斜孔鉆法 的英文怎麼說
中文拼音 [xiékǒngzhēnfǎ]
斜孔鉆法
英文
off-angle drilling-
The construction methods and caving protection measures for punching high thick and loosen soft coal seam in luling coal mine no. 2 dark tilt well in huaibei coal mine area are introducded. they include small section enlarged after the heading caving, high negative pressure and multi - raw drilling holes and strenous drawing - off, concentrated cross drill holes, cutting while drawing - off and putting the metal frame away
介紹了淮北礦區蘆嶺煤礦2主暗斜井採用小斷面導硐后刷大、高負壓多排鉆強抽,密集交叉鉆孔邊掘邊抽及設置金屬骨架施工方法和防突措施揭穿高突特厚松軟煤層。The basic conditions of verifying bore in wutunsuo mine, plans of rectifying deviation, installation and use of mwd directional drilling system, and problems encountered in construction are narrated
摘要敘述了武所屯井檢孔的基本情況,鉆孔糾斜方案, mwd定向鉆進系統安裝與使用以及施工中遇到的問題和解決辦法。The technical method of accurately determining bore - hole trajectory using common surveying instrument
應用普通測斜儀精確確定鉆孔空間軌跡的技術方法
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