Abstract: A method for producing a substantially calibrated numerical model, which can be used for calculating a stress on any point in a formation, accounts for a formation's geologic history using at least one virtual formation condition to effectively “create” the present-day, virgin stress distribution that correlates, within acceptable deviation limits, to actual field stress measurement data obtained for the formation. A virtual formation condition may describe an elastic rock property (e.g., Poisson ratio, Young's modulus), a plastic rock property (e.g., friction angle, cohesion) and/or a geologic process (e.g., tectonics, erosion) considered pertinent to developing a stratigraphic model suitable for performing the desired stress analysis of the formation.

Abstract: Disclosed is an aqueous latex emulsion coating composition comprising a liquid dispersion polymer, said liquid dispersion polymer comprising a hydrophilic nonionic or anionic homopolymer or copolymer dispersed in a hydrophobic liquid carrier and containing an oil-in-water activator surfactant and wherein the liquid dispersion polymer is in the form of microparticles. The hydrophilic homopolymers or copolymers comprise for example monomer units derived from acrylic acid or acrylic acid salts. Also disclosed is an associative liquid dispersion polymer, said liquid dispersion polymer comprising a hydrophilic nonionic or anionic copolymer dispersed in a hydrophobic liquid carrier and containing an oil-in-water activator surfactant and wherein the liquid dispersion polymer is in the form of microparticles, and wherein the copolymer contains a minor amount of associative monomer units derived from ethylenically unsaturated monomers selected from the group consisting of the associative monomers.

Abstract: An ink jet recording media system is described which comprises at least one coating layer that comprises a zwitterionic polymer or oligomer. The media system exhibits excellent light fastness as well as good dry time and good image-forming properties.

Abstract: An ink jet recording media system is described which comprises at least one coating layer that comprises a zwitterionic copolymer or cooligomer, which copolymer or cooligomer comprises monomer units derived from at least one monomer selected from the group consisting of the zwitterionic monomers and at least one monomer selected from the group consisting of the hydroxy functional monomers and etherified hydroxy functional monomers. The media system exhibits fast dry times, excellent image quality, low levels of glycol smear, low color coalescence and excellent light fastness.