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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 44 (1960)

Issue: 10. (October)

First Page: 1682

Last Page: 1691

Title: Petroleum Resources in Basement Rocks

Author(s): Kenneth K. Landes (2), J. J. Amoruso (2), L. J. Charlesworth, Jr. (2), F. Heany (2), P. J. Lesperance (2)


About 100 million barrels of oil has been produced so far from basement rocks in Venezuela, California, Kansas, and Morocco. Initial productions have been as high as 17,000 barrels per day. The reservoir in most places is fractured metamorphic and igneous rock. Trapping can be either anticlinal or due to varying permeability. All known basement rock accumulations occur where the basement rock is at a higher elevation than the surrounding flanking sediments. The sedimentary veneer overlying the basement rock may or may not contain oil accumulations. Most basement rock petroleum deposits have been found by accident; the probable reserve in these rocks is of such magnitude that discovery by design should become the rule.

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