The difficulties of gas lift slag removal and the accidents caused by sticking drill. holding drill and even jet hole are always the important factors that baffle gas extraction technology of long boreholes along the bedding. In this paper. the numerical simulation and field test are used to study the numerical simulation test of gas lift slag removal in long borehole of bedding gas d... https://www.spidertattooz.com/Civil-Air-Patrol-Patch-National-Emergency-Services-Academy/