Directional/complex wells

Overcoming Challenges and Optimizing Liner Deployment in Long Laterals

A North Sea field development included installation of long 4½-in. completion liners in the horizontal reservoir sections of each well. To minimize overall risk, the operator planned to use managed-pressure drilling (MPD).

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Source: Getty Images.

A North Sea field development included installation of long 4½-in. completion liners in the horizontal reservoir sections of each well. To minimize overall risk, the operator planned to use managed-pressure drilling (MPD). Despite the expected positive effects of MPD, a strong understanding of the downhole dynamics during deployment of the lower-completion liner was needed. To address this challenge, the operator installed a newly developed work-string-dynamics logging tool directly above the liner-hanger-running tools.

Logging-Tool Technology Overview

The logging tool is a compact and robust memory-based surveillance tool made for drillpipe-conveyed well operations.

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