Research ArticleOpen AccessGoogle Scholar indexed
Prediction of the Favorable Area for the Development of Fracture in Mud-Shale of Wufeng-Longmaxi Formation in Jiaoshiba Area, Sichuan Basin
School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
- 1 School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
- 2 School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
Open Journal of Geology·Volume 06 (2016)·Pages 146–157·Published 7 March 2016·DOI10.4236/ojg.2016.63014
Copy link · social · email
Abstract
The main reservoir stratum of shale gas in the Jiaoshiba area, Sichuan basin is Wufeng-Longmaxi Formations. This paper calculates the tectonic difference stress values of JY1 well in different depths and numerically simulates the shale gas reservoir by elasto-plastic incremental method. The results of tectonic difference stress value suggest that the present tectonic stress values distribute strippedly in plane. The areas in favor of the development of fractures are stripped and mostly distributed in the northeast, middle and southwest of Jiaoshiba area, where the shale gas is concentrated.
KeywordsCracksTectonic Stress FieldNumerical SimulationDifference Stress
- Zou, C.N., Zhu, R.K., Wu, S.T., et al. (2012) Types, Characteristics, Genesis and Prospects of Conventional and Unconventional Hydrocarbon Accumulations: Taking Tight Oil and Tight Gas in China as an Instance. Acta Petrolei Sinica, 33, 173-187.
- Nie, H.K., Zhang, J.C. and Li, Y.X. (2011) Accumulation Conditions of the Lower Cambrian Shale Gas in the Sichuan Basin and Its Periphery. Acta Petrolei Sinica, 32, 959-967.
- Chen, S.B., Zhu, Y.M., Wang, H.Y., et al. (2011) Characteristics and Significance of Mineral Compositions of Lower Silurian Longmaxi Formation Shale Gas Reservoir in the Southern Margin of Sichuan Basin. Acta Petrolei Sinica, 32, 775-782.
- Guo, T.L. and Zhang, H.R. (2014) Formation and Enrichment Mode of Jiaoshiba Shale Gas Field, Sichuan Basin. Petroleum Exploration and Development, 41, 28-36. http://dx.doi.org/10.1016/S1876-3804(14)60003-3
- Anderson, C.A. and Bridwell, R.J. (1980) A Finite Element Method for Studying the Transient Non-Linear Thermal Creep of Geological Structures. Methods Geomechanic, 4, 255-276. http://dx.doi.org/10.1002/nag.1610040305
- Zhang, H.F. and Zhang, W.X. (1989) Petroleum Geology. Petroleum Industry Press, Beijing, 247-248.
- Zeng, L.B. (1998) Tectonic Stress Field and Development of Low Permeanbility Oil Field. Oil Exploration and Development, 25, 91-93.
- Wang, S.X., Song, H.Z. and Liu, J. (1999) Numerical Simulation of Tectonic Stress Field in Tarim Basin and Its Significance in Oil and Gas Concentration. Seismology and Geology, 21, 268-273.
- Zhang, J.H. and Sun, Z.S. (2001) Stress, Testing Technology of Fissile and Their Application in Oil Exploration and Exploitation. Petroleum Industry Press, Beijing, 3-25.
- Li, S.E., Zhang, S.H., Yue, K., et al. (2001) Tectonic Stress Field Numerical Simulation Analysis and Its Application. Petroleum Geology and Recovery Efficiency, 8, 38-40.
- Wan, T.F. (1988) Paleo-Tectonic Stress Field. Geological Publishing House, Beijing, 82-87, 124-144.
- Wan, T.F. (1995) The Progress of Researches on Tectonic Stress Field. Earth Science Frontiers, 2, 226-235.
- Chen, Z.D., Meng, Q.A., Wan, T.F., et al. (2002) Numerical Simulation of Tectonic Stress Field in Gulong Depression in Songliao Basin Using Elastic-Plastic Increment Method. Earth Science Frontiers, 9, 483-492.
- Zhang, S.R., Wan, T.F. and Chen, J.P. (2004) Tectonic Stress Field Modeling and Fracture Prediction in T3x2-4 Strata in Xiaoquan-Xinchang Area, Western Sichuan Depression. Oil &Gas Geology, 25, 70-80.