螺旋式扶正器与钻铤组合满眼防斜钻具在基岩地层深水井施工中的应用
라선식부정기여찬정조합만안방사찬구재기암지층심수정시공중적응용
Application of spired stabilizer and collar combination of packed hole anti-deflection drilling tool to well drilling in deep-seated bedrocks
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