A Successful Sidetrack Operation in Malaysia Using a 9 5⁄8 in. TrackMaster CH* Whipstock System Demonstrates Outstanding Milling Performance; Saves Rig Time and Cost.

A sidetrack in 9 5⁄8 in. casing was successfully delivered in a single trip. The window was milled and an extended rat hole drilled in a total of 2.5 hours.

Result

• A successful 1-trip sidetrack achieved with no additional cleanout run.
• The casing window was milled and extended rat hole drilled in a total of 2.5 hours.
• The planned operational rig time for the sidetrack was reduced and saved costs.
• The subsequent 8 1⁄2 in. directional BHA passed successfully through the milled window and the well was drilled to Total Depth (TD), intersecting the desired target.

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*Mark of Wellbore Integrity Solutions.