Endeavor Management released a proposal for a joint industry project (JIP) to support the industry’s need for global best practice development in subsea decommissioning.
The genesis of this JIP is the work completed for Petrobras by Endeavor Management to research global best practices for subsea decommissioning. This study benchmarked Petrobras and five additional operators. This initial study highlighted the need to perform more evaluation of specific subsea decommissioning topics, which are covered in this JIP.
Companies who join Endeavor’s JIP study will benefit from the study’s focus on these areas:
Develop an economic model to predict costs using three basic vessel types (riserless light well intervention, workover vessel with small bore riser, and MODU (mobile offshore drilling unit)
Achieve MODU capabilities for subsea well plug and abandonment at a lower price
Examine resins as a replacement for cements in well plug and abandonment
Evaluate ways to improve methods and equipment to flush subsea infrastructure during decommissioning
Identify industry capabilities to perform cement bond logging beyond the first casing string
Evaluate cutting through multiple casing strings and downhole control lines for plug and abandonment activities
Identify ways to sense conditions in outer annuli of existing subsea wells
Improve the design of OEM (original equipment manufacturer) equipment and subsea Systems for more effective plug and abandonment in the future
Identify ways to measure and deal with well contaminants such as mercury, arsenic and NORM (naturally occurring radioactive material)
“Endeavor Management is excited at the prospect of advancing industry practices in subsea decommissioning. We see this as one of the major strategic issues to address as our industry responds to market dynamics,” said Bruce Crager, executive vice president of Endeavor Management.
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