Abstract
The Petroleum Geology Reference System (PGREF) is a relational data base that contains more than 3300 citations representing reports, abstracts, and maps published between 1972 and the present by the Branch of Petroleum Geology, US Geological Survey (USGS). (Use of trade names is for descriptive purposes only and does not imply endorsement by the USGS.) PGREF is very specialized, easy to use, and useful for a wide variety of petroleum research and exploration applications. The data base represents the scope of research in the branch, including studies about source rocks, reservoir rocks, enhanced oil recovery, and unconventional oil and gas resources; organic geochemistry; stratigraphy; petrology; seismic interpretation of US basins; and resource assessment. System benefits include (1) publication or report-ready references; (2) online tracking of manuscripts during the approval and editing process; (3) ability to search for citations by subject and geographic location of subject; and (4) compilation and maintenance of references by year(s), author(s), and subject(s).
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