Rotor Surface Treatment
Special chromium plating method can control the ratio of the valley/peak chromium coating to 1:1. Tungsten carbide coating of rotor can enable the
rotor to work normally in saturated saltwater mud, which successfully prevents the corrosion of chrome plated rotor by saturated saltwater
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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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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 s... |
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NON-MAGNETIC SUB |
LUHAI can manufacture various kinds of non-magnetic sub as below and provide OEM services as drawings.
Replacement of Halliburton 350,650 and1200 |
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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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