During fracture propagation driven by detonationgas in oil well, dynamic response of crack surface under the gas pressure results in fast fracturing.
油井爆生气体对岩石劈裂作用过程，是裂缝面对动态荷载响应并使其发生动态扩展的过程。
2
The results show that the detonation characteristic of gasdetonation spray gun mainly depends on different gasdetonation system and mixed gases matching.
结果表明，爆炸喷涂气相爆轰系统爆轰特性主要取决于气相系统的选择和初始混合气体配比。
3
On the basis of field experiment, the practical application properties of gasdetonation system is investigated.