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Potential Oil Recovery by Waterflooding Reservoirs Being Produced by Primary Methods.
MISSING :53 pages
This report presents information pertaining to resource, primary reserve, and potential waterflood reserve for 3,209 selected reservoirs contained in 24 oil-producing states, as of January 1, 1968. To that date the selected reservoirs had not been subjected to pressure-maintenance or secondary-recovery operations. These reservoirs also met the following parameters: (1) a minimum of five oil-producing wells on January 1, 1968, (2) a minimum of 50 acres areal extent, (3) a minimum of 50,000 bbl of oil ultimate primary recovery, and (4) the principal reservoir energy was other than active water encroachment. The selected 3,209 reservoirs produced 527 million bbl of oil in 1967, and about 17 pct of U.S. total production. Primary oil reserve was 4,983 million stb; in addition, there was 6,043 million stb of potential waterflood oil reserve. Oil resource in the selected reservoirs was 59,547 million stb. A brief history and outlook of waterflooding are presented for each state. Depth and producing rate statistics and geologic distributions of production, resource, reserve, and potential waterflood reserve for the selected reservoirs are presented by states in the appendix. Also included in the appendix are description, history, and technique modifications of waterflood, and a preliminary cost estimate of a closed-system water-injection project. (Out of print.)
IH; Information Circular;
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division