Case Study Casing Running Tool CRTi ™ The Challenge Casing while Drilling (CwD) 9-5/8” surface casing on four oil wells ranging from 1300’ to 1800’ measured depth. The major challenges included: • High drilling costs. • Need to increase drilling efficiency. • Need to improve drilling performance. • Removing any stuck pipe risks. • Minimizing fluid losses. • Maximizing rig and rig crew capabilities for “off-site” works completed where normal dr

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