According to local reports in May 2019, state company YPF has completed the Entre Lagos 1H horizontal new-field wildcat (NFW) well with assumed oil discovery in the Vaca Muerta Formation shale on its 100%-held Loma La Lata-Sierra Barrosa block in late-March 2019. Production testing was completed between the interval of 3,075 to 4,995 m (10,089 to 16,388 ft) in February 2019. The well reached its total depth (TD) of 5,047 m (16,558 ft) in late-December 2018 after it was spudded in early-November 2018.  Loma La Lata-Sierra Barrosa block covers 1,661 sq km of land in the Neuquen Embayment and Huincul Uplift parts of Neuquen Basin.  Background Information    Loma La Lata field was the best producing conventional field in Argentina in 2018 with average production rate of 28.9 Mbo/d and 352 Mmscfg/d. The block is situated directly next to YPF and Chevronâs Loma Campana block, where the best Vaca Muerta oil producer field of the same name is located with average producing rate of 10 Mbo/d in 2018.
YPF has completed the Entre Lagos 1H horizontal new-field wildcat (NFW) well with assumed oil discovery in the Vaca Muerta Formation shale on its 100%-held Loma La Lata-Sierra Barrosa block