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Keywords horizontal drill hole;upward-deflective reason; 水平钻孔;上偏原因;
Keywords horizontal drilling whipstock drill stem motion; 水平钻井;转向器;钻柱;运动;
THE UPWARD-DEFLECTIVE REASON OF HORIZONTAL DRILL HOLE IN THE EAST STATION OF TIANANMEN 天东站水平钻孔上偏的主要原因
Keywords Horizontal drill;electrical method;thickness of coal layer;boundary element method;forwardmodeling; 水平钻孔;电法;煤层厚度;边界单元法;正演模拟;
Keywords horizontal drilling;hole trajectory control;MWD;wellhole cleaning;forecasting model; 水平钻井;井眼轨迹控制;MWD;井眼净化;预测模型;
Keywords horizontal well;casing program;hole trajectory;curvity;horizontal drilling;Carboniferous period;Ordovician period;Tahe Oilfield; 水平井;井身结构;井眼轨迹;曲率;水平钻井;石炭纪;奥陶纪;塔河油田;
Essential elements of drill hole. 钻孔具有的结构和尺寸因素。
Keywords horizontal drilling whipstock drill pipe force analysis finite element method; 水平钻井;转向器;钻杆;受力分析;有限方法;
Should Drill hole on the fuselage reinforcing plate. 要钻在机身的加强层板上。
He broached out the drilled hole. 他凿大钻孔。
Analysis of friction on drill string in horizontal drilling. 水平井管柱下入摩阻分析及应用。
horizontal drilling hole 水平钻孔
Most darts are marked with notches for the dart site and drill hole for the point at which the dart terminates. 大多数省道用刀眼作为省道定位标记,用钻眼表示省道终端。
Measure rough dimension of drilling hole. 测量打孔珍珠大致尺寸.
The contact between drillstring and bore hole wall in the process of horizontal drilling is of large area and geometrically nonlinear. 长中半径水平井钻柱与井壁的接触问题是大面积接触的几何非线性问题。
The plastic hose should have the correct external diameter in relation to the drill hole. 塑料软管的外径应该与炮眼直径相适应。
Levelling is usually carried out with vertical drill holes. 整平爆破通常用垂直炮眼进行。
The fact that the drill hole openings are located under water complicates charging work. 炮眼口位于水下，无疑会使装药工作复杂化。
Adjust bust point. Trace off form the draft, add seam allowances. Notch and mark drill hole for dart point. 调整胸点。从样板原图上描下,加缝份。打刀眼并标出省端点的钻孔位置。
They drill holes in the ice and drive light trucks over them. 他们在冰路上钻一些洞，然后驾驶轻型货车在路上开过。