |
| 05/08/2013 | CN101595198B Systems and methods for absorbing gases into a liquid |
| 05/08/2013 | CN101268150B Slurry compositions and methods for making same |
| 05/07/2013 | US8436072 Mixtures comprising branched oligomeric or polymeric compounds, and preparation and use thereof |
| 05/07/2013 | US8434553 Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations |
| 05/07/2013 | US8434552 Squeeze composition for restoring isolation |
| 05/02/2013 | WO2013063411A1 Slag compositions comprising latex and methods of use |
| 05/02/2013 | WO2013063077A1 Methods for producing authigenic rock mineral for altering rock hydrology |
| 05/02/2013 | WO2013062986A1 Polyurethane powder blend with redispersible polymer powder for cement compositions |
| 05/02/2013 | WO2013062782A1 Compositions and methods useful for oil extraction |
| 05/02/2013 | WO2013062750A1 Methods and compositions for sand control in injection wells |
| 05/02/2013 | WO2013062700A1 Delayed, swellable particles for prevention of fluid migration through damaged cement sheaths |
| 05/02/2013 | WO2013062696A1 Novel method for enhancing fracture conductivity |
| 05/02/2013 | WO2013060799A1 Compositions and methods for completing subterranean wells |
| 05/02/2013 | WO2013060798A1 Compositions and methods for completing subterranean wells |
| 05/02/2013 | WO2013060670A1 Method for producing mineral oil using surfactants based on a mixture of c24-guerbet-, c26-guerbet-, c28-guerbet-containing hydrocarbon alkoxylates |
| 05/02/2013 | WO2013060623A1 Method for producing mineral oil using surfactants based on a mixture of c20-guerbet-, c22-guerbet-, c24-guerbet-containing hydrocarbon alkoxylates |
| 05/02/2013 | WO2013060622A1 Method for producing mineral oil using surfactants based on a mixture of c28-guerbet-, c30-guerbet-, c32-guerbet-containing hydrocarbon alkoxylates |
| 05/02/2013 | US20130109783 Slag Compositions and Methods of Use |
| 05/02/2013 | US20130109782 Compositions and methods for improving the toughness of set cements |
| 05/02/2013 | US20130109763 Catalyst system for the preparation of an ester and processes employing this ester |
| 05/02/2013 | US20130109598 Method of Oil Extraction |
| 05/02/2013 | US20130109597 Nanoparticle Smart Tags in Subterranean Applications |
| 05/02/2013 | US20130105167 Novel Method for Enhancing Fracture Conductivity |
| 05/02/2013 | US20130105165 Hydrophobically associating copolymers |
| 05/02/2013 | US20130105163 Method of opening productive formations and a working fluid provided therefor |
| 05/02/2013 | US20130105161 Delayed, Swellable Particles for Prevention of Fluid Migration Through Damaged Cement Sheaths |