... wayshaft 摇臂轴 way-type drilling unit 组合钻具 weak brake spring 弱制动弹簧 ...
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满眼组合钻具 full-packed asembly
稳定组合钻具 Stable combination of drilling
底部钻具组合 BHA ; bottom assemblies ; Bottom Hole Assembly
钻具组合 drilling assembly ; drill string assembly ; BHA
组合下部钻具 make up bottom hole assembly
进取性钻具组合 aggressive assembly ; ag GREssive assembly
满眼钻具组合 packed hole assembly
稳斜钻具组合 angle holding assembly
下部钻具组合 Bottom Hole Assembly
这种转向系统主要由圆筒式壳体、定位器、螺旋转套、斜向器和造斜组合钻具等组成。
The new whipstock system is mainly comprised of cylindrical case, localizer, spiral rotating sleeve, whipstock and deflecting tools.
采用组合钻具进行跟管钻进，通过随钻跟入的套管保护孔壁，解决因钻孔垮塌导致钻探效率和岩心采取率低等技术难题。
The problems of low drilling efficiency and low core recovery due to borehole collapse were solved with pulling in casing while drilling through using combined BHA with casing.
钻具组合上有扶正器可使套管鞋反向定位以减少套管内钻具组合的侧向移动。
A stabilizer on the BHA positioned opposite the casing shoe reduces lateral motion of the assembly inside the casing.
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