104354 ⎘
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Compositions for stimulating production by acting on the underground formation; Compositions based on water or polar solvents containing organic compounds
In situ heat treatment from multiple layers of a tar sands formation
#302Method of using ionic liquids to inhibit or prevent the swelling of clay
#303Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove scale from wellbore tubulars or subsurface equipment
#304Methods for stimulating oil or gas production using a viscosified aqueous fluid with a chelating agent to remove calcium carbonate and similar materials from the matrix of a formation or a proppant pack
#305Sandstone having a modified wettability and a method for modifying the surface energy of sandstone
#306Saponified fatty acids as viscosity modifiers for viscoelastic surfactant-gelled fluids
#307Method and apparatus to enhance hydrocarbon production from wells
#308Nano-sized particles for stabilizing viscoelastic surfactant fluids
#309Oxidized guar for oilfield servicing fluids
#310Chemical amendments for the stimulation of biogenic gas generation in deposits of carbonaceous material
#311Diverting compositions, fluid loss control pills, and breakers thereof
#312SANDSTONE HAVING A MODIFIED WETTABILITY AND A METHOD FOR MODIFYING THE SURFACE ENERGY OF SANDSTONE
#313Method for Stimulating a Petroleum Well
#314Quaternary ammonium salts as thickening agents for aqueous systems
#315Composition comprising a fully dissolved non-HF fluoride source and method for treating a subterranean formation
#316Water-based polymers for use as friction reducers in aqueous treatment fluids
#317Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations
#318Methods of fracturing formations using quaternary amine salts as viscosifiers
#319Method for reducing the viscosity of viscous fluids
#320Fluid system having controllable reversible viscosity
#321Methods of treating subterranean formations with heteropolysaccharides based fluids
#322Method using particulate chelates to stimulate production of petroleum in carbonate formations
#323Subterranean treatment fluids comprising polyoxazoline compositions and methods of use in subterranean formations
#324Method for stimulating a petroleum well
#325Compositions and methods for treating a subterranean formation
#326Hydraulic fracturing using non-ionic surfactant gelling agent
#327Methods of treating subterranean zones and treating fluids therefor