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Surfactant

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  1. SPECIAL REPORT: UNCONVENTIONAL GAS TECHNOLOGY—1: Advances in fracs and fluids improve tight-gas production

    Magazine Articles

    Mon, 17 Dec 2007

    to water blocking. A microemulsion surfactant (MS) has the potential vastly to increase ..... these difficult formations. The special surfactant was designed to replace methanol or ..... microemulsion technology GasPerm 1000, the surfactant helps remove water drawn into the formation

  2. Egyptian fields have large potential for enhanced oil recovery technology

    Magazine Articles

    Mon, 1 Oct 2012

    and requires a relatively small capital investment. Injection of alkali, surfactant , alkali-polymer (AP), surfactant -polymer (SP), and alkali- surfactant -polymer (ASP) have been tested in a limited number of fields. Reserves and EOR

  3. Study for offshore Mideast field proves inhibitor, sulfur solvent compatible

    Magazine Articles

    Mon, 6 Oct 2014

    indicating no detrimental effect of combining MEG and a surfactant .7 No reported data indicate the presence of water-soluble ..... CI components, brought about by the appropriately designed surfactant package of the CI. A conservative approach must therefore

  4. Novel completions increase horizontal well production

    Magazine Articles

    Mon, 6 Apr 2015

    applied to reservoirs with temperatures of 100-160° C. SDA is another novel diverting acid. A special viscoelastic surfactant controls acid-system viscosity through the physicochemical actions of acid-rock reaction products. Most viscoelastic

  5. Lime-free oil-base mud proves effective in high temperature, CO2 environments

    Magazine Articles

    Mon, 10 Sep 2001

    comprising an oleaginous liquid, an amine surfactant having the structure R-NH2, wherein ..... emulsifying agent. The emulsifier or surfactant reduces the interfacial surface tension ..... two. Addition of the emulsifier or surfactant enables the affected liquid to form a

  6. SPECIAL REPORT: Deepwater fluid displacement needs special approaches

    Magazine Articles

    Mon, 25 Sep 2006

    Displacements of OBM and SBM use solvent and surfactant chemistry as the primary cleaning agents ..... a solvent in seawater or brine and a surfactant in seawater or brine. Dispersions of ..... debris. A polishing solution of 3-10% surfactant is sufficient to remove oil-wet film

  7. UNCONVENTIONAL GAS TECHNOLOGY—2: Custom technology makes shale resources profitable

    Magazine Articles

    Mon, 24 Dec 2007

    reduce friction pressure. Microemulsion surfactant that helps reduce capillary pressure, releasing ..... capillary pressures. A unique microemulsion surfactant helps control fluid-induced fracture ..... pressure, tight formations. This surfactant helps reduce fracture-face damage

  8. Special Report: Completion Technologies: Combined miscible drive enhances Pleito Creek oil production

    Magazine Articles

    Mon, 6 Jun 2011

    containing an oxygen-compatible surfactant . Then, the pumping of pure CO 2 through the tubulars removed the surfactant film. The tubulars were then ready ..... skid where an oxygen-compatible surfactant is added. The water is then pumped

  9. Rex presses Illinois basin EOR pilots, Delta expansion

    Magazine Articles

    Mon, 10 Sep 2012

    recovered 15-20% of OOIP at two surfactant -polymer floods in the 1970s-80s ..... sandstones. Rex commenced alkali- surfactant polymer flooding on the 58-acre Perkins ..... oil recovery performance of the 1980s surfactant -polymer floods. Core flood work continues

  10. Rex presses Illinois basin EOR pilots, Delta expansion

    Online Articles

    Fri, 24 Aug 2012

    recovered 15-20% of OOIP at two surfactant -polymer floods in the 1970s-80s ..... sandstones. Rex commenced alkali- surfactant polymer flooding on the 58-acre Perkins ..... oil recovery performance of the 1980s surfactant -polymer floods. Core flood work continues

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