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- Title
Drilling achievements and gas accumulation in the Upper Paleozoic in western new area of Taikang Uplift, Southern North China Basin.
- Authors
Zhang Jiao-dong; Zeng Qiu-nan; Zhou Xin-gui; Liu Xu-feng; Zhang Hong-da; Wang Yu-fang; Bi Cai-qin; Cao Jian-kang; Du Jian-bo; Yu Ming-de; Zhang Yang; Chang Da-yu; Wang Fu-bin; Miao Hui-xin
- Abstract
Based on the analysis of seismic data and well data of existing drilling,and took of the characteristics fracture structure, tectonic deformation and relict strata distribution in the Mesozoic, the sub-units of west Taikang Uplift in Southern North China Basin is re-divided, and the Zhuangtou fault nose is optimized, where Well Weican-1 was deployed. The well revealed a good exploration prospect by the discovery of 69 gas logging abnormality, with an accumulated thickness of 81.29m and a max hydrocarbon value of 24.118 3%, in the Upper Paleozoic. After comprehensive analysis, it is concluded that the hydrocarbon shows of Well Weican-1 in Upper Paleozoic is closely related to residual thickness of the overlying Triassic strata,and the study area is confirmed to be relatively stable in tectonic conditions.Consider the features of petroleum geological conditions, especially the effective sealing and preservation conditions, the west Taikang Uplift,where the dominant remnants of Upper Paleozoic is widely distributed with large thickness, medium burial depth, well preserved Triassic, and relatively stable, would be an advantaged Paleozoic naturalgas foreground area with good preservation conditions,and therefore further advanced the resources investigation of continental-oceanic interactive shale gas.
- Subjects
CHINA; PETROLEUM prospecting; HYDROCARBON reservoirs; PLATE tectonics; DRILLING &; boring; STRUCTURAL geology
- Publication
Natural Gas Geoscience, 2017, Vol 28, Issue 11, p1
- ISSN
1672-1926
- Publication type
Article
- DOI
10.11764/j.issn.1672-1926.2017.09.004