Cairn Energy has provided an update on its operations in the North Sea, West Africa and Latin America.
The contract requires the company to drill a series of onshore directional wells, with target depths in the 3000 m range.
Mexico's President Andres Manuel Lopez Obrador made the announcement at a press conference this week.
The Zama appraisal programme in Block 7 in Mexico's Sureste Basin is operated by Talos in a consortium with Sierra Oil & Gas and Premier Oil.
GulfSlope Energy will retain and deploy a supra salt evaluation team consisting of three geoscientists and a manager to identify, evaluate and recommend targets for lease acquisition, farm-in and drilling.
The company's interest has been sold to the existing partners in the Block 5 exploration licence, subsidiaries of Murphy Oil Corporation, Wintershall Dea and Petronas.
The engineering work is expected to begin immediately, and the contract will be reflected in McDermott's 2Q19 backlog.