Backtracking to Parent Maceral from Produced Bitumen with Raman Spectroscopy

• Type: Article in International Scientific Journal
• Date: 2020

Authors

Khatibi, S (Author) Other; Abarghani, A (Author) Other; Liu, KQ (Author) Other; Guedes, A (Author) FCUP; B. Valentim (Author) FCUP; Ostadhassan, M (Author) Other

Journal

Title: Minerals

Vol. 10

Pages: 1-19

Publisher: MDPI

Indexing

ISI Web of Knowledge - 5 Citations

Scopus - 7 Citations

Other information

Authenticus ID: P-00S-J3W

DOI: 10.3390/min10080679

Abstract (EN): In order to assess a source rock for economical exploitation purposes, many parameters should be considered; regarding the geochemical aspects, the most important ones are the amount of organic matter (OM) and its quality. Quality refers to the thermal maturity level and the type of OM from which it was formed. The origin of the OM affects the ability of the deposited OM between sediments to generate oil, gas, or both with particular potential after going through thermal maturation. Vitrinite reflectance and programmed pyrolysis (for instance, Rock-Eval) are common methods for evaluating the thermal maturity of the OM and its potential to generate petroleum, but they do not provide us with answers to what extent solid bitumen is oil-prone or gas-prone, as they are bulk geochemical methods. In the present study, Raman spectroscopy (RS), as a powerful tool for studying carbonaceous materials and organic matter, was conducted on shale and coal samples and their individual macerals to show the potential of this technique in kerogen typing and to reveal the parent maceral of the examined bitumen. The proposed methodology, by exhibiting the chemical structure of different organic matters as a major secondary product in unconventional reservoirs, can also detect the behavior of solid bitumen and its hydrocarbon production potential for more accurate petroleum system evaluation.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 19