Discovery of Marine-terrestrial Transitional Facies Shale Gas in Taiyuan Formation of Zhenjia 1 Well, Northern Shaanxi, Ordos basin

Zhang, Yongsheng; Zheng, Mianping; Xing, Enyuan; Li, Yangchi; Gui, B.; Shi, Lizhi; He, Yan‐Bing; Wang, Linlin; Peng, Yuan; Zhao, Haitong

doi:10.1111/1755-6724.13333

Cited by 4 publications

(1 citation statement)

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“…However, the exploration and development of transitional facies shale gas resources are still at an early stage. Transitional facies shales, containing both marine and continental shales, differ substantially according to their tectonicsedimentary evolution, and their geochemical, reservoir, and gas-bearing characteristics (Bao et al, 2016;Yang et al, 2017;Zhang et al, 2008Zhang et al, , 2017. Transitional facies shale gas reservoirs in China are mainly distributed in North China, the Tarim Basin, and the Sichuan Basin, and the primary section for development is the Carboniferous-Permian.…”

Section: Introduction and Methodologymentioning

confidence: 99%

Geology and transitional shale gas resource potentials in the Ningwu Basin, China

Xu²,

Jiang

et al. 2018

Energy Exploration & Exploitation

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We analyzed the tectonic evolution characteristics, sedimentary environment, geochemical characteristics, petrological characteristics, and gas-bearing properties of three mudstone sections of the Lower Paleozoic in Ningwu Basin, NE China, and determined the geologic characteristics and resource potential of the transitional facies shale gas. Geochemical analysis of the organic carbon content, kerogen macerals, and vitrinite reflectance of the shale samples showed that the total organic content was generally over 2.0%, the main organic type was type III, and the vitrinite reflectance values (Ro) were between 1.20 and 1.90%. Thus, the mudstones are good shale gas source rocks. The thickness of the three mudstone sections was approximately 30-70 m, and the average porosity was 3.10%. The pore types were diverse with good reservoir capacity. The shale gas resources of the Carboniferous-Permian transitional facies estimated by the volumetric method were approximately 2798.97 Â 10 8 -4643.09 Â 10 8 m 3. Through a comparison with shales in SW China, where shale gas has been successfully exploited, we determined the preferred criteria for favorable shale gas areas, as well as favorable areas for shale gas enrichment.

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Section: Introduction and Methodologymentioning

confidence: 99%

Geology and transitional shale gas resource potentials in the Ningwu Basin, China

Xu²,

Jiang

et al. 2018

Energy Exploration & Exploitation

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Pore-Scale Gas Storage Mechanisms, Characteristics, and Influencing Factors in Water-Bearing Shale: Insights from Molecular Dynamics Simulations

Zhang,

Dang,

Zhang

et al. 2024

ACS Omega

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In order to explore the microscopic storage mechanism of shale gas in waterbearing pores and its influencing factors, this article first establishes a molecular dynamics model for methane in different types of adsorbents using molecular dynamics simulation and the grand canonical ensemble Monte Carlo methods. These adsorbents include graphene, organic matter (kerogen), brittle minerals (quartz and albite), carbonate minerals (calcite), and clay minerals (illite, kaolinite, and montmorillonite). Then, by analyzing the molecular storage model and density distribution curves of methane in pores, the storage mechanisms of shale gas are analyzed and elucidated. Finally, the effects of pore water, organic/inorganic composition, pore size, pore shape, temperature, pressure, salinity, organic matter type, and multicomponent mixed gases on shale gas storage are discussed. This work aims to provide theoretical and technical support for the evaluation, exploration, and development of shale gas.

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Petroleum Distribution Characteristics of the Americas and the Exploration Prospect Analysis

Hao

Li²,

Zuo

et al. 2018

Acta Geologica Sinica (Eng)

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The world's present demand for oil and gas is still in a rapid growth period, and traditional oil and gas resources account for more than 60% of the global oil and gas supply. The Americas is the world's second largest production and consumption center of liquid fuel, and is also the world's largest natural gas producer. In 2016, the Americas had 85.3 billion tons of proven oil reserves and 18.7 trillion m3 of proven natural gas reserves, which account for 35.4% and 10.0% of world's total reserves, respectively. It produced 1267.1 Mt of oil and 1125.4 billion m3 of natural gas, which account for 28.9% and 31.7% of the world's total production, respectively. The crude oil and natural gas reserves are mainly distributed in the U.S., Canada and Venezuela. The U.S. is the earliest and most successful country in shale gas exploration and development, and its shale gas is concentrated in the southern, central and eastern U.S., including the Marcellcus shale, Barnett shale, EagleFord shale, Bakken shale, Fayettevis shale, Haynsvill shale, Woodford shale and Monterey/Santos shale. The potential oil and gas resources in the Americas are mainly concentrated in the anticline and stratigraphic traps in the Middle‐Upper Jurassic slope deposition of the North Slope Basin, the Paleozoic Madsion group dolomite and limestone in the Williston Basin, dominant stratigraphic traps and few structural traps in the Western Canada Sedimentary Basin, the Eocene structural‐stratigraphic hydrocarbon combination, structural‐unconformity traps and structural hydrocarbon combination, and the Upper Miocene stratigraphic‐structural hydrocarbon combination in the Maracaibo Basin of Venezuela, the stratigraphic‐structural traps and fault horst, tilting faulted blocks and anticlines related to subsalt structure and basement activity in the Campos Basin, the subsalt central low‐uplift belt and supra‐salt central low‐uplift belt in the Santos Basin of Brazil, and the structural‐stratigraphic traps in the Neuquen Basin of Argentina. In addition, the breakthrough of seismic subsalt imaging technology makes the subsalt deepwater sea area of eastern Barzil an important oil and gas potential area.

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Discovery of Marine-terrestrial Transitional Facies Shale Gas in Taiyuan Formation of Zhenjia 1 Well, Northern Shaanxi, Ordos basin

Cited by 4 publications

References 0 publications

Geology and transitional shale gas resource potentials in the Ningwu Basin, China

Geology and transitional shale gas resource potentials in the Ningwu Basin, China

Pore-Scale Gas Storage Mechanisms, Characteristics, and Influencing Factors in Water-Bearing Shale: Insights from Molecular Dynamics Simulations

Petroleum Distribution Characteristics of the Americas and the Exploration Prospect Analysis

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