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  1. Effects of interface conductivity on electric logging in Western gas sands : literature review

    Jennings, J. B. (James Bernard), 1936-
    Bartlesville, Okla. : Dept. of Energy, Bartlesville Energy Technology Center ; [Springfield, Va. : for sale by the National Technical Information Service], 1979.

  2. Electric logging and electrical properties of rocks in Rainier Mesa area, Nevada Test Site, Nevada [microform]

    Carroll, Roger D.
    [Denver, Colo.?] : U.S. Dept. of the Interior, Geological Survey, 1990.

  3. Multi-rate flowing Wellbore electric conductivity logging method [electronic resource].

    Washington, D.C. : United States. Dept. of Energy. Office of Basic Energy Sciences ; Oak Ridge, Tenn. : distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2003

    The flowing wellbore electric conductivity logging method involves the replacement of wellbore water by de-ionized or constant-salinity water, followed by constant pumping with rate Q, during which a series of fluid electric conductivity logs are taken. The logs can be analyzed to identify depth locations of inflow, and evaluate the transmissivity and electric conductivity (salinity) of the fluid at each inflow point. The present paper proposes the use of the method with two or more pumping rates. In particular it is recommended that the method be applied three times with pumping rates Q, Q /2, and 2Q. Then a combined analysis of the multi-rate data allows an efficient means of determining transmissivity and salinity values of all inflow points along a well with a confidence measure, as well as their inherent or far-field pressure heads. The method is illustrated by a practical example.

    Online OSTI

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