YPF, in October 2019 tested oil after fracking the Al Sur del Lago x-1(h) horizontal NFW, on the Loma La Lata-Sierra Barrosa license in the Neuquen Basin. 33 fracking stages were conducted in September 2019 over the 2,333-4,289m gross interval. An average rate of 123 bo/d was tested during October as per federal SEN records. The well was spud on 19 April 2019 and ended drilling on 29 May 2019 using the DLS-167 drilling rig. It had a planned 2,160m TVD and 4,315m MD and is in the south central area of the block. In March 2019, YPF discovered oil and gas after fracking the Entre Lagos x-1(h) horizontal shale well in the central eastern portion of the block. A 25 stage frack was conducted over the 3,075-4995m gross interval. The company is also awaiting completion on the Lajas Este x-1 r+h horizontal sidetrack in the southeastern corner and on the Mirador de Barrosa x-1(h) NFW on the southwestern part of this extensive license. 
Al Sur del Lago x-1(h) horizontal NFW, on the Loma La Lata-Sierra Barrosa license in the Neuquen Basin. 33 fracking stages were conducted in September 2019 over the 2,333-4,289m gross interval. An average rate of 123 bo/d was tested during October as per federal SEN records. The well was spud on 19 April 2019 and ended drilling on 29 May 2019 using the DLS-167 drilling rig. It had a planned 2,160m TVD and 4,315m MD and is in the south central area of the block. In March 2019, YPF discovered oil and gas after fracking the Entre Lagos x-1(h) horizontal shale well in the central eastern portion of the block. A 25 stage frack was conducted over the 3,075-4995m gross interval. The company is also awaiting completion on the Lajas Este x-1 r+h horizontal sidetrack in the southeastern corner and on the Mirador de Barrosa x-1(h) NFW on the southwestern part of this extensive license. 