SPIRAL DRILL COLLAR
SPIRAL DRILL COLLAR
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CASING | Description & Specification Size: 4-1/2”-13-3/8” Grade: J55,K55,N80,L80,C90,T95,P110,V150 Thread Type: STC, LTC, BTC Length: R1, R2... |
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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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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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DRILL BITS | LUHAI PDC bits are designed professionally for different formations to meet with various drilling applications. ROP and durability improvements are... |
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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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