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Site-limited long-distance large-aperture horizontal directional drilling …

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申请人北京城建亚泰建设集团有限公司

发明人刘兵

公开号CN113482530B

授权号CN113482530B

申请日2021-08-20

公开日2022-10-14

授权日2022-10-14

摘要

The present application relates to a construction process for the back-to-back of long-distance large-diameter horizontal directional drilling pipelines with limited site, and relates to the technical field of pipeline installation, which includes the following steps: S1, hole cleaning; S2, trial …

Site-limited long-distance large-aperture horizontal directional drilling &hellip;

摘要

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Site-limited long-distance large-aperture horizontal directional drilling …