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6
Sledgehammer™ Hydromechanical Drilling Jar
Sperry Drilling Services' Sledgehammer™ HMD (hydromechanical drilling) jar (mechanical down, hydraulic over, mechanical up) is run in the drillstring BHA to free the drillstring under stuck conditions. It helps reduce nonproductive time, is suited for hot
Dec 2007
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XR™ Reamer
The XR reamer provides reliable hole enlargement while minimizing BHA vibration and can be deactivated to improve cleaning while tripping out.
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