Angola Block 17
Landmark: 2003 Offshore Technology Conference "Distinguished Award" Winner
Project Overview
- Contract Award: 1999 (Ph I), 2001 (Ph II), 2002 (Jasmim)
- Sales: Kongsberg, Norway
- Fab. Trees: Dunfermline, U.K.
- Fab. Controls: Kongsberg, Norway
- Service Base: Luanda, Angola
- Host Type: FPSO
- Contract Type: EPC
Project Characteristics
- No. Trees: 30 (Ph I), 5 (Ph II), 12 (Jasmin)
- Water Depth: 1,350 m (4,430 ft)
- Tree Type: Vertical
- Tree Pressure: 5,000 psi
- Tree Bore Size: 5"x2"
- Hydrocarbon: Oil
Project Ownership
- Total 40%
- ExxonMobil 20%
- BP 17%
- StatoilHydro 23%
Scope of Work
- Forty-seven (47) vertical 5"x2" 5,000 psi subsea trees
- Production Flowbase
- 18-3/4" UWD-15 subsea wellheads and running tools
- Tubing head adapters for use on existing wells
- Permanent guide bases
- One (1) gas gathering manifold (for transmission of dehydrated gas from Girassol and Dalia FPSOs to PLEM 17A or Girassol Injection Wells)
- Tubing hangers
- Two (2) installation and workover systems
- Fourteen (14) 2-slot production manifolds with pig loop Modules
- Well jumpers for production wells
- ROV-deployed Connector Actuation Tools (CAT)
- Umbilical termination heads
- Injection termination heads for the injection trees
- Flowline termination heads: monobore and multibore
- Hydraulic and electric flying leads to connect injection trees
- Topside production control systems, including hydraulic power unit, subsea power and communications units and subsea control unit
- Subsea control modules for trees and manifolds
Comments
The Girassol development is located off the coast of Angola, West Africa, Block 17 at a water depth of 1,350 m (4,430 ft). Hydrocarbons are produced via the subsea production system to an FPSO. The subsea production system comprises wellheads, trees, manifolds, flowline connection systems and control and well intervention equipment; based upon FMC’s modular guidelineless and remotely operated technologies.
Girassol represents one of the most ambitious field developments with a high degree of technological innovation in a new geologic area with aggressive cost and schedule targets. The project represents the first step to the industrial prototype of a series of major developments on the Block 17 offshore Angola.
Additional equipment added in 2007: two production subsea trees (delivery 2008 and 2009) and one production flowbase (delivery 2009).