The semisubmersible Ensco 8503 has spudded the Zama-2 appraisal well in Block 7 offshore Mexico, according to operator Talos Energy. The spudding of the well marks the start of the Zama appraisal program, which will consist of three reservoir penetrations, including two wells and one sidetrack. The first well, Zama‑2, will be drilled to the north of the discovery well and will collect information to better understand the reservoir’s aquifer support. The appraisal program is expected to be completed by mid-2019. The rig is contracted and will be used for the entirety of the appraisal program. Talos is the operator of Block 7, which includes Zama, with a 35% participating interest. Its partners in Block 7 are Premier Oil (25%) and Sierra Oil & Gas (40%).
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