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Southeastern Oklahoma and Northern Arkansas

By
Martin W. Schramm, JR.
Martin W. Schramm, JR.
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William M. Caplan
William M. Caplan
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Published:
January 01, 1971

Abstract

Southeastern Oklahoma and northern Arkansas (Fig. 41) include an area of approximately 21.0 sq mi (54,390 sq km); the thickness of sedimentary rock ranges from 3,000 to 30.0 ft (914 to 9,144 m). Of the area considered, 9,000 sq mi (23,310 sq km) is in the Arkoma basin, 7,000 sq mi (18,130 sq km) is in the Boston Mountains of the southernmost Ozark region, and 5,000 sq mi (12,950 sq km) is in the frontal belt of the Ouachita Mountains. The average thickness of strata is roughly 2.6 mi (4.2 km) and the gross volume of rock is about 55,000 cu mi (229,180 cu km), of which 50,000 cu mi (208,350 cu km) is at depths of less than 20,000 ft (6,096 m; Tulsa Geol. Soc., 1951). Most of this rock fills the Arkoma basin.

The region is essentially a nonassociated dry gas province. Several giant gas fields now produce from Lower Pennsylvanian sandstone beds in the Arkoma basin. The future potential of the area lies in (1) continued exploration and development of stratigraphic traps in Lower Pennsylvanian sandstone, which should provide significant "probable" gas reserves, and (2) exploration of the relatively unexplored, deeper Lower Devonian—Silurian and Ordovician strata, in which the geology is radically different from that of the younger rocks, and in which substantial “possible” or “speculative” reserves should be found.

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Contents

AAPG Memoir

Future Petroleum Provinces of the United States—Their Geology and Potential, Volumes 1 & 2

Ira H. Cram
Ira H. Cram
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American Association of Petroleum Geologists
Volume
15
ISBN electronic:
9781629812236
Publication date:
January 01, 1971

GeoRef

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