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- Title
The quantitative prediction of tectonic fractures of Longmaxi formation in Dingshan area, southeastern Sichuan Basin.
- Authors
Jiatong Xie; Qirong Qin; Cunhui Fan; Dongfeng Hu; Hu Li
- Abstract
Tectonic fractures are a significant factor for the production of the Longmaxi formation in Dingshan area. The analysis of the distribution and development degree of tectonic fractures is the main research method in present-day. Based on the data of field outcrops and borehole core, the new method-binary method is put forward by rock fracture and energy value to decide tectonic fracture development. According to the method, the fitting formula is offered between the relation of the value of rock fracture, energy, and fracture density. Compared to the fracture density predictive value and the observed value of 15 wells, all wells relative error of less than 25%. The prediction results are accurate. According to the fitting formula of fracture development and distribution in the study area are obtained. The results show that the fracture density is high as a whole of the Longmaxi formation in Dingshan area. Whole shows by southeast to gradually reduce the trend of the northwest. Supported the future of the oil and gas exploration to provide geological basis and guidance in Dingshan area.
- Subjects
SICHUAN Sheng (China); PETROLEUM prospecting; NATURAL gas prospecting; FACTORS of production; PETROLEUM industry
- Publication
Earth Sciences Research Journal, 2019, Vol 23, Issue 2, p157
- ISSN
1794-6190
- Publication type
Article
- DOI
10.15446/esrj.v23n2.79957