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The challenge faced by the Moho Nord project was how to simultaneously develop reserves from two distinct geological environments. Designed to produce discoveries made in the northern part of the Moho-Bilondo license, offshore the Republic of the Congo, Moho Nord came on stream in 2017. It’s our first deep offshore development to bring together two different production systems. 

Moho Nord was designed with separate production systems for reserves from two distinct geological environments:

  • Miocene turbidite channels (5 to 11 million years old) with a complex architecture, where sand and clay alternate at shallow depths below the seabed (1,100 meters).
  • Albian fractured carbonates (100 to 112 million years old), buried much deeper below the seabed (3,000 meters).

That’s why it was necessary to use two types of floating structure, located 350 meters apart and connected by six transfer lines. The floating production unit (FPU) Likouf extracts oil from the Miocene reservoirs via a subsea production system that has amply proved its worth in Total’s many deep offshore developments. It consists of a production loop and a number of extended reach subsea wells. The tension-leg platform (TLP) produces oil from the Albian carbonate reservoirs via wells with dry Xmas trees located on the TLP. Multiphase production from the TLP is then exported to the FPU.

bobine_ombilicaux_moho_nord_exploration_production_total

 

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