Schlumberger

Tech Report: Operator Saves Rig Time and Cuts Costs with Cased Hole Whipstock System, GOM

TrackMaster CH system set and achieved casing exit at 80┬░ left of high side in near-horizontal well

Operator Saves Rig Time and Cuts Costs with Cased Hole Whipstock System, GOM

Publication Date: 09/03/2015

An operator wanted to sidetrack a horizontal well at 86.1° inclination, but the high angle made it difficult to deliver the whipstock assembly to setting depth. A system that allowed for pushing on the whipstock tip was needed; a conventional one-trip system could not be used because a load would have been applied to the shear bolt, risking premature separation. A cased hole whipstock system combined with a hydraulic coupling locator eliminated a dedicated casing collar locator trip and the operator completed the window 80° left of high side, allowing the directional assembly to pass through and reach TD.




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TrackMaster CH Cased Hole Whipstock System

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The TrackMaster CH cased hole whipstock system delivers quality, full-gauge windows for exiting steel casing.