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Drill Collars

Command Energy Services Ltd. drill collars are an integral heavy duty joint that are constructed of both standard and non-magnetic steel. Every drill collar is avaiable with a variety of customizable options to suit your requirements. Our standard collars are constructed from a solid bar of AISI 4145H modified alloy steel. Our non-mag collars are machined from solid austenitic stainless steel bars. All of our drill collars are manufactured in accordance with API spec 7, Q1 and recommended practice 7G, as applicable.