Why It Matters
Some offshore oil and gas operators have failed to meet cleanup obligations, leaving the federal government exposed to costs that financial guarantees may not cover. A new Congressional Research Service (CRS) report places that offshore decommissioning gap alongside proposed changes to the guarantees and alternatives to removing structures.
The Interior Department reported $129.9 million in uncovered liability for existing orphaned facilities as of October, after applying lessees’ financial assurances. Those are facilities that operators were unable to decommission and whose predecessor lessees were unavailable to do so.
The Big Picture
Federal rules generally require lessees to plug wells, remove facilities and clear obstructions when offshore infrastructure is no longer useful. Some obligations also extend to predecessor lessees, making their responsibilities relevant when a current operator does not complete the work.
In a 2024 report, the Government Accountability Office found that more than 500 platforms and 2,700 wells in the Gulf were overdue for decommissioning. The office identified safety and environmental risks from deteriorating idle infrastructure, including risks to workers and potential spills.
CRS also cited a Government Accountability Office estimate that, as of June 2023, the Interior Department held about $3.5 billion in supplemental bonds against $40 billion to $70 billion in estimated decommissioning costs. The report said the federal government would face at least $36.5 billion in uncovered costs if current and predecessor lessees failed to meet all their obligations.
The Bureau of Ocean Energy Management proposed revisions in March that would reverse some 2024 financial-assurance changes. The bureau estimated the proposal would reduce existing lessees’ obligations by about $6.2 billion, and Interior had not issued a final rule as of Oct. 29.
Congress has considered enforcement, bonding and appropriations as well as alternatives to full removal. One existing approach allows some structures to remain offshore as artificial reefs rather than requiring their complete removal.
Some lawmakers and other stakeholders favor expanding reefing, citing potential benefits for fisheries and marine industries. The report describes possible environmental and navigation risks and says ecological findings are mixed and may depend on species and location.
The Bottom Line
President Donald Trump’s Sept. 17 executive order directs the Interior Department to establish an offshore reef-in-place program within 60 days. That sets a Nov. 16 deadline for the program. The department also anticipated proposing a rule in July 2027 to make toppling structures in place the default method under specified circumstances.
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