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铅印
铅印有锥形铅印和平底铅印两种。它主要用于确定落鱼的位置和状况。需要确定套管的挤扁或破裂 部位时可以选用锥形铅印,鱼顶情况不清时应选用平底铅印。除此之外,平底铅印还可以用于测定钻头 和金属落物的位置和尺寸。
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Lead Print
Lead Print are divided into taper lead and flat lead.It is mainly used to judge the position and state of fish.When it is required to determine extrusion or broken position of casing,taper lead print can be used.If condition of fish top is unclear,the flat lead print should be used.While,the flat lead print can be used to measure bit,the position and size of metal fallen objects.
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