Eni has recently made significant new onshore and offshore discoveries in different countries around the world. The most recent is the Zohr field in Egypt.
Exploratory operations begin with geophysical prospecting, which includes operations for the identification of the traps (tanks in the rock that allow for the formation and accumulation of hydrocarbons). A seismic survey is usually conducted to reconstruct the stratigraphy of the rocks that make up the subsoil and, in favourable cases, to provide through further processing additional information about their lithological structure and the nature of the fluids contained.
Exploratory wells are used to determine whether the trap contains hydrocarbons, their nature and quantity, while a direct examination of the rocks and fluids helps us check whether the geological model of the subsurface meets with expectation. In coastal areas, exploratory wells are drilled from plants mounted on self-lifting or semi-submersible mobile structures and drilling vessels.
Continuous research: we have recently discovered new fields and completed exploring new reservoirs.
Continuing strong exploration track record. Discovered 1.1 billion boe of additional resources at a cost of 0.6 $/boe. Additions to the Company’s resources backlog were 3.4 billion boe in the last three years, at a cost of 1 $/boe. Promising new prospects to be drilled in future years. Our dual exploration model proved to be successful (sale of 40% of Zohr).
In 2016, a total of 16 new exploratory wells were drilled (10.2 of which represented Eni’s share), as compared to 29 exploratory wells drilled in 2015 (19.1 of which represented Eni’s share) and 44 exploratory wells drilled in 2014 (25.8 of which represented Eni’s share).
Estimated net proved reserves at December 31, 2016 amounted to 7.5 bboe based on a reference Brent price of $42.8 per barrel. Organic reserves replacement ratio surged to 193%, the best ever performance in Eni's history. The 2016 reserves replacement ratio remains very robust at 139% also considering the 40% sale of Zohr on a pro forma basis. The reserves life index was 11.6 years (10.7 years in 2015).
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