bit deflection
... bit cuttings 钻屑 bit deflection 钻头偏斜 bit density 位密度 ...
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钻头偏斜力 bit inclination force
全径偏斜钻头 full gauge deflecting bit
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采用绳索取心钢球支撑小径锥面钻头定位偏斜技术对事故进行处理，经济有效。
Small diameter cone bit positioning deflection by wire-line coring with steel ball supporting was used to solve the problem economically.
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