Drill Collars

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These thick walled, heavy steel tubular apply weight to the bit. Western Drilling's drill collars typically have an outside diameter of 3 1/2” to 11” and a length of 1’ to 30’ ft; they are machined from high strength alloy steel (AISI 4145H MOD ).

WDT can also supply Spiral Drill Collars and can machine elevator reliefs upon customer request. Custom Drill Collars as well as any custom drilling tools are also offered. 

Typical Connectors for the WDT Drill Collar Include: 

  • API IF 2" to 5-1/2"
  • API REG 2-3/8" to 8-5/8"
  • API FULL HOLE 2-7/8" to 6-5/8"
  • API XTRA HOLE 2-7/8" to 3-1/2"

For more information and product availability, Contact Western Drilling Tools at 1.888.410.0826.

Drill Collars | Western Drilling Tools Inc.