• 1. 下加重钻杆: Run in HWDP
• 2. 加重钻杆: HWDP | extra-weight drill pipe | height weight drill pipe | Hevi-wall Drill Pipe
• 3. 无磁加重钻杆: mud-logging unit

更多释义

• 1.高强度石油钻杆在钻井设备和工具中占有十分重要的地位。
  Among oil well drilling equipment and tooling, the high - strength drill pipe plays a very critical role.
  dict.yoduao.com

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