LBTN (ЛБТН) light-alloy drill pipes of nippel connection are manufactured of aluminium alloy. The pipes are interconnected into column with nippels having cylinder thread with stabilising belts. The latter increase the fatigue strength of pipe thread.
Technical specifications of drill string LBTN-54 (ЛБТН-54) |
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Designation of type&size |
Main parameters |
Designed weight of pipe, kg |
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Size of pipe, mm |
Thread |
Pipe length in assembly, m |
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External diameter D |
Wall thickness S |
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ЛБТН - 54 |
54 |
9 |
41,5*6,35 |
4,7 |
20 |
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Remark:
Certificate of compliance № РОСС RU.АЯ36.В21768 dated 15.05.2006 г.
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