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本文推荐一种解除压差卡钻的新工具。它基本上是由成批生产的零件改制而戒的,包括: 1.改制的液压型套管或裸眼封隔器, 2.带有特殊心轴的钻杆抽子; 3.提升循环接头;
This article recommends a new tool to remove stick pressure. It basically consists of batch modifications of parts, including: 1. A modified hydraulic bushing or open-hole packer, 2. A drill pipe with a special mandrel. 3. A lifting recirculation fitting.