Integral Fracturing Optimization of Rectangular Five-Spot Well Network in WUNAN Oilfield

Abstract:

In order to develop WUNAN Oilfield more efficiently, a numerical model was established for low permeability reservoirs with vertical fractured wells. Integral fracturing schemes were designed to optimize the rectangular five-spot well network in WUNAN Oilfield, and the results show that rectangular well network achieves better well productivity than square well network. Schemes with different well spacing and fracture parameters are designed by orthogonal method, with each scheme simulating for 10 years, the most economically beneficial scheme is the one with 300m well spacing, 125m row spacing, 60m half fracture length of water injection well, 105m half fracture length of production well, and 30μm2·cm fracture conductivity. Good production effect was achieved in field application, which provided technical support to a high efficient development in WUNAN Oilfield.

• Periodical: Advanced Materials Research (Volume 442)
• Pages: 295-299
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.442.295
• Online since: January 2012
• Authors: Xiao Bing Bian, Shi Cheng Zhang, Tian Kui Guo, Zheng Xue Wei
• Keywords: Field Application, Integral Fracturing Optimization, Rectangular Five-Spot Well Network

References

[1] Hongling Zhang, Qi Zhang, Zekai Liu, et al: Journal of the University of Petroleum, China. Forum Vol. 26 (2002), p.35, in Chinese.

[2] Xiaoyuan Chen, Mao Ren: Drilling & Production Technology. Forum Vol. 29 (2006), p.43, in Chinese.

[3] Xingwu Feng, Hongtao Liu, Xueyi Li, et al: Journal of Oil and Gas Technology. Forum Vol. 32 (2010), p.356, in Chinese.

[4] Shicheng Zhang amd Jin Zhang: Fracturing Development Theory and Application (Beijing: Petroleum Industry Press, China 2003), in Chinese.

[5] Guozhong Zhao: Acta Petrolei Sinica. Forum Vol. 31 (2010), p.452, in Chinese.

[6] Yinghong Liu, Zongtian Li, Bihua Zhao: Fault-Block Oil & Gas Field. Forum Vol. 7(2000), p.46, in Chinese.