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Authors: Tianyu Xia 1 ; Zhaohui Xia 2 ; Penghui Su 2 ; Liangchao Qu 2 ; Wei Ding 2 and Yunpeng Hu 2

Affiliations: 1 The Middle School Affiliated to Beijing Jiaotong University and Beijing, China ; 2 PetroChina Research Institute of Petroleum Exploration and Development and Beijing, China

Keyword(s): Tight gas, TOC, pore structure, thermal evolution

Abstract: Shale gas has become one of the key points for the development of unconventional oil and gas. To better understand the influence factors of TOC in shale from Montney formation, total organic carbon (TOC), Rock-Eval analysis and saturation measurements were conducted to quantitatively analyze the influence factors of TOC. The results show that the kerogen type in the study block is gas-prone. Porosity and permeability have good correlations with TOC for high-maturity samples, demonstrating that organic pores are well developed in studied shale. The relationship between TOC and Tmax is not obvious in low maturity samples, whereas the relationship between TOC and Tmax show a negative correlation for the samples with high maturity. Organic matter begins to transform into hydrocarbon before Tmax reaches a certain level. Gas saturation increases with the rise of TOC. Bulk density decreases with the increase of TOC. In general, TOC has a great influence on the pore structure of shale and th e hydrocarbon-generating transformation of kerogen and could well characterize the gas content and thermal evolution of the reservoir. (More)

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Paper citation in several formats:
Xia, T.; Xia, Z.; Su, P.; Qu, L.; Ding, W. and Hu, Y. (2018). Influences of TOC on Pore Structure of Shale from Montney Formation, West-Central Alberta, Canada. In Proceedings of the International Workshop on Environment and Geoscience - IWEG; ISBN 978-989-758-342-1, SciTePress, pages 541-546. DOI: 10.5220/0007433205410546

@conference{iweg18,
author={Tianyu Xia. and Zhaohui Xia. and Penghui Su. and Liangchao Qu. and Wei Ding. and Yunpeng Hu.},
title={Influences of TOC on Pore Structure of Shale from Montney Formation, West-Central Alberta, Canada},
booktitle={Proceedings of the International Workshop on Environment and Geoscience - IWEG},
year={2018},
pages={541-546},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007433205410546},
isbn={978-989-758-342-1},
}

TY - CONF

JO - Proceedings of the International Workshop on Environment and Geoscience - IWEG
TI - Influences of TOC on Pore Structure of Shale from Montney Formation, West-Central Alberta, Canada
SN - 978-989-758-342-1
AU - Xia, T.
AU - Xia, Z.
AU - Su, P.
AU - Qu, L.
AU - Ding, W.
AU - Hu, Y.
PY - 2018
SP - 541
EP - 546
DO - 10.5220/0007433205410546
PB - SciTePress

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