中英▼

  • The technologies of hole stability and sealing by pressurization, cementing and reservoir protection were formed.

    形成了井壁稳定与承压堵漏技术、固井技术和油气层保护技术。

    youdao

  • The technologies of hole stability and sealing by pressurization, cementing and reservoir protection were formed.

    形成了井壁稳定与承压堵漏技术、固井技术和油气层保护技术。

    youdao

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