This paper introduces the criterion of selecting pump, detonation mode, principle and action of inner blind holeperforator and tubing pump joint technology.
介绍了内盲孔射孔器与管式泵联作技术的选泵标准、起爆方式、原理和流程以及内盲孔射孔器的研制。
2
The mega perforator can be used in an open hole to reduce formation damage.
大射孔器可在裸眼井中使用，以减小地层损害。
3
By use of oriented perforator, a certain variance of Angle and azimuth between actual perforated hole and former design is made which mainly caused by hole trace, perforated hole Angle.