Specifications - Yoho Oil Field, Nigeria

Key Data
Lease	Oil Mining Lease (OML) 104
Total cost	$1.2 billion
Oil recovery	0.4 billion barrels
Reservoirs	Yoho and Awawa
Water depth	200ft to 300ft
Equity	ExxonMobil, 40%; Nigerian National Petroleum Corporation (NNPC), 60%
Strategy	FPSO - current production: 90,000bpd
First stage	Early Production System (EPS)
Second stage	Wellhead platforms, central production platform, living quarters platform, FSO vessel
Full-field start	Late 2004
Peak production	150,000bpd
FPSO
Water depth	64m
DWT	315,000dwt
Storage	2,200,000bbls
Turret	External
Number of risers	6 x 10in and 3 umbilicals
Swivel stack	2 x 12in LP production 1 swivel, 2 x 12in HP production 2 swivel, 1 x 10in water injection swivel (spare), 1 x 6in pigging swivel, 1 x LP utility swivel, 1 x electric swivel, 1 x HP utility swivel, 1 x 6in gas injection swivel
Date first oil	November 2002
Max throughput	90,000 bbls oil per day
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