NON-MAGNETIC DRILL COLLAR
DeRunnon-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability. API monogram, serial number, OD,ID, type and size of connections are stamped on recessed mill flats.
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CORE BIT |
LUHAI core bit uses tungsten carbide matrix with a steel skeleton in it. The bits adoptparabolic, double cone, tapered step crown profile, and diam... |
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БУРОВОЙ МЕХАНИЧЕСКИЙ ЯСС ТИПА LHBZ |
Буровой механический ясс типа LHBZ является механическим инструментом для освобождения прихвата, он может создавать ударные нагрузки, направление у... |
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ROCK BIT |
ROCK BIT
LUHAI rock bit is the most popular one in use. When working, the cogging touch the bottom alternately, breaking torque and the contact... |
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FISHING TOOLS |
Releasing Slip Spear |
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FISHING TOOLS |
Die Collar |
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