Americas

BP Exploration Alaska
EXXON MOBIL CANADA PROPERTIES INC
EXXON MOBILSABLE OFFSHORE ENERGY INC.
SCHLUMBERGER

Europe & FSU

AIOC - Operated by BP Exploration(Caspian Sea) Ltd
Amerada Hess Ltd
APACHE North Sea Ltd
BLUEWATER SERVICES UK LTD
BP
BP AMOCO
BP Exploration Operating Co Ltd
CNR International (UK) Ltd
ENTERPRISE OIL
EXXON MOBIL
JSC Sevmorneftegaz
Maersk Olie Og Gas
Maersk Olie OG Gas AS
MARATHON OIL UK LTD
NAREMCO TECHNOLOGY LTD
Nexus
PETRO-CANADA (NETHERLANDS) B.V.
Petro-Canada ltd
Rosneft
RWE-DEA
Talisman Energy (UK) Ltd
TNK-BP
Vancor Oil

Africa

AGIP NIGERIA
BP / GUPCO / Rapetco
BP ANGOLA (BLOCK 18) BV
ESSO EXPLORATION ANGOLA (BLOCK 15) LTD
ExxonMobil
NOSPCO
Total Cameroon
TRITON ENERGY/AMERADA HESS
WEPCO - Western Desert Petroleum Operating Company
WOODSIDE / BERGESEN

Middle East

ARAMCO
N.I.O.C
N.I.O.C. & P.O.G.C.
NIOC/PEDCO
Petroleum Development Oman (PDO)
QPD - Qatar Petroleum Development CO. LTD (Japan)
Saudi Arabian Oil Company
Statoil/PetroPars/Pars Oil & Gas Company/NIOC
Total E&P Qatar (TEPQ)

Far East

CNOOC SES BV
Murphy Sabah Oil Co. Ltd
Petronas Carigali Sdn Bhd
Sarawak Shell Berhad