How to flood a tight sand with wide permeability variations

Conference · Mon Jan 01 04:00:00 EST 1968 · Soc. Pet. Eng. AIME, Pap.; (United States)

OSTI ID:6093254

Sloat, B; Brown, M

By any of the standard yardsticks, the MHHA project, Greenwood County, Kans., should be a marginal waterflood: water saturations are high, oil in place is low, the reservoir is small, and the permeability is only about 1/10 of that normally found. Primary recovery for the Bartlesville sand was also poor. Although data for all the projects are not available, of the 12 studied, 6 produced only 20 bbl/acre-ft ahead of a producing WOR (field wide) of 2.0. The MHHA project is still producing at a WOR of less than 2, and so far has recovered 58 bbl/acre-ft. Secondary recovery as a percent of primary is now higher than on the other projects. Average total recovery from the Bartlesville has been 260 bbl/acre-ft, or 32.5% of the original oil in place. Projected ultimate recovery for the MHHA unit is 255 bbl/acre-ft, of the original or 40% oil in place. (18 refs.)

• Research Organization: Calgon Corp; Shallow Water Refining Co
• OSTI ID: 6093254
• Report Number(s): CONF-680681-
• Conference Information: Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE-2129
• Country of Publication: United States
• Language: English

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