Organic Petrology in the Study of Dispersed Organic Matter
- Authors: Deolinda Flores1, Isabel Suárez-Ruiz2
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View Affiliations Hide Affiliations1 Instituto de Ciências da Terra, Polo da Universidade do Porto and Departamento de Geociências, Ambiente e Ordenamento do Território. Faculdade de Ciências da Universidade do Porto. Rua do Campo Alegre, 687, 4169 007 Porto, Portugal. 2 Instituto Nacional del Carbón, (INCAR-CSIC). Francisco Pintado Fe 26, 33011 - Oviedo, Spain
- Source: The Role of Organic Petrology in the Exploration of Conventional and Unconventional Hydrocarbon Systems , pp 34-76
- Publication Date: March 2017
- Language: English
Organic Petrology in the Study of Dispersed Organic Matter, Page 1 of 1
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The dispersed organic matter (DOM) in sedimentary sequences derives from biological precursors and experiences changes during burial in sedimentary basins over millions of years. Organic petrology is an essential tool in the study of DOM due to its importance in exploration for fossil fuel resources, although organic matter represents the lowest amount fraction in sedimentary rocks. The study of the type and amount of organic matter, as well as the source and depositional environment define the organic facies and type of kerogen for establishing the hydrocarbon source potential of rocks during the exploration for both conventional and unconventional hydrocarbon resources. Furthermore, optical parameters have been established to determine the organic maturity and therefore, the paleotemperature history of sedimentary sequences, as organic matter is the most temperature-sensitive constituent present in sedimentary rocks.
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