气候变化领域集成服务门户(CCPortal): Time-Dependent Hydraulic Fracture Initiation

CCPortal

DOI	10.1029/2019JB018797
	Time-Dependent Hydraulic Fracture Initiation
	Lu G.; Gordeliy E.; Prioul R.; Aidagulov G.; Uwaifo E.C.; Ou Q.; Bunger A.P.
发表日期	2020
ISSN	21699313
卷号	125 期号:3
英文摘要	Rocks are known to fail in a time-dependent manner similar to many brittle and quasi-brittle materials. However, observed time dependence of hydraulic fracture initiation has ubiquitously been attributed to fluid flow-related mechanisms without consideration of the intrinsic time dependence of rock failure. Laboratory delayed hydraulic fracturing breakdown experiments on three rocks (granite, sandstone, and limestone) show sensitivity to rock properties associated with subcritical crack growth as well as fluid viscosity and ambient confining pressure applied to the specimens. A new hydraulic fracture initiation model accounting for subcritical crack growth and fluid flow in a poroelastic medium, as well as the additional energy dissipation required for fluid flow in the rough fracture tip, is then used to estimate the value of the subcritical index n based on characterization experiments. Given this characterization data, the model is shown to be capable of predicting time-dependent hydraulic fracture initiation with variation of fluid viscosity and confining stress. © 2020. American Geophysical Union. All Rights Reserved.
英文关键词	hydraulic fracture initiation; laboratory experiments; numerical simulation; rock mechanics; subcritical crack growth; time-dependent failure
语种	英语
来源期刊	Journal of Geophysical Research: Solid Earth
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/187905
作者单位	Department of Civil and Environmental Engineering, University of Pittsburgh, Pittsburgh, PA, United States; Now at National Energy Technology Laboratory, Morgantown, WV, United States; Formerly at Schlumberger-Doll Research, Cambridge, MA, United States; Schlumberger-Doll Research, Cambridge, MA, United States; Schlumberger Dhahran Carbonate Research, Dhahran, Saudi Arabia; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, United States; Now at McKinsey & Company, Lagos, Nigeria
推荐引用方式 GB/T 7714	Lu G.,Gordeliy E.,Prioul R.,et al. Time-Dependent Hydraulic Fracture Initiation[J],2020,125(3).
APA	Lu G..,Gordeliy E..,Prioul R..,Aidagulov G..,Uwaifo E.C..,...&Bunger A.P..(2020).Time-Dependent Hydraulic Fracture Initiation.Journal of Geophysical Research: Solid Earth,125(3).
MLA	Lu G.,et al."Time-Dependent Hydraulic Fracture Initiation".Journal of Geophysical Research: Solid Earth 125.3(2020).