Corporate Data

Corporate History

1970 ITOCHU established Japan Low Sulfur Oil Co., Ltd. (JALOSCO) to conduct hydrocarbon exploration and production activities of offshore Southeast Sumatra (SES) and offshore Northwest Java (ONWJ) in Indonesia
1971 The first production of Cinta crude oil and Ardjuna crude oil
1972Establishment of C. Itoh Energy Development Co., Ltd. (CIECO) for the exploration of the Vogelkop region in Indonesia
Crude oil discovery in Kasim, Vogelkop
1973The first production of Walio (Kasim) crude oil
1977The first shipment of Ardjuna LPG
1984CIECO merged with JALOSCO
1987Crude oil discovery in Intan, offshore Southeast Sumatra
1988Crude oil discovery in Widuri, offshore Southeast Sumatra
1990Production Sharing Contract with Pertamina for the Kepala Burung block
1991JanAcquisition of an additional working interest in onshore Vogelkop block
1992SepAcquisition of an additional working interest in offshore Southeast Sumatra block
1993JanCommencement of production from Kepala Burung block
FebAcquisition of an additional working interest in offshore Southeast Sumatra block
AprC. Itoh Energy Development Co., Ltd. changed its name to ITOCHU Oil Exploration Co., Ltd.
MayAcquisition of interests in three U.K. North Sea fields (Hutton, Northwest Hutton, and Hudson)
1995MarAcquisition of shares of Sakhalin Oil and Gas Development Co., Ltd.(SODECO)
1996MarAcquisition of a working interest in Azeri, Chirag, and Deepwater Gunashli, South Caspian, Azerbaijan
JulAcquisition of an additional working interest in Azeri, Chirag, and Deepwater Gunashli, South Caspian, Azerbaijan
1997NovThe first production of Azeri light crude Oil
1998DecAcquisition of a working interest in Atashkyakh, Yanan Tava, and Mugan Deniz, South Caspian, Azerbaijan
Acquisition of a working interest in block 28/3, U.K. North Sea
2000JulAcquisition of a working interest in Algeria Ohanet gas field
2002JunAcquisition of interests in the Baku-Tbilisi-Ceyhan (BTC) Pipeline project
2003OctThe first production of Algeria Ohanet gas
2004MarSuccession by ITOCHU to the energy resource development business formerly belonging to CIECO
MayAcquisition of a working interest in the Cliff Head oil field, Australia
2005JunAcquisition of a working interest in the Alba field, the U.K. North Sea
2006MayThe first production from the Cliff Head oil field
JunThe first transportation of ACG crude via the BTC Pipeline
2007JanAcquisition of exploration lease interests in the GoM Texas State Water
MarAcquisition of lease interests in 15 producing fields in the GoM offshore
OctAcquisition of production license interests in the offshore Victoria in the southeast area of Australia
2008MayAcquisition of exploration blocks in Faroese Continental Shelf
JulAcquisition of exploration blocks in west of Shetland
2010AugAcquisition of an additional interest in Azeri, Chirag and Deepwater Gunashli, South Caspian, Azerbaijan.
OctAcquisition of exploration blocks in Niobrara (DJ Basin) Wyoming, U.S.A.
2011NovJoint acquisition of Samson Investment Company, a U.S. oil and gas development company.
2012DecWestern Isles Development, two oil discoveries, Harris and Barra in the Northern Northsea was approved by DECC, U.K.
2013SepAcquisition of exploration blocks in Eastern Siberia of Russia
2014AprWestern Isles Project first well successfully tested
2015OctAcquisition of an additional interest in BTC pipeline project.
2016DecIchyodinskoye Oil Field entered into the production phase in the Eastern Siberia project.
2017SeptExtension of PSA for ACG oil field in Azerbaijan was signed.
2018MarAcquisition of the interests of West Qurna 1 oil field in Iraq.
2021JunJoined the Geological Carbon Dioxide Storage Technology Research Association.
2022AugCelebrated 50th anniversary.
2023AprJoined the Japan Geothermal Association.
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