specific productivity index

specific productivity index

[spə′sif·ik ‚präd·ək′tiv·əd·ē ‚in‚deks]
(petroleum engineering)
Barrels per day of oil produced per pound decline in bottom-hole pressure per foot of effective reservoir thickness.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.