P5SO Non-Magnetic Drill Collars m · P5SO Non-Magnetic Drill Collars m Prepared / released: a....
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P5SO Non-Magnetic Drill Collars m · P5SO Non-Magnetic Drill Collars m Prepared / released: a. Holper Date: ... eet all requirements of API Spec. 7.1, last edition. AE 114, last edition