井下定位爆破并破裂被封隔盐层的应用

Application of Directional Explosion in Down Hole and Fracture in Packed Salt Layer

运用井下定位爆破技术将被技术套管和水泥环封隔的上部岩盐揭露开通,并使其内部膨胀产生裂隙。从而实现岩盐矿层的分层开采,延长卤井服务年限,提高矿石采出率。本文详细阐述了爆炸过程中应力波的产生及传播,以及对封隔层和盐层的影响,并对其应用后的效果进行了分析。

Directional explosion in down hole is used to open up the upper salt layer packed by the technical casing and the cement ring so that the mining in separate layer is realized by the formation of fracture in the interior of the salt body, the service life of the well is elongated and the mining rate of the ore is increased. This paper details the formation and the propagation of stress waves during explosion, and the impact on the packed layer and salt stratum. Its application results are also analyzed.