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Guizhou Viton Industrial Co., Ltd

Guizhou Viton Industrial Co., Ltd


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Drill Collar
Casing, Tubing & Drill Pipes


Drill Collar
The drill collar is a heavy walled joint of pipe frequently used just above the bit in the drilling string. It provides extra weight just above the bit. Standard: API SPEC 7-1 & NS-1 Type: Slick Drill Collar, Spiral Drill Collar, Flex Collar, Non magnetic Drill Collar. Size: 3 1/8" - 14" in various lengths.
Drilling Equipment Casing, Tubing & Drill Pipes
Variation #1 PN
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