Abstract:A semi-submersible drilling rig chosen to perform the subsea well abandonment. The campaign consisted of abandoning four development wells which were completed with Horizontal Xmas Tree and having sustained casing pressure. In this paper, the methodology for performing the plug and abandonment of each well was divided into four main phases. Secure wellCut and retrieve TubingReservoir plugRemediation of sustained casing pressure
The cleanliness of the Chirstmas Tree VX sealing profile is crucial … Show more
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