Abstract
Porosity is one of the most important rock properties that can be calculated from well log data. It gives the rock’s capacity to store oil or gas. Thus far, I have referred to porosity as the void space in the rock. A rock such as chalk may be nearly half void space, but the pores are usually so small that they cannot be seen without suitable magnification.
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References
Walter H. Fertl, “Knowing Basic Reservoir Parameters: First Step in Log Analysis,” The Oil and Gas Journal (May 22, 1978 ): 98.
W. G. Ernst, Earth Materials ( Prentice-Hall, Englewood Cliffs, N.J., 1969 ), Chapter 6.
Sylvain J. Pirson, Handbook of Well Log Analysis for Oil and Gas Formation Evaluation ( Prentice-Hall, Englewood Cliffs, N.J., 1963 ), p. 2.
Ibid., p. 3.
Ibid.
L. G. Chombart, “Well Logs in Carbonate Reservoirs,” Geophysics 25, no. 4 (1960): 779–853.
Cornelius S. Hurlbut, Jr., Dana ’s Manual of Mineralogy ( Wiley, New York, 1971 ), p. 497.
Ibid., p. 326.
Ibid.
Chombart, “Well Logs,” p. 783.
Author’s class notes from course on advanced well log interpretation presented by George R. Pickett at Colorado School of Mines, Golden, Colorado, 1976.
Tim T. Schowalter, “The Mechanics of Secondary Hydrocarbon Migration and Entrapment,” The Wyoming Geological Association Earth Science Bulletin 9, no. 4 (1976): 1–43.
Robert R. Berg, “Capillary Pressures in Stratigraphic Traps,” The American Association of Petroleum Geologists Bulletin 59, no. 6 (1975): 939–956.
Chombart, “Well Logs,” pp. 780–781.
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Etnyre, L.M. (1989). Porosity and Saturation. In: Finding Oil and Gas from Well Logs. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-5230-4_2
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DOI: https://doi.org/10.1007/978-1-4757-5230-4_2
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