Block 13 - Leased blocks in the Liberia Basin
The Liberian Basin
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PSTM-PSDM Spec SheetLocation
Off the coast of Margibi & Grand Bassa
Block Status
Block is still in its first exploration period. No wells drilled
Block Contractor(s)
ExxonMobil 80%
COPL 20%
| Initial contract | |
| Signed | 2006 |
| Amended | 2006 |
| Ratified by Legislature | 2013 |
Production Sharing Contract : Based on Production levels
| Production Rate | NOCAL | CONTRACTOR |
| 0 to 100, 000 bpd | 40% | 60% |
| 100,001 to 150,000 bpd | 50% | 50% |
| >150, 000 bpd | 60% | 40% |
In case of Natural Gas :
| NOCAL | CONTRACTOR |
| 35% | 65% |
Production Sharing Contract (PSC)
Past and Present Exploration Activities
Chevron drilled in 1970 the IIB-1 well in shallow water with immature Oil show. Mixed oil & gas prone source rock and Oil show below -683 to -1000m and below the -2500m within the Early-Middle Albian. Oil show below -2700m in the Albian.Total Depth (TD) at -2930m.
Liberian Shelf Exploratory drilling prior to 1985 :
- Company : Chevron
- Well Name : IIB-1
- Surface Coordinates :
- X : 319292.35804
- Y : 647684.35327
- Total Depth : 2930.35000m
- Water Depth : 2930m
- Result : DRY HOLE