保加利亚索菲亚地质研究院研制的新式钢丝绳取心技术已取得明显的经济效益。该技术采用具有特殊固定机构的取心筒和减震器，能实现小井眼连续取心作业。在取心作业过程中，依靠重力或使用打捞商将取心筒下到井内，取心筒的工作部件通过取心筒内筒固定到工作位置。磨损的取心钻 The new wire rope coring technology developed by Bulgaria’s Sophia Institute of Geology has achieved significant economic benefits. The technology uses a special fixing mechanism of the coring cylinder and shock absorber, can achieve a small hole continuous coring operations. During coring operations, the coring tube is lowered into the well, relying on gravity or using a salvager, and the working components of the coring cylinder are secured to the working position by a coring cylinder. Worn core drill