Haitao Xue
Calculation and controlled factors of hydrocarbon expulsion efficiency using corrected pyrolysis parameters: A Songliao case study
Xue, Haitao; Dong, Zhentao; Tian, Shansi; Lu, Shuangfang; Greenwell, Hugh Christopher; Luo, Peng; Zhang, Wenhua; Lu, Shudong; Wang, Min; Ma, Wei; Wang, Yifeng
Authors
Zhentao Dong
Shansi Tian
Shuangfang Lu
Professor Chris Greenwell chris.greenwell@durham.ac.uk
Professor
Peng Luo
Wenhua Zhang
Shudong Lu
Min Wang
Wei Ma
Yifeng Wang
Abstract
In recent years, rock pyrolysis parameters combined with a mass balance method have been used to calculate the hydrocarbon expulsion efficiency. However, due to the experimental procedure of rock pyrolysis, the residual hydrocarbon amount (S1) is underestimated, and the hydrocarbon-generation potential of kerogen (S2) is overestimated, so that the hydrocarbon expulsion efficiency calculated from the pyrolysis parameters before correction is higher than the actual value. In this paper, the pyrolysis parameters were corrected by performing pyrolysis before and after the extraction of source rocks, and the hydrocarbon expulsion efficiency of the mudstone of the Qing 1 member of the Ha14 well in Songliao basin was calculated using the chemical kinetics method. The hydrocarbon expulsion efficiencies before and after the correction were considerably different, the hydrocarbon expulsion efficiency of the Ha14 well after correction was 17.5% lower than that before correction. The study show that the higher the abundance and maturity of source rock are, the higher the hydrocarbon expulsion efficiency is; the oil-type organic matter has a higher hydrocarbon-expulsion efficiency than the gas-type organic matter; the interbedded sand and mud type source-reservoir configuration relationship is beneficial to hydrocarbon expulsion; the underwater diversion channel phase has the highest hydrocarbon expulsion efficiency.
Citation
Xue, H., Dong, Z., Tian, S., Lu, S., Greenwell, H. C., Luo, P., …Wang, Y. (2022). Calculation and controlled factors of hydrocarbon expulsion efficiency using corrected pyrolysis parameters: A Songliao case study. Journal of Petroleum Science and Engineering, 208, Article 109026. https://doi.org/10.1016/j.petrol.2021.109026
Journal Article Type | Article |
---|---|
Acceptance Date | May 26, 2021 |
Online Publication Date | Jul 2, 2021 |
Publication Date | 2022-01 |
Deposit Date | Aug 11, 2021 |
Publicly Available Date | Jul 2, 2023 |
Journal | Journal of Petroleum Science and Engineering |
Print ISSN | 0920-4105 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 208 |
Article Number | 109026 |
DOI | https://doi.org/10.1016/j.petrol.2021.109026 |
Public URL | https://durham-repository.worktribe.com/output/1244104 |
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Publisher Licence URL
http://creativecommons.org/licenses/by-nc-nd/4.0/
Copyright Statement
© 2021 This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
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