用途打捞鱼顶变形，尤其对弯扁鱼头的遇卡油管更加有效。
It is more effective for fishing the blocked oil pipe with the distorted fish top, especially with flexing flat full head.
穿芯打捞技术是测井施工中仪器或电缆遇卡后常用的解卡方式。
The cut-and-thread fishing is usually used when the instrument string is stuck or the cable is stuck.
中原油田完井电测施工中常常出现遇阻、遇卡等问题，严重影响电测结果的准确度。
Drill pipe blocking and sticking frequently occur during completion logging in Zhongyuan Oilfield, and this seriously impacts the accuracy of logging results.
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