一种张翼扩孔钻头
By using the structural design of the wing-type reaming drill bit and the combination of a steel cable retrieval device and a counterweight, the expansion and recovery cycle of the cutting wings can be achieved, solving the problem of multiple tripping in deep-sea drilling and improving drilling efficiency.
CN116988737BActive Publication Date: 2026-07-17EXPLORATION TECH RES INST OF CHINESE ACADEMY OF GEOLOGICAL SCI
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- EXPLORATION TECH RES INST OF CHINESE ACADEMY OF GEOLOGICAL SCI
- Filing Date
- 2023-09-11
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing reaming drill bits are inefficient in deep-sea drilling, requiring multiple tripping and dredging operations to replace the drill bit, resulting in high tripping and dredging time costs.
Method used
By employing a wing-type reaming drill bit, and through the cooperation of a steel cable retrieval device and a counterweight, the expansion and retrieval of the cutting wings can be achieved in a cyclical manner, reducing the number of drill bit replacements and improving drilling efficiency.
Benefits of technology
It enabled drilling operations that required two or more well openings, significantly reducing workload and time, and increasing production efficiency by 50%.
✦ Generated by Eureka AI based on patent content.
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Figure CN116988737B_ABST
Abstract
本发明公开一种张翼扩孔钻头，涉及钻探设备技术领域，本发明中的张翼扩孔钻头，主要结构包括钢缆打捞器、重锤、坐落短节、张翼钻头和引导钻头；张翼钻头的下端与引导钻头的上端相连接；张翼钻头与坐落短节相连接；坐落短节的上端与内平钻杆相连接；重锤设置于坐落短节和内平钻杆内部；钢缆打捞器的上端与钢缆的一端相连接，钢缆打捞器底部用于与重锤的顶部相连接。通过投入重锤，重锤通过自身质量作用于张翼钻头，使张翼钻头中的刀翼打开，待张翼钻头完成预定的工作量后，通过钢缆打捞器将重锤打捞回收，使张翼钻头的刀翼收回，实现张翼钻头中刀翼的扩张和回收，从而在不提钻更换钻头情况下完成两开次以上井眼的钻进工作，可极大提高生产效率。
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