Ula WAG – World Class EOR – Breathing the Gas of Life into a Mature Oil Field

A04 Ula WAG – World Class EOR – Breathing the Gas of Life into a Mature Oil Field C. de Jongh* (BP Norway) E. Lund (BP) M. Hole (BP Norway) & J. Duncan (BP Norway) SUMMARY The Ula field is located in the Norwegian sector of the North Sea. The field has a STOOIP of around 1 billion stb and has been on production since 1986; water injection started in 1988. In the mid-nineties the field was on a steep waterflood decline with less than a decade of future. Ula WAG (Water Alternating Gas)was started up in 1998 and targets