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Drill Collar

Application: Used for well drilling

Specification: OD: 60.32mm ~ 168.28mm

                          WT: 7.11mm ~ 9.19mm

                          LENGTH: R1, R2, R3

Standard: API 5DP E 75/X 95/G 105/S 135

Process Type: Seamless (SMLS), Electric Resistance Welded (ERW)

End: Beveled, Square Cut

Surface: Anti-corrosion Water Based Paint

Packing: Protection Caps in both end, Waterproof Paper Wrapped, Two Tags