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Surfactant

Surfactant news and technical articles from Oil & Gas Journal. Search Surfactant latest and archived news and articles

  1. Surfactant boosts polymer EOR effectiveness at Daqing

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    Mon, 5 Jun 2006

    laboratory tests show that including surfactant treatments can lengthen the polymer injection ..... solve this problem, Daqing started surfactant injection to decrease the injection ..... in 106 polymer injection wells. The surfactant increased the effective injectivity

  2. New technology customizes surfactant -spacer fluids

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    Mon, 11 Oct 1999

    volume ratio of concern, then adjust the surfactant package accordingly to rectify the problem ..... the previously designed Package 4 base surfactant system in Spacer 1, the technician ..... Spacer 2), containing an additional surfactant , solved the compatibility problem

  1. WETTABILITY--1: New test procedures optimize surfactant blends

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    Mon, 4 Oct 1999

    cement operations, has helped reduce surfactant costs by as much as 50% while minimizing ..... basis for comparing various spacer- surfactant systems used to determine which surfactants ..... or oil film remain on the rod, the surfactant package is not sufficiently water

  2. Illinois basin ASP flooding planned

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    Mon, 11 Feb 2008

    notes that the alkali (1-2%) and surfactant (0.1-0.4%) combination washes ..... efficiency. The alkali is less costly than surfactant ; and therefore, using ASP reduces ..... with earlier field pilots that used surfactant and polymer without the alkali. Hulburt

  3. Illinois

    Article

    Fri, 4 Jun 2010

    editors HOUSTON, June 4 – Rex Energy Corp., State College, Pa., reported encouragement from a single-well alkaline surfactant polymer test in the Middagh Unit in Lawrence field in Illinois. The test consisted of a chemical tracer to validate the chemical

  4. FOAM DIVERTS CYCLIC STEAM FROM THEFT ZONE IN VENEZUELAN TEST

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    Mon, 29 Mar 1993

    In a recent test, a foaming surfactant diverted steam into the upper oil ..... upper pay zone. In this test, the surfactant -Chevron Chemical Co.'s Chaser ..... according to Chevron, in which the surfactant generated strong foam in a reservoir

  5. Venezuela's Pdvsa struggling to meet Orimulsion goals

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    Mon, 5 Jan 1998

    income for state petroleum company Petroleos de Venezuela SA (Pdvsa). But the new fuel-made from bitumen, water, and a surfactant -took a heavy beating in recent months when two major orders in the U.K. and the U.S. were either canceled or delayed

  6. PDVSA FACES ORIMULSION CUTS

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    Mon, 18 Nov 1991

    5 billion program to develop Orimulsion, Pdvsa's boiler fuel that is an emulsion of extra heavy crude, water, and a surfactant . The extent of the cut is undisclosed, but presumably planned expansion beyond volumes needed to cover firm contracts with

  7. News Pdvsa unit lands biggest Asian supply contract for Orimulsion

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    Mon, 12 Feb 1996

    Orimulsion to Taiwan, matching its biggest sale to date. Orimulsion is an emulsion of extra heavy crude oil, water, and a surfactant that is designed to back out coal as a low cost, environmentally preferred boiler fuel. Bitor is a subsidiary of state owned

  8. Research seeks new chemical methods to improve CO 2 floods

    Article

    Mon, 2 Apr 2012

    Norwegian North Sea alternating injection of surfactant slugs and hydrocarbon gas slugs has boosted ..... used for mobility control. That leaves surfactant -alternating-with-gas (SAG) as ..... soluble surfactants, which ensure that surfactant appears and foam forms only where CO2