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Opuama

Opuama

The Opuama field was returned to production in February 2014 with the Opuama-1 well. Further infill wells were completed on Opuama-3, Opuama-7, Opuama-8, Opuama-9, Opuama-10 and Opuama-11 between April 2016 and October 2018.

OML 40 was awarded to SPDC in 1962; the Opuama field was in production from 1975 until 2006 and during that period produced 43.4 mmbbls. In 2006, SPDC undertook a controlled shut down of OML 40, with Elcrest Exploration & Production Nigeria Limited subsequently purchasing a 45% interest in the OML 40 licence in September 2012.

 

  • Type: Oil reserve
  • Production: 25,000 barrels of oil per day (bopd) achieved in July 2018
  • Discovered: 1972
  • Gross 2P Reserves: 45.4 mmbbls
  • Location: 92km NW of Warri
  • Reservoir Depth: 7,600–8,900ft

Reservoir Characteristics

The reservoirs contain light crudes with API gravities ranging from 47.5° in the shallow reservoirs to 37.8° in the deep and saturated reservoirs. There has been very little pressure depletion over the 30 plus years of production, which indicates a strong aquifer support and consequently leading to very high total ultimate oil recoveries.

Infrastructure and Export

Oil can be exported by two routes: either via the Shell-operated Trans Escravos Pipeline network running from the Opuama field south along the coastline to the Forcados Oil Terminal, or via shipping to an offshore FPSO.

The Opuama-7 sidetrack completed in November 2017 and proved to be an excellent well, delivering initial production rates some 25% ahead of pre-drill expectations.

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Opuama-8 was the first new well to have been drilled in the Opuama field since 1980, and resulted in another success with initial flow rates in excess of 6,500 bopd.

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Opuama-9 achieved initial flow rates of 7,000 bopd in July 2018.

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The drilling of Opuama-10 was completed in August 2018.

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