TotalEnergies and Chevron Swap Gulf Exploration Interests
Deepwater operators can lower exploration costs by exchanging working interests in high-stakes offshore lease blocks.
Updated on Oct. 28, 2026 in Oil and Gas

Live Poll
Should oil companies be allowed to expand exploration leases in the Gulf of Mexico?
TotalEnergies has acquired a 25% working interest in 26 Chevron-operated exploration leases in the US Gulf of Mexico. As part of the same transaction, Chevron secured a 75% operated interest in two of TotalEnergies' existing leases.
Why it matters
This asset swap continues a consolidation trend for deepwater exploration in the Gulf of Mexico, allowing operators to share drilling costs and geological risk across a broader footprint. The strategy enables firms to balance their portfolios by trading interest in varying regions rather than relying solely on cash acquisitions.
TotalEnergies gained a 25% working interest in 26 Chevron-operated leases, 24 of which are in the Green Canyon area and two in Walker Ridge, while Chevron acquired a 75% interest in two of TotalEnergies' leases. Financial terms for the exchange remain undisclosed.
The players
TotalEnergies
A multinational integrated oil and gas major with significant global exploration and production operations.
Chevron
A global energy corporation and major operator of oil and gas assets in the Gulf of Mexico.
The details
The transaction involves deepwater exploration assets located between 150km and 250km from shore. By exchanging working interests, the companies effectively share the capital expenditure requirements and exploration burdens associated with these specific blocks. This deal builds upon a prior arrangement between the two firms that saw TotalEnergies acquire interest in 40 other leases in June 2025.
Timeline
June 2025: TotalEnergies acquired interests in 40 Chevron-operated leases.
October 28, 2026: TotalEnergies announced the acquisition of 26 new leases.
Market Landscape
This transaction follows the pattern set by the June 2025 lease acquisition agreement between TotalEnergies and Chevron, further centralizing exploration portfolios in the Gulf. It marks a continued effort by major operators to pool risk through equity swaps in deepwater offshore zones.
Operators in the offshore sector should monitor how these equity-swap arrangements affect cost-sharing and project timelines for service providers. Increased consolidation of leasehold interests may signal more concentrated procurement patterns for deepwater equipment and support services.
The takeaway
Large-scale operators are increasingly utilizing asset-exchange strategies to optimize offshore drilling risks without immediate cash outlays. Owners should evaluate whether similar portfolio-balancing swaps can reduce their own project exposure in high-capital exploration zones.
Further reading
For broader context on offshore drilling trends, read our Oil and Gas section.
Source note: This article includes information reported by Oil & Gas Middle East.
Live Poll
Should oil companies be allowed to expand exploration leases in the Gulf of Mexico?








