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Zhaotong Field

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Profile of the <span class="search-highlight">Zhaotong</span> shale gas <span class="search-highlight">field</span> SBC and the distribution of the hyp...
Published: 15 January 2019
Figure 9. Profile of the Zhaotong shale gas field SBC and the distribution of the hypocenters from 12 to 31 January 2017. (a) EE′, profile through well pad H7, H6, and N201 showing shale gas fields in the Wufeng–Longmaxi Formations in the SBC. This profile is drawn according to figure 12 in Zou
Journal Article
Journal: Interpretation
Published: 27 March 2020
Interpretation (2020) 8 (2): T403–T419.
...Panke Sun; Hanqing Zhu; Huaimin Xu; Xiaoni Hu; Linfeng Tian Abstract As a national shale-gas demonstration zone in China, the Zhaotong area has great gas resource potential. However, the nanopore structure characteristics, methane adsorption capacity, and their affecting factors of the Lower...
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Journal Article
Published: 01 May 2015
Seismological Research Letters (2015) 86 (3): 764–774.
... and Ludian basins are developed along this fault. Previous studies indicate that the Zhaotong and Liangfeng fault zones are locked to different degrees, based on GPS velocity field and small earthquakes’ precisely relocated data ( Zhu et al. , 2005 ; Wen et al. , 2008 ). In the last decade, the number...
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Journal Article
Journal: Geophysics
Published: 06 March 2024
Geophysics (2024) 89 (3): C105–C115.
.... Fourth, based on the HTI mechanical earth model, we formulate a cost-effective 3D in-situ stress estimation method using the obtained elastic parameters and fracture compliance. Finally, field examples from the Zhaotong area, China, demonstrate that the estimated fracture density and anisotropic in-situ...
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Journal Article
Published: 23 September 2015
Seismological Research Letters (2015) 86 (6): 1622–1635.
... Village and Longtoushan Township on the Google Earth satellite image ( Fig. S1, available in the electronic supplement). This 3D image from Google Earth and field surveys further show that the linear topographic features, in fact, include northwest-trending fault valleys, northeast-facing fault scarps...
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Journal Article
Published: 03 March 2021
Seismological Research Letters (2021) 92 (4): 2122–2133.
.... The focal mechanisms of 70 aftershocks with magnitudes M L ≥ 1.0 showed similar focal mechanism with the mainshock. The stress field inverted from focal mechanisms of the aftershocks is consistent with the tectonic stress field. The coseismic and postseismic static coulomb stress changes show...
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Journal Article
Published: 15 January 2019
Bulletin of the Seismological Society of America (2019) 109 (1): 348–357.
...Figure 9. Profile of the Zhaotong shale gas field SBC and the distribution of the hypocenters from 12 to 31 January 2017. (a) EE′, profile through well pad H7, H6, and N201 showing shale gas fields in the Wufeng–Longmaxi Formations in the SBC. This profile is drawn according to figure 12 in Zou...
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Image
(a) Tectonic map of the Qiaojia earthquake source region and surrounding se...
Published: 03 March 2021
Figure 1. (a) Tectonic map of the Qiaojia earthquake source region and surrounding seismic stations: Qiaojia array (red), Zhaotong array (blue), and regional seismic network (purple). The red rectangular frame in the inset shows where the Qiaojia earthquake source region is with respect
Journal Article
Published: 20 June 2022
Seismological Research Letters (2022) 93 (5): 2740–2752.
...Xian Zheng; Cuiping Zhao; Hongrui Qiu; Fenglin Niu; Ce Zhao Abstract We image the Zhaotong‐Ludian fault (ZLF) in the southeastern margin of the Tibetan plateau (SE Tibetan plateau) using waveforms from local and teleseismic earthquakes recorded by 14 seismic stations. We identify two types of fault...
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Journal Article
Journal: Interpretation
Published: 26 April 2022
Interpretation (2022) 10 (2): T379–T392.
...Fuqiang Lai; Xiaoxue Xia; Changjiang Wang; Ruyue Wang; Lulu Zhong; Zhaohui Huang; Haitao Wang; Zhangxiong Zhu Abstract The shale gas reservoir in the Zhaotong national shale gas demonstration area in the southern margin of the Sichuan Basin is mainly developed in the lower member of the Ordovician...
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Journal Article
Published: 21 July 2021
Seismological Research Letters (2021) 92 (6): 3416–3427.
... of the assumptions is that the earthquake rupture should pass through the fault segment close to the station. The rupture initiation and development process for the Ludian earthquake have been intriguing due to the complex geometry of the conjugate faults and the location uncertainties. Here, given the near‐field...
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Journal Article
Published: 10 January 2024
Seismological Research Letters (2024) 95 (3): 1759–1775.
... on the southeastern margin of the Tibetan plateau and is one of the areas with the strongest eastward extrusion of the Tibetan plateau ( Wen et al. , 2008 ). Since 2003, the Zhaotong–Ludian and Lianfeng fault zones located in the EB‐SYRB have frequently experienced moderate and strong earthquakes (Fig.  1 ). On 3...
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Journal Article
Journal: Interpretation
Published: 26 July 2021
Interpretation (2021) 9 (3): T855–T867.
... Longmaxi Formation shale in the Zhaotong area. The biogenic silica content per unit volume is found to be up to 5.61 wt%–5.67 wt%, accounting for 12.8–14.5 times of abiogenic silica, which is approximately 0.39 wt%–0.44 wt%, indicating that biogenic silica contributes more to the total silica than...
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Journal Article
Published: 16 October 2018
Bulletin of the Seismological Society of America (2018) 108 (6): 3270–3277.
... of the two auxiliary planes in the focal mechanism coincided with the northeast‐trending Zhaotong‐Ludian fault system. The relocation of aftershocks ( Fang et al. , 2014 ; Wang et al. , 2014 ), field survey ( Xu et al. , 2015 ), and rupture directivity study ( Zhao et al. , 2014 ; He et al. , 2015...
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Journal Article
Published: 02 July 2024
Seismological Research Letters (2024)
..., Lianfeng fault; XF, Xiaojiang fault; ZF, Zemuhe fault; ZLF, Zhaotong–Ludian fault. The color version of this figure is available only in the electronic edition. The China Earthquake Network Center provided an earthquake catalog that shows 4055 earthquakes with M L > 1.0 occurred...
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Journal Article
Published: 30 March 2022
Seismological Research Letters (2022) 93 (3): 1549–1563.
... field in southern Sichuan basin, and the Weifang segment of Tan‐Lu fault (Fig.  2 ). The instrument type for Suqian and Weifang dense arrays is EPS‐2‐M6Q short‐period seismometer that has a natural frequency of 5 s. For the array in Changning–Zhaotong shale gas field, the instrument type includes both...
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Journal Article
Published: 01 May 2015
Seismological Research Letters (2015) 86 (3): 750–763.
... (retrospective analysis and forward‐prediction‐oriented monitoring of gravity anomalies, the complex fault systems in the source region, deformation field and stress state, active faults and regional long‐term seismic hazard, and the stress change impact of the Ludian earthquake on the east Sichuan–Yunnan border...
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Journal Article
Published: 17 October 2017
Bulletin of the Seismological Society of America (2017) 107 (6): 3023–3036.
... faults (ZHF, Zemuhe fault; XJF, Xiaojiang fault; DLF, Daliangshan fault; LFF, Lianfeng fault; BXF, Baogunao‐Xiaohe fault; LSF, Longshu fault; ZLF: Zhaotong‐Ludian fault; HYF, Huize‐Yiliang fault; ZTB, Zhaotong basin; F1, BXF, northwest trending; and F2, northeast trending, an unmapped fault.) Inset shows...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 2021
AAPG Bulletin (2021) 105 (12): 2425–2447.
... Administration, 2018 ). In contrast, shale gas exploitation in China and in other countries has been progressing slowly, despite the use of technologies similar to those applied in the United States, with only a few commercial shale gas fields having been discovered in the Sichuan and Ordos Basins ( Dong et al...
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Journal Article
Journal: GSA Bulletin
Published: 09 November 2021
GSA Bulletin (2022) 134 (7-8): 1845–1862.
... in the Zhaotong, Qiaojia, and Dongchuan areas of Yunnan Province in the inner margin of the intermediate zone ( Liu et al., 2012 ; Xu et al., 2018 ); and from a composite section with a thickness of ~1800 m at Yanyuan in the outer margin of the central zone of the Emeishan large igneous province ( Zheng et al...
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