文献类型：期刊文献

英文题名：3D numerical analysis of stability and onset of hydraulic fracture in the vertical-oblique-horizontal wells under wide range of in situ stresses

作者：Shan, Zhigang[1,2];Zhao, Liuyuan[1,2];Ni, Weida[1,2];Wu, Jie[3];Zhang, Fang[4,7];Aliha, M. R. M.[5,6,8]

机构：[1]PowerChina Huadong Engn Corp Ltd, Hangzhou, Peoples R China;[2]Zhejiang Huadong Construct Engn Corp Ltd, Hangzhou, Peoples R China;[3]Rock Innovat Technol Co Ltd, Shaoxing, Zhejiang, Peoples R China;[4]Shaoxing Univ, Sch Civil Engn, Shaoxing, Zhejiang, Peoples R China;[5]Iran Univ Sci & Technol IUST, Welding & Joining Res Ctr, Sch Ind Engn, Tehran, Iran;[6]Gebze Tech Univ, Engn Fac, Dept Mech Engn, Gebze, Turkiye;[7]Shaoxing Univ, Sch Civil Engn, Shaoxing 312000, Zhejiang, Peoples R China;[8]Iran Univ Sci & Technol IUST, Welding & Joining Res Ctr, Sch Ind Engn, Tehran 1684613114, Iran

年份：2023

卷号：47

期号：2

起止页码：413

外文期刊名：FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES

收录：SCI-EXPANDED(收录号：WOS:001112582200001)、、EI(收录号：20234915161835)、Scopus(收录号：2-s2.0-85178437836)、WOS

基金：This work was supported by Science and Technology project of POWERCHINA Huadong Engineering Corporation (Grant No. KY2020-KC-05).

语种：英文

外文关键词：hydraulic fracturing; in situ stresses of rock formation; minimum pumping pressure, K-I-T relationship, stability of hydraulic fracture path; mode I stress intensity factor; T-stress; well inclination angle

外文摘要：Influence of the depth and location of perforation, direction and magnitudes of in situ stresses, wellbore angle, and pumping pressure is investigated numerically for the hydraulic fracture. 3D models of rock formation with vertical, inclined or horizontal wells containing semi-circular crack are analyzed to obtain both KI and the minimum pumping pressure. By computing the magnitude and sign of the T-stress it is demonstrated that hydraulic fracture path is generally stable except for a very limited situations in which the vertical well is subjected to the lowest in situ stresses. The minimum horizontal in situ stress has the most dominant role in controlling the hydraulic fracture. A direct relationship between KI and T was obtained for different ranges of in situ stresses and some relations were presented for estimating the critical stress intensity factor at the onset of hydraulic fracture and minimum injection pressure in terms of the applied in situ stresses.