Author(s)

Yuecheng Wang ¹, Minqi Li ², Haowen Tan ¹

Affiliation(s)

¹ College of Transportation Engineering, Chang'an University, Xi'an, China
² School of Automobile, Chang'an University, Xi'an, China

Corresponding Author

Yuecheng Wang

ABSTRACT

In this paper, a three-dimensional borehole track design is carried out for complex horizontal wells. Based on the two-dimensional borehole track model, a seven-segment ideal three-dimensional borehole track model is established by considering the parameter range, frictional torque and resistance, and borehole track positioning hit rate. After that, Monte Carlo simulation is applied to find the optimal design of the borehole track. Based on fuzzy comprehensive evaluation, horizontal well drilling completion acceptance criteria are established. Three evaluation factors of cost, risk, and difficulty of construction are determined to constitute the factor set; five rubrics of excellent, good, moderate, qualified and unqualified are used to constitute the evaluation set. After deriving the affiliation matrix, the final evaluation criteria are determined by using the fuzzy judgment matrix to calculate the superiority and inferiority ratings of the mechanical probability model compared with the developed criteria.

KEYWORDS

Entropy weight method, fuzzy comprehensive evaluation, mechanical probabilistic borehole track model

CITE THIS PAPER

Yuecheng Wang, Minqi Li, Haowen Tan, Seven-stage complex horizontal well 3D borehole track design. Journal of Engineering Mechanics and Machinery (2022) Vol. 7: 58-63. DOI: http://dx.doi.org/10.23977/jemm.2022.070310.

REFERENCES

[1] Hu Jianchuan. The necessity and strategy of optimizing technical measures of petroleum drilling engineering[J]. Chemical Management, 2018(25): 212-213.
[2] Yuan Guangjie, Fu Li, Wang Yuan et al. Current status and development suggestions of drilling and completion technology for economic and effective development of unconventional oil and gas in China[J]. Petroleum Drilling Technology, 2022, 50(01): 1-12.
[3] Liu Xiushan. Borehole track geometry [M]. Beijing: Petroleum Industry Press, 2006: 65-108.
[4] Han Zhiyong. Directional drilling design and calculation [M]. Dongying: China University of Petroleum Press, 2007: 192-197.
[5] Meng, X.W. Experimental Study on Frictional Torque of Tubular Column in Three-dimensional Bent Borehole [D]. China University of Petroleum (East China), 2017.

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