From the analysis, we can found that the azimuth of the perforation is very important for fracture shape and the effect of hydraulic fracturing operation.
分析表明，射孔方位对水力压裂裂缝的形态、压裂施工的效果至关重要。
2
There are 2 new well completions, that are hydraulic sand jet perforation and hydraulic slotted liner technique.
有2项新型完井工艺，即水力喷砂射孔和水力割缝。
3
It is concluded in this paper that the perforation will effectively influence and control the multi fractures during hydraulic fracturing.