• 提高绳索取心钻进效率做到:一是根据钻孔孔径钻孔所遇地层及其岩性完整程度、构造特点、风化带发育深度选择套管直径入深度;

    To raise wire-line drilling efficiency need to: 1. Select casing diameter and depth according to drilling depth, diameter, strata drilled and rock integrity, structure features, weathered layer depth;

    youdao

  • 提高绳索取心钻进效率做到:一是根据钻孔孔径钻孔所遇地层及其岩性完整程度、构造特点、风化带发育深度选择套管直径入深度;

    To raise wire-line drilling efficiency need to: 1. Select casing diameter and depth according to drilling depth, diameter, strata drilled and rock integrity, structure features, weathered layer depth;

    youdao

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