Typhoon, Gulf of Mexico, USA
Key Data:
Name
Typhoon
Location
Blocks 236 and 237
Green Canyon area of the Gulf of Mexico
Green Canyon area of the Gulf of Mexico
Distance from land
100 miles off the coast of Louisiana
Water depths
2000ft
Equity
Chevron (operator) 50%
BHP 50%
BHP 50%
Peak production
40,000 barrels/day of oil
60 million ft3/day of gas
60 million ft3/day of gas
Field life of
Six to eight years
Production
Mini TLP
Topsides Structural Deck
Two levels consisting of a 110’x110’ Main Deck and a 110’x110’ Production Deck (nominal dimensions)
Major Process Systems (Oil System)
40 MBPD
2 stage separation (2 phase separation in HP Separator
3 phase separation in LP Separator)
2 stage separation (2 phase separation in HP Separator
3 phase separation in LP Separator)
Gas System
60 MMSCFD – 2 stage Main Gas Compression system
5 MMSCFD – 2 stage Vapour recovery compression system
Gas separation in both HP and LP separators
Gas dehydration system
5 MMSCFD – 2 stage Vapour recovery compression system
Gas separation in both HP and LP separators
Gas dehydration system
Produced Water System
15 MBPD Hydrocyclones with downstream Column Flotation Unit
Other Process Systems
Process heating & cooling system
Well and production chemical injection system.
HPU system for direct hydraulic control of subsea wellheads
Electronic production and emergency safety systems monitoring and control system
Well and production chemical injection system.
HPU system for direct hydraulic control of subsea wellheads
Electronic production and emergency safety systems monitoring and control system
Utility Systems
8500 kW main generator (2 units at 4250 KW each, dual fuel)
Buildings
One accommodations building with heliport
One MCC/Switchgear Building
One Storage/Shop Building
One MCC/Switchgear Building
One Storage/Shop Building
Structural Characteristics of SeaStar TLP Hull
Hull diameter 58’
Column extension 18’
Main Column length 130’ (+/- 3 ‘)
Four point topsides support
Column extension 18’
Main Column length 130’ (+/- 3 ‘)
Four point topsides support
Hull Systems
Ballast piping system
Valves and pumps
Tank level indication system
Service air system
Vent and sounding system
Ventilation, dehumidification, and AC
Valve control and indication system
Tendon tension and load monitoring system
Ten
Valves and pumps
Tank level indication system
Service air system
Vent and sounding system
Ventilation, dehumidification, and AC
Valve control and indication system
Tendon tension and load monitoring system
Ten
Mooring System
6 top transition joints
6 bottom transition joints
6 foundation piles
6 tendons
6 top connectors
6 bottom connectors
6 bottom transition joints
6 foundation piles
6 tendons
6 top connectors
6 bottom connectors
Pipeline and Flowline Risers and Umbilicals
Capacity to support and operate:
