论文部分内容阅读
近年来，在钻探工作中已经普遍推广使用钻杆胶箍。在使用钻杆胶箍的情况下，怎样实现塔上无人操作，关键在于提引器。
In recent years, the use of drill collars has been widely promoted in drilling operations. In the case of using drill collars, how to achieve unattended operation on the tower is the extractor.