Vista Energy收购了Petronas E&P Argentina的全部股权，后者持有位于阿根廷瓦卡穆埃尔塔的La Amarga Chica非常规油气特许权（LACh）50%的运营权益。LACh剩余的50%权益由该特许权的运营商YPF持有。

LACh 油田位于瓦卡穆埃尔塔 (Vaca Muerta) 的黑油区，占地 46,594 英亩。截至 2024 年 12 月 31 日，该油田共有 247 口油井投入生产。此外，根据阿根廷能源部长的数据，截至 2023 年 12 月 31 日，LACh 油田拥有 2.8 亿桶油当量 (MMboe) 的 P1 储量（按 100% 的开采权益计算）。

据阿根廷能源部长称，2024年第四季度，拉赫蒂（LACh）在100%权益率下，日产量为79,543桶油当量（boed），其中石油产量为71,471桶/日（bbld）。Vista估计，拉赫蒂可能拥有400个新井位可供钻探（以100%权益率计算）。

Vista Energy acquired 100% of the capital stock of Petronas E&P Argentina, which holds a 50% working interest in La Amarga Chica unconventional concession (LACh) located in Vaca Muerta, Argentina. The remaining 50% of LACh is held by YPF, which is the operator of the concession.

LACh spans across 46,594 acres in the black oil window of Vaca Muerta. As of 31 December 2024, it had 247 wells on production. In addition, as of 31 December 2023, LACh had 280 million barrels of oil equivalent (MMboe) of P1 reserves according to the Argentine Secretary of Energy (at 100% working interest).

During the fourth quarter of 2024, LACh produced 79,543 barrels of oil equivalent per day (boed) at 100% working interest, of which 71,471 barrels per day (bbld) were oil, according to the Argentine Secretary of Energy. Vista estimates LACh could potentially hold 400 new well locations to be drilled in its inventory (at 100% working interest).