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Case History: JetRotor™

Cement Milling

April 17, 2013 | by Admin

In this remedial job the customer needed to remove cement from 12525 to 13590 feet of 3-1/2” casing.  A motor and 2-7/8-inch mill were used to drill out the cement leaving a sheath of cement.  A 2-1/8” JetRotor™ was run with XL jets to remove the remaining cement.  The tool was run over the 1000 foot interval three times with heavy returns of cement particles at surface.  300 feet of cement debris remained in the bottom of the well after the last pass indicating  complete cleanup.   The entire job was completed in 11 hours.