To understand the variation in fracture propagation trajectories caused by lithological abrupt changes when hydraulic fractures encounter stratum interfaces, this study investigates the propagation ...

From North Dakota to Texas to Pennsylvania, hydraulic fracturing has transformed many places in America into energy powerhouses. But while some see the new energy boom as benefiting the local economy, ...

Vibration testing is crucial to modern industry’s basic research and product development. It is widely used in equipment manufacturing, energy power, aerospace, offshore vessels, and coal mining, ...