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Application of Airlift Reverse Circulation Drilling in Jingre 164# Well of 3 512 m Depth
详细信息   
摘要

///Through many times of technical innovation and production practice, 3512 m drilling depth has been achieved by air-lift reverse circulation drilling technology. Compared with the slurry positive circulation, leakage in target layer is controlled by higher efficiency, lower cost, easy well-washing and completion.

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