Exploring Deep-Rock Mechanics through Mechanical Analysis of Hard-Rock In Situ Coring System

Table 3

Hard-rock sampler drilling conflict matrix.

Types	Improved parameters	Deteriorating parameters	Invention principle
Technical conflict	(10) Force	(5) The area of the moving objects	(19) Periodic effect
			(10) Prerole
			(15) Dynamic characteristics
			(10) Prerole
Technical conflict	(11) Stress and pressure	(5) The area of the moving objects	(15) Dynamic characteristics
			(36) Phase change
			(28) Replace with mechanical system