Results 111 to 120 of about 1,646 (200)

Fracture features and fault influence on gas accumulation in the Longmaxi Formation in Changning block, southern Sichuan Basin

open access: yesNatural Gas Industry B
The Lower Silurian Longmaxi Formation is a major horizon for shale gas development in the Changning block in Sichuan Basin. In this study, the fracture features in the Longmaxi Formation in the Changning block were investigated through outcrop ...
Bo Li   +9 more
doaj   +1 more source

A Gaussian Process Regression Model for Estimating Pore Volume in the Longmaxi Shale Formation

open access: yesProcesses
Shale pore volume is a critical parameter for reservoir evaluation. Accurate and rapid determination of this parameter is essential for identifying sweet spots and performing reliable reserve estimations. Currently, laboratory experiments remain the standard for determining pore volume; however, these methods are typically time-consuming, costly, and ...
Sirong Zhu   +5 more
openaire   +1 more source

Influence of particle size effect on microfracture development in shale reservoir:a case study of the Silurian Longmaxi Formation shale reservoir in Weiyuan area

open access: yes, 2022
Influence of particle size effect on microfracture development in shale reservoir:a case study of the Silurian Longmaxi Formation shale reservoir in Weiyuan ...
J Zhang (7490018)   +8 more
core  

Pyrite morphological evidence for sedimentary conditions of the Wufeng formation–Longmaxi formation in south-east Chongqing area–insights for high-quality shale gas reservoir formation mechanism

open access: yes
As one of the important minerals in marine shale reservoirs, the development characteristics of pyrite can provide guidance for the exploration of deep shale gas resources and the study of high-quality reservoir development mechanisms.
Zhibo Zhang   +9 more
core   +1 more source

Response of geochemical characteristics of organic-rich shale of Longmaxi formation to the sedimentary environment in the Neijiang-Rongchang area, Sichuan Basin, China

open access: yesFrontiers in Earth Science
The Lower Paleozoic (Upper Ordovician–Silurian), a globally deposited organic-rich shale, is one of the most prevalent source rocks worldwide. However, the origin of these shales remains uncertain.
Licheng Yang   +12 more
doaj   +1 more source

Shale petrofacies division of Wufeng-Longmaxi formations in Sichuan Basin and its periphery

open access: yesShiyou shiyan dizhi, 2020
The research of shale petrofacies is significant for the exploration of shale gas "sweet spots". Different petrographic division schemes have been proposed but no consensus has been reached. This paper has studied the criteria and boundary values of the petrographic classification reference parameters of the Upper Ordovician Wufeng-Lower Silurian ...
Tao YUAN   +6 more
openaire   +1 more source

Factors controlling microfractures in black shale: A case study of Ordovician Wufeng Formation–Silurian Longmaxi Formation in Shuanghe Profile, Changning area, Sichuan Basin, SW China

open access: yes, 2018
The dominant factors controlling development of microfractures in the black shale and the origin of microfractures in the sweet spot intervals were discussed of the Ordovician Wufeng Formation−Silurian Longmaxi Formation in Shuanghe outcrop profile ...
Chenchen ZHANG   +13 more
core   +1 more source

Stratigraphic sequence and sedimentary characteristics of Lower Silurian Longmaxi Formation in Sichuan Basin and its peripheral areas

open access: yes, 2015
A high-precision sedimentary environment study of the Lower Silurian Longmaxi Formation is an important subject for shale gas exploration and development in Sichuan Basin and its surrounding areas.
Wang, Yuman   +11 more
core   +1 more source

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