Three of the world's largest oilfield service companies, SLB (formerly Schlumberger), Halliburton and Baker Hughes, have publicly stepped back from hydrocarbon work near the Malvinas (Falkland Islands) as Argentina's sanctions campaign over the islands collides with the far larger opportunity the companies already have in Vaca Muerta.
SLB said in a statement that it is "not participating, nor does it plan to participate, in any bidding processes" tied to Malvinas (Falkland Islands) hydrocarbon projects, adding that it "reaffirms its commitment to compliance." Halliburton and Baker Hughes issued similar statements emphasizing their regulatory compliance in Argentina, where both maintain substantial operations.
The economics make the calculation straightforward. Vaca Muerta is an established, low-risk shale play with a production horizon analysts put at a century, and output is projected to reach roughly 1 million barrels a day by 2028 and more than 1.5 million by 2032. The proposed Sea Lion project in the Malvinas (Falkland Islands), led by Navitas Petroleum and Rockhopper Exploration, remains speculative by comparison, with estimated output ranging from 50,000 to 200,000 barrels a day.
President Milei's government has sanctioned dozens of companies and individuals it says are operating without Argentine authorization near the islands, expanding the list from 45 to 60 entities in recent weeks, and has filed criminal complaints naming executives personally rather than only the companies they work for.
Argentina has also been actively courting the same service companies into Vaca Muerta through its own incentive schemes, including RIGI, the large-investment regime that offers extended fiscal, customs and currency benefits to major energy projects. For firms like SLB, Halliburton and Baker Hughes, the contrast between a heavily incentivized, low-risk market at home and a sanctioned, legally exposed one off the Malvinas (Falkland Islands) makes the decision less a political statement than a business one.
Analyst Daniel Dreizzen said the moves give Argentina new leverage to use its hydrocarbon sector as diplomatic pressure in a territorial dispute that has been largely stalled for decades, adding that the country now has real clout in ways it lacked in past rounds of the conflict.
None of the three companies has framed its decision as a direct response to Argentine pressure. But with Vaca Muerta offering scale, certainty and government incentives, and work near the Malvinas (Falkland Islands) now carrying legal and reputational risk in Argentina, the practical effect is the same: the companies have effectively chosen sides.
The withdrawals add an economic front to a dispute that has largely played out in diplomatic statements and military posturing. Whether other oilfield service and engineering firms follow SLB, Halliburton and Baker Hughes could determine how viable Sea Lion remains as a commercial project, regardless of how the underlying sovereignty dispute is eventually resolved.