The practice of subterrene drilling indicates that this method not only adapts to geothermal well, but also is a new pipeless reinforcement method to be applied widely.
热熔钻进
实践证明，该方法不仅适用于地热钻井，
可以
为一
无套管护壁方法推广应用。
)熔岩钻The practice of subterrene drilling indicates that this method not only adapts to geothermal well, but also is a new pipeless reinforcement method to be applied widely.
热熔钻进实践证明，该方法不仅适用于地热钻井，可以为一无套管护壁方法推广应用。
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