Simulation Experiment Research for Exploding in Fracture

WANG Jinzhu

Abstract


On the basis of low permeability exploiting statement, “Exploding in fracture” is present in this paper and the feasibility and safety of this technology is also analyzed. It is found that the rock damage and fracture by shock wave in “Exploding in Fracture” can be simulated by the experiment of exploding on the surface of the cement sample in deep water. The damage and fracture of the cement sample, and the wave propagation proceed, and the damage and fracture mechanism are described qualitatively. It is found that the micro-fractures and compacted wave have an intimate relationship with the initial damage of the sample. The numerical simulation result is accordant with the experiment result. It also concluded that the qualitative explanation of rock damage and fracture mechanism is right. The compacted damage zone has definite permeability, which has an important means to “Exploding in Fracture” technology.
Key words: Simulation experiment; Exploding in fracture; Damage and fracture

Keywords


Simulation experiment; Exploding in fracture; Damage and fracture

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References


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DOI: http://dx.doi.org/10.3968/j.aped.1925543820130502.1166

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