directional hole 中文意思是什麼

directional hole 解釋
定向井
  • directional : adj. 1. 方向的。2. 【無線電】指向的，定向的。
  • hole : n 1 洞，穴，孔；（衣服等上的）破洞；傷口；漏洞；窩，坑；水流的深凹處，（河道的）緩流窪。2 （獸的...
  1. Method of bottom hole assembly design in directional wells

    定向井下部鉆具組合設計方法
  2. 2 and 4 hole punch standard or 3 hole punch optional built in bi - directional de - curler

    2孔打孔和4孔打孔標準或3孔打孔可選
  3. Comprehensive gas drainage method with long directional drilling hole

    定向長鉆孔綜合抽放瓦斯方法
  4. High angle multi - target directional well drilling technology in long open hole

    長裸眼大斜度多目標定向井鉆井技術
  5. During the detail construction, this paper emphasized the importance and seriousness of designing tracking. when construction of directional hole, according to the demand of designing tracking, we choose suitable directional drilling machine and control equipment and emphasized the importance of slop prepare during the back - dragging

    在具體施工的過程中，本文強調了設計軌跡的重要性和嚴肅性，在施工定向軌跡時，一定要根據設計軌跡的要求，選擇合適的定向鉆機和導向設備，嚴格遵循設計軌跡進行施工，同時強調在回拖鋪管過程中泥漿配備的重要性。
  6. This paper effectively deals with water inflow for excavated and cast - in - place pile under water with the constrained condition and strata of large water content during the course of forming hole and casting pile by using triple tubes directional jet as waterproof curtain, to decrease the compression for river channel, and ensure safety and quality in the phase of construction

    摘要針對水中施工挖孔樁，條件受到限制、地層中含水量較大，為盡可能避免造成對河道的佔用與影響，採用三重管定噴技術做止水帷幕，有效地解決了成孔成樁過程中涌水等問題，保證了工程施工的安全與質量。
  7. Simulation method on directional drilling - hole course

    定向鉆孔軌跡的模擬方法
  8. Associated with a practical example of pipeline crossing with directional drilling technique in yizheng - changling crude oil pipeline, this paper analyzes the characteristics of crossing through rocky stratum with directional drilling, deliberates the stratum status, drilling machine selection, drilling tool assembly, direction control, mud control ; drilling process as well as emergency dealing scenarios at the stages of guiding - hole drilling, aperture expanding and back - towing

    摘要結合儀征長嶺原油管道洪湖長江定向鉆穿越工程實例，分析了管道定向鉆穿越長距離巖石層的特點，論述了定向鉆穿越巖石層的地層狀況、鉆具組合、控向措施、泥漿控制、鉆進工藝以及導向孔鉆進、擴孔、回拖階段的應急預案，針對在鉆導向孔過程中因泥漿壓力高、信號線多次出現被高壓泥漿沖壞、造成控向信號不穩定甚至中斷的情況，對信號線的安裝提出了改進措施。
  9. Experimental research on the directional hole - forming and delivering explosion in long - borehole of top - coal

    頂煤深孔快速定向成孔及輸送炸藥技術試驗研究
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