Based on clean production in oilfield, the technique of clampoff in well pulling, instruments and matching technique were optimized with a significant effect.
立足油田清洁生产，对修井冲砂工艺、工具和配套技术进行优化，应用后效果显著。
Based on clean production in oilfield, the technique of clampoff in well pulling, instruments and matching technique were optimized with a significant effect.
立足油田清洁生产，对修井冲砂工艺、工具和配套技术进行优化，应用后效果显著。
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