论文部分内容阅读
文章介绍了L-12-1型用于管外先期防砂钻井工艺的扩孔钻头,归纳了一套实用的操作、使用要领。该型钻头的技术性能和使用效果均符合设计和生产的要求。
This paper introduces the reaming drill L-12-1 for pre-pipe sand control drilling and summarizes a set of practical operation and essentials. The technical performance of the drill and the use of results are in line with the design and production requirements.