The scope of this license includes the following products: Kellys; Drill Stem Subs; Drill Collars; Heavy Weight Drill Pipe; Threading for Rotary Shouldered Connections; Stabilizers QMS Exclusions: Section 5.4, Design and Development

RDT ROTARY DRILLING TOOLS LLP 9022 Vincik Ehlert

Beasley, Texas

7-1-0601

7-1-0601

API Spec 7-1

Effective Date: JUNE 13, 2014 Expiration Date: MARCH 10, 2017