Horizontal drilling boosts Devonian gas flow
Journal Article
·
· Oil and Gas Journal; (United States)
OSTI ID:6091271
A successful horizontal well in eastern Kentucky's Big Sandy field underscores that technology's potential for economically exploiting the huge gas resource of U.S. eastern Devonian shales. Columbia Natural Resources Inc. (CNR) and Columbia Gas System Service Corp. (CGSS) 21747 Pocahontas Development Corp. in Martin County, Ky., flowed a combined 3.1 MMcfd of gas from six zones in Devonian Lower Huron shale. Its reserves are estimated at 1.5 bcf. That compares with productive capacity and reserves of nearby Devonian shale wells typically pegged at 10-50 Mcfd and 290 MMcf, respectively. The well was drilled to 6,263 ft measured depth (MD) with 2,872 ft of displacement. True vertical depth (TVD) is 3,754 ft.
- OSTI ID:
- 6091271
- Journal Information:
- Oil and Gas Journal; (United States), Journal Name: Oil and Gas Journal; (United States) Vol. 89:23; ISSN OIGJA; ISSN 0030-1388
- Country of Publication:
- United States
- Language:
- English
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