Technical parameters Product Description Non - magnetic drill pipe is the auxiliary equipment of measurement while drilling in directional drilling. It is an important part of direction
news more磁性能:相对磁导率ur<1005,磁感应强度梯度≤0.04uT;晶间腐蚀:无磁制品按ASTMA262E法试验,试样无晶间腐蚀裂纹
news more超声波探伤:按ASTME114的标准进行100%的检测,验收标准符合AP17-1中的规定;晶粒度:钢材的晶粒度应大于5级。
news moreNon-magnetic drill collar types 1. Non-magnetic drill collars are generally produced in accordance with API7-1 standards, with a length of 30FT or 31FT, i.e. 9150mm or 9450mm. 2.2, according to t
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15922134617 Mr Mao
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13511685966 Mr li