Schlumberger Technology Corporation

Services Petroliers Schlumberger

Schlumberger Holdings Limited

Prad Research and Development Limited

Frank Andriessen

Mirjam Zwanenburg

Matthias Heil

An embodiment of a method for forming slots in a wellbore casing, comprises providing at least one cutting tool, the cutting tool comprising at least a jetting assembly and an indexing assembly, disposing the cutting tool into the wellbore via a conveyance, stopping movement along the wellbore axis of the cutting tool, and forming slots in the casing by actuating the indexing assembly such that the jetting assembly forms slots in a predetermined pattern in the casing. In an embodiment, the method further comprises flowing a material into the slots formed in the casing to seal the wellbore.

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Coevorden, Netherlands

Frank Andriessen