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heavy weight drill pipe

heavy weight drill pipe

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shanxi golden diamond petroleum drill tools co., ltd

shanxi golden diamond petroleum drill tools co., ltd

China

Miembro Básico

Persona de contacto Ms. Carolline

china, Taiyuan, Shanxi

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Description


The HWDP's uses AISI ***5H alloy structural steel, the technique of
 production exactly carries on the SY/T********7 standard, HWDP is one kind of
 medium weight and the drill pipe similar drilling tool, its wall thickness is thicker
than the drill pipe, is thinner than the drill collar, on its thick wall body connected
special and lengthen drilling joint. Generally adds between the drill pipe and the
drill collar, prevents to drilling string's sudden change, reduces drill pipe's
weariness; Uses in the directional well, might in compare the low torque in the
situation to sneak in high speed, reduces drilling string 's attrition and the
breakage. Because its rigidity are less than the drill collar, less contact area with
wall of a well , is also not easy to form differential pressure sticking.

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Ms. Carolline < shanxi golden diamond petroleum drill tools co., ltd >

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