Results 21 to 30 of about 516 (206)
Shiyou shiyan dizhiDolomite formation is a crucial aspect of natural gas reservoirs in the marine strata of the Sichuan Basin, particularly in the exploration of deep carbonate reserved oil and gas resources. Understanding the genetic mechanism of dolomite is essential for
Hao YANG +7 more
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Shiyou shiyan dizhi, 2021 The Mid-Permian Maokou Formation in the Sichuan Basin shows good petroleum prospectivity. However, knowledge of the stratigraphy in the northern and eastern Sichuan Basin during the late Maokou period are still unclear.
Qianying YAO +7 more
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Shiyou shiyan dizhi, 2023 Kart reservoir is important for the Middle Permian Maokou Formation in the northern part of Sichuan Basin. Based on field outcrops and drilling core data, combining both macro and micro methods, the characteristics of karst strata association of the ...
Qingyu ZHANG +6 more
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Permian Large Igneous Provinces and Their Paleoenvironmental Effects
Geophysical Monograph Series, Page 417-434., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jun Chen, Yi‐Gang Xu
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Shiyou shiyan dizhi, 2023 The Middle Permian Maokou Formation in the Sichuan Basin is an important natural gas payzone. Recently, Zhejiang Oilfield Company of CNPC obtained industrial gas flow of vertical well test 42×103 m3/d and horizontal well (well DB 1H) test 556×103 m3/d in
Xing LIANG +6 more
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Geofluids, Volume 2023, Issue 1, 2023., 2023 Considering that karst caves, underground rivers, and dissolution fractures in shallow carbonate formation in the Sichuan Basin are extremely developed, leakage, failure and plugging difficulties are easy to occur in the drilling process. The TDEM was used to carry out the exploration of hidden karst geological bodies in well QM2, and the quasi‐three ...
Bin Wu +9 more
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Geofluids, Volume 2023, Issue 1, 2023., 2023 It is difficult to optimize the drilling parameters, which makes it difficult to reduce drilling costs in the process of drilling shale gas wells in the Fuling region of Chongqing, China. This paper takes the optimization combination of drilling parameters in drilling engineering as the research object and uses a saw‐tooth genetic algorithm to perform ...
Kai Bai +5 more
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A Study on Excavation Characteristics of Tunnel with Upper‐Soft Lower‐Hard Stratum
Geofluids, Volume 2022, Issue 1, 2022., 2022 In view of the geological environment, in which the upper part is the “soft” layer of completely weathered siliceous rock and the lower part is the “hard” layer of weakly weathered limestone, the rail surface line is designed to pass through the interface between the upper “soft” layer and lower “hard” layer.
Jun Feng +3 more
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Risk Assessment of Water Inrush from Coal Floor Based on Karst Fractal‐Vulnerability Index Method
Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022 Hidden karst structures are developed irregularly in the Middle Permian Maokou Formation aquifer from the northern part of the Guizhou coalfield, China. Mining operations associated with the exploitation of coal seams from the lower part of the Upper Permian Longtan Formation are threatened by karst waters from the underlying strata.
Rui-Peng Li +5 more
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Open Geosciences, 2023 The middle Permian Maokou Formation in the Longnüsi area in the central Sichuan Basin is currently a key formation for exploration and development. The evaluation of the current in situ stress in this area is of great significance for fracture prediction,
Zhao Tianbiao +4 more
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