Three-phase relative permeability measurements using the centrifuge method

Conference · Fri Jan 01 04:00:00 EST 1982 · Soc. Pet. Eng. AIME, Pap.; (United States)

OSTI ID:6275637

Van Spronsen, E

The centrifuge method for two-phase relative permeability measurements has been extended for use with three mobile phases. The oil and water production obtained from a sample rotated in an air-filled sample holder straightforwardly yields the three-phase oil and water (drainage relative permeabilities along a trajectory in the saturation ternary diagram. The criteria for reliable measurements are discussed. It is shown that these experimental requirements are similar to those for the two-phase case. The extended centrifuge technique has been used for measuring the three-phase oil and water relative permeabilities on Weeks Island and Berea samples. The results of these experiments show that the shape of the oil isoperms in the saturation ternary diagram is concave when viewed from the oil apex. The shape implies a more favorable recovery for immiscible gas (CO/sub 2/) injection into the Weeks Island B Sand than predicted on the basis of the convex oil isoperms calculated with the models of Stone or Hirasaki.

• OSTI ID: 6275637
• Report Number(s): CONF-820419-
• Conference Information: Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States)
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
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MEASURING METHODS
MISCIBLE-PHASE DISPLACEMENT
OIL WELLS
PERMEABILITY
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SEDIMENTARY ROCKS
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