Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China

Abstract The characteristics of petroliferous plays in subtle traps within a sequence stratigraphic framework in the Dongying Depression are investigated in this study. Sand bodies within lowstand systems tracts (LSTs) of sequences, comprising incised-channel fills, sublacustrine fans, deltas in LST...

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Autores principales:	Ji-Chang Zhu, Cai-Neng Zou, You-Liang Feng, Shu Jiang, Wei-An Wu, Ri-xiang Zhu, Miao Yuan
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2019
Materias:	Subtle traps Sand bodies within lowstand systems tract Syndepositional normal fault Abnormal overpressure Dongying Depression Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/6501a9d8494a478f931dc249db9c7e4a
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spelling	oai:doaj.org-article:6501a9d8494a478f931dc249db9c7e4a2021-12-02T13:01:48ZDistribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China10.1007/s12182-019-00387-z1672-51071995-8226https://doaj.org/article/6501a9d8494a478f931dc249db9c7e4a2019-11-01T00:00:00Zhttps://doi.org/10.1007/s12182-019-00387-zhttps://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract The characteristics of petroliferous plays in subtle traps within a sequence stratigraphic framework in the Dongying Depression are investigated in this study. Sand bodies within lowstand systems tracts (LSTs) of sequences, comprising incised-channel fills, sublacustrine fans, deltas in LSTs, controlled by syndepositional normal faults, and sand bodies within transgressive systems tracts (TSTs) to early highstand systems tracts (HSTs), consisting of beach bars, and turbidites, controlled by the prodelta slope, paleorelief, and syndepositional normal faults, are good subtle reservoirs. Mudstones and shale of deep lake subfacies in TSTs to early HSTs of sequences are source and cap rocks. Abnormal overpressure is the dominant dynamic factor for hydrocarbon migration from source rock to the subtle traps. Normal faults, sand bodies, and unconformities function as conduit systems. Sand bodies distributed in the abnormal overpressure source rocks within LSTs to early HSTs are petroliferous plays in lithologic traps. The petroliferous plays in stratigraphic traps are controlled by unconformities at margins of the Depression.Ji-Chang ZhuCai-Neng ZouYou-Liang FengShu JiangWei-An WuRi-xiang ZhuMiao YuanKeAi Communications Co., Ltd.articleSubtle trapsSand bodies within lowstand systems tractSyndepositional normal faultAbnormal overpressureDongying DepressionScienceQPetrologyQE420-499ENPetroleum Science, Vol 17, Iss 1, Pp 1-22 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Subtle traps Sand bodies within lowstand systems tract Syndepositional normal fault Abnormal overpressure Dongying Depression Science Q Petrology QE420-499
spellingShingle	Subtle traps Sand bodies within lowstand systems tract Syndepositional normal fault Abnormal overpressure Dongying Depression Science Q Petrology QE420-499 Ji-Chang Zhu Cai-Neng Zou You-Liang Feng Shu Jiang Wei-An Wu Ri-xiang Zhu Miao Yuan Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China
description	Abstract The characteristics of petroliferous plays in subtle traps within a sequence stratigraphic framework in the Dongying Depression are investigated in this study. Sand bodies within lowstand systems tracts (LSTs) of sequences, comprising incised-channel fills, sublacustrine fans, deltas in LSTs, controlled by syndepositional normal faults, and sand bodies within transgressive systems tracts (TSTs) to early highstand systems tracts (HSTs), consisting of beach bars, and turbidites, controlled by the prodelta slope, paleorelief, and syndepositional normal faults, are good subtle reservoirs. Mudstones and shale of deep lake subfacies in TSTs to early HSTs of sequences are source and cap rocks. Abnormal overpressure is the dominant dynamic factor for hydrocarbon migration from source rock to the subtle traps. Normal faults, sand bodies, and unconformities function as conduit systems. Sand bodies distributed in the abnormal overpressure source rocks within LSTs to early HSTs are petroliferous plays in lithologic traps. The petroliferous plays in stratigraphic traps are controlled by unconformities at margins of the Depression.
format	article
author	Ji-Chang Zhu Cai-Neng Zou You-Liang Feng Shu Jiang Wei-An Wu Ri-xiang Zhu Miao Yuan
author_facet	Ji-Chang Zhu Cai-Neng Zou You-Liang Feng Shu Jiang Wei-An Wu Ri-xiang Zhu Miao Yuan
author_sort	Ji-Chang Zhu
title	Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China
title_short	Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China
title_full	Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China
title_fullStr	Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China
title_full_unstemmed	Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China
title_sort	distribution and controls of petroliferous plays in subtle traps within a paleogene lacustrine sequence stratigraphic framework, dongying depression, bohai bay basin, eastern china
publisher	KeAi Communications Co., Ltd.
publishDate	2019
url	https://doaj.org/article/6501a9d8494a478f931dc249db9c7e4a
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Distribution and controls of petroliferous plays in subtle traps within a Paleogene lacustrine sequence stratigraphic framework, Dongying Depression, Bohai Bay Basin, Eastern China

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