Bibliographic Citation
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Title | Undiscovered recoverable natural gas in Pennsylvania - estimates and projections |
Creator/Author | Briggs, R.P. ; Tatlock, D.B. |
Publication Date | 1984 Dec 01 |
OSTI Identifier | OSTI ID: 5895614 |
Report Number(s) | CONF-8410269- |
Other Number(s) | CODEN: AAPGB |
Resource Type | Conference |
Specific Type | Journal Article |
Resource Relation | Am. Assoc. Pet. Geol., Bull. ; Vol/Issue: 68:12; AAPG Eastern Section meeting; 10 Oct 1984; Pittsburgh, PA, USA |
Research Org | Geomega, Inc., Pittsburgh, PA |
Subject | 030100 -- Natural Gas-- Reserves-- (-1989); NATURAL GAS-- CLASSIFICATION;NATURAL GAS-- RESERVES;PENNSYLVANIA-- NATURAL GAS DEPOSITS; RESERVOIR ROCK |
Related Subject | ENERGY SOURCES;FEDERAL REGION III;FLUIDS;FOSSIL FUELS;FUEL GAS;FUELS;GAS FUELS;GASES;GEOLOGIC DEPOSITS;MINERAL RESOURCES;NORTH AMERICA;RESOURCES;USA |
Description/Abstract | The total of probable, possible, and speculative resources of undiscovered recoverable natural gas from conventional reservoirs in Pennsylvania is estimated to be approximately 8.5 tcf.^The total undiscovered and potentially recoverable gas resource in unconventional reservoirs may be about 11.1 tcf.^Conventional natural gas resources were estimated in five general stratigraphic packages, using differing approaches made necessary by the variable character and density of the data available, conditioned by time considerations.^These packages and their total of probable, possible, and speculative resources are: Mississippian and Upper Devonian sands, 3.6 tcf; Onondaga/Oriskany and related reservoirs, 1.5 tcf; Lower Silurian Medina Sandstones, 1.8 tcf; Silurian Tuscarora and Cambrian-Ordovician formations, 0.7 tcf; Eastern Overthrust belt, 0.9 tcf.^Unconventional resources are: natural gas in coal beds, 2.7 tcf; Devonian shale gas, 8.4 tcf.^General subdivisions of the estimated conventional resources are 31% probable, 40% possible, and 29% speculative.^In contrast, subdivisions of estimated unconventional resources are 11, 24, and 65%, respectively.^Short-term projections demonstrate that production of natural gas in Pennsylvania can be doubled without stress and maintained at that level for several years.^Much beyond 10 years, however, projections become speculations. |
Country of Publication | United States |
Language | English |
Format | Pages: 1916 |
System Entry Date | 2001 May 13 |
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