Deep gas play probed along Rough Creek graben in Kentucky part of southern Illinois basin

Journal Article · Mon Sep 21 00:00:00 EDT 1992 · Oil and Gas Journal; (United States)

OSTI ID:7006839

Goetz, L S; Tyler, J G; Maearevich, R L; Brewster, D; Sonnad, J ^[1]

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1. Conoco Inc., Oklahoma City, OK (US)

This paper reports that Conoco Inc. is drilling one of the deepest rank wildcats ever in the southern Illinois basin. The Conoco 1 Turner at Carter Coordinates 21-M-29, is being drilled by Helmerich and Payne International Drilling Co. Rig No. 79 near the town of Livermore. The well will test the up-dip end of a large tilted basement horst block located in McLean County, Ky. The well is permitted to 14,800 ft and will test the Precambrian( )-Cambrian carbonates and clastics infilling the Rough Creek graben, the deep precursor of the Paleozoic Illinois basin. Only seven other tests have been drilled deeply enough to penetrate the top of this sequence in the 7.5 million acre area of the graben. The Rough Creek graben (RCG) is a part of a major Precambrian cratonic transform fault system that forms the southern edge of the Illinois basin and the northern terminus of the Reelfoot rift (Mississippi embayment). Recurrent motion along faults located in southeastern Missouri, southern Illinois, and northwestern Kentucky has produced a very complicated and deep graben with more than 25,000 ft of intriguing stratigraphy.

• OSTI ID: 7006839
• Journal Information: Oil and Gas Journal; (United States), Vol. 90:38; ISSN 0030-1388
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
02 PETROLEUM
ILLINOIS
NATURAL GAS FIELDS
STRATIGRAPHY
OIL FIELDS
WELL DRILLING
DEVELOPED COUNTRIES
DRILLING
GEOLOGIC DEPOSITS
GEOLOGY
MINERAL RESOURCES
NATURAL GAS DEPOSITS
NORTH AMERICA
PETROLEUM DEPOSITS
RESOURCES
USA
030200* - Natural Gas- Reserves
Geology
& Exploration
020200 - Petroleum- Reserves
Geology
& Exploration