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The AAPG/Datapages Combined Publications Database

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Abstract

Chapter from:
AAPG Memoir 70: Abnormal Pressures in Hydrocarbon Environments
Edited by B.E. Law, G.F. Ulmishek, and V.I. Slavin
Copyright ©1998 by The American Association of Petroleum Geologists. All rights reserved.
Memoir 70, Chapter 7: Abnormally High Formation Pressures in Petroleum Regions of Russia and Other Countries of the C.I.S., by
M.D. Belonin and V.I. Slavin, Pages 115 - 121

Chapter 7
Abnormally High Formation Pressures in Petroleum Regions of Russia and Other Countries of the C.I.S.

M.D. Belonin
V.I. Slavin1
VNIGRI
St. Petersburg, Russia
1Present Affiliation: Consulting Petroleum Geologist, Berlin, Germany


Abstract

Statistical analyses of oil and gas pools in ancient platforms (Precambrian), young platforms (post-Hercynian), and mobile belts (foreland troughs, and intermontane depressions) of the Commonwealth of Independent States (C.I.S.), do not reveal any significant differences in the relationships between commercial production and the Previous HitmagnitudeTop of overpressure. However, pressure data from all three structural provinces indicate 90% of all oil and gas pools are in reservoirs with pressure abnormality coefficients (Ac--the quotient of the measured pressure divided by the hydrostatic pressure) less than 1.8 (0.81 psi/ft, 18.7 kPa/m), suggestive of a commercially practical upper limit for productive reservoirs.

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