Obtaining quantitative information on the state of stress in the crust can only be
accomplished by accessing the zone of interest by drilling. The borehole cavity, however …

This study aimed to determine the effects of different drying temperatures on the mechanical
properties of coal samples under axial compression. Processed, screened, and water …

Rock energy theory and its application have an important significance on the analysis of the
essential reason of rock failure, and the optimization of design and construction of rock …

Characterization of discontinuous media is an endeavor that poses great challenge to
engineers in practice. Since the inherent defects in cracked domains can substantially …

Distribution of joints and fissures under hydraulic coupling condition is particularly critical to
the stability of surrounding rock masses in underground engineering construction. In this …

Abstract The Polycrystalline Diamond Compact (PDC) cutter is a kind of rock breaking tool
that is widely used in oil and gas exploitation. PDC cutter directly contacts with the rock …

Pre-conditioning by hydraulic fracturing is a vital work in block caving mining of hard-rock
metal mine, and breakdown pressure is one of the important parameters in rock hydraulic …

In order to increase the productivity of extraction of hydrocarbons reservoirs, the well is
usually drilled in the direction of the minimum horizontal in situ stress, and hydraulic …

به منظور افزایش بهره‌وری استخراج هیدروکربن‌ها و گسترش ترک‌ها تا محل مخزن آن‌ها، ترک‌ها معمولا
عمود بر تنش حداقل و به صورت دسته‌ای رشد داده می‌شوند. از دهه اخیر، هر ساله در قاره‌ی آمریکا بیش از …‎

Understanding damage and body crack initiation and propagation in rocks subjected to
three-dimensional (3D) stress regimes is of fundamental importance for designing stable …