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Question 1

1 Phases of Exploration in Ghana

Question 2

The synopsis of the history of Ghana’s hydrocarbon exploration under each of the country’s constitutional milestones (period) is as follows:

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• Initial Exploration Phase: 1896 –1967

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• Second Exploration Phase: 1968 –1980

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 Intense exploration activity in the offshore

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 31 wells drilled

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3 discoveries (Cape Three Points

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• Third Exploration Phase: 1981- 2000

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 New regulatory and legal framework established

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 Exploration Program intensified further

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 Comprehensive Exploration Promotion Program

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• Current Exploration Phase: 2001 –To Date

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 Focus on Deepwater

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1.2 Upstream Development in Ghana

Question 14

Ghana has four (4) distinct sedimentary basins. These sedimentary basins are

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1. Western (Tano-Cape Three Points) Basin

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2. Central (Saltpond) Basin

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3. Eastern (Accra-Keta) Basin

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4. Inland Voltaian Basin (onshore)

Question 19

21 Figure 1 Sedimentary Basins in Ghana

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The first three (3) are offshore basins

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and these are fairly well explored with Saltpond as the country’s first commercial oil production field commencing in 1978. The Voltaian Basin however

Question 21

The Voltaian Basin Project is currently being undertaken by GNPC with objectives including:

Question 22

• Enhancing the knowledge base of the relatively unexplored basin which would inform the effective development of exploration programmes in the near future

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• De-risking the basin to justify further investment

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• Building capacity of GNPC for operatorship Figure 3 Voltaian Basin Project- Seismic lines superimposed on Geological Map 1.2.1 Seismic Line Statistics of the Voltain Basin Total estimated line length = 2520.15 km

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• Phase 1 = 1871.15 km (13 lines)

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• Phase 2 = 649 km (7lines) 23 Natural gas utilization in Ghana started with