On 24 December 2020, PEMEX suspended with oil reported in the Xolotl 1EXP new-field wildcat (NFW) in the AE-0151-Uchukil entitlement block in the offshore Sureste Basin and it is in the south-central area of the block near to Xanab field. The NFW was spudded on 3 October 2019. The well reached a final total depth of 3,890 m in late-November 2019. PEMEX has 100% working interest in this contract.  The NFW had a proposed total depth (PTD) of 3,890 m and was targeting the Upper Miocene in a combination trap from 3,640 m to 3,840 m, with an estimated unrisked prospective resources for the lead of 81 MMboe.  It was drilled by "West Courageous" J/U in water depth of 22 m. PEMEX estimated the drilling cost on USD 22.5 million at 1 USD to 20 MXN, and the completion cost on USD 9.75 million.  On 28 August 2019, SENER granted the AE-0151-Uchukil entitlement to Pemex 100%, and it covers 1,110.95 sq km.    On 2 October      2019, PEMEX was granted approval by the CNH for the first exploration plan      related to the 1,103.58 sq km AE-0151-Uchukil entitlement block that      includes geophysical and geological studies and the drilling of three      commitment new-field wildcats (NFW) including the Xolotl 1EXP NFW.
Mexico (Sureste B.) Xolotl 1EXP op. by PEMEX (100%) in AE-0151 Area A block, TD = 3890 m, WD = 22 m, suspended oil mid-Jan '20 at TD 3,890m. Target U. Miocene.