Subsidiaries & Affiliates, etc.
Overseas Business
Exploration, development and production, etc.
INPEX Browse, Ltd.
- Supply of business capital, etc. to oil and natural gas exploration and development in the WA-285-P Block and others, Australia
Proportion of Voting Rights※1:100.00%
INPEX Browse E&P Pty Ltd
- Exploration of oil and natural gas in the WA-285-P Block and others, Australia
Proportion of Voting Rights※1:100.00%(100.00%※2)
INPEX Holdings Australia Pty Ltd
- Supply of business capital, etc. to oil and natural gas exploration, development and construction of the LNG plant for the Ichthys LNG project, Australia
Proportion of Voting Rights※1:100.00%(100.00%※2)
INPEX Ichthys Pty Ltd
- Exploration and development of oil and natural gas in the Ichthys Gas-Condensate Field (WA-50-L/WA-51-L), Australia
Proportion of Voting Rights※1:100.00%(100.00%※2)
INPEX Oil & Gas Australia Pty Ltd
- Exploration and development of oil and natural gas in the Prelude Gas Field (WA-44-L) and others, Australia
Proportion of Voting Rights※1:100.00%
INPEX Cash Maple Pty Ltd
- Exploration and development of oil and natural gas in the AC/RL7 Block , Australia
Proportion of Voting Rights※1:100.00%(100.00%※2)
INPEX Alpha, Ltd.
- Exploration, development, production and sales of oil and natural gas in the WA-35-L Block and others, Australia
Proportion of Voting Rights※1:100.00%
Japan Oil Development Co., Ltd.
- Exploration, development, production and sales of oil in the Upper Zakum, Satah and Umm Al Dalkh oil fields, Offshore Abu Dhabi, United Arab Emirates
Proportion of Voting Rights※1:100.00%
JODCO Exploration Limited
- Exploration of oil in four of the Block in onshore Abu Dhabi, United Arab Emirates
Proportion of Voting Rights※1:51.00%
JODCO Onshore Limited
- Exploration, development, production and sales of oil in the ADCO Block in onshore Abu Dhabi, United Arab Emirates
Proportion of Voting Rights※1:65.76%
JODCO Lower Zakum Limited
- Exploration, development, production and sales of oil in the Lower Zakum Oil Field Offshore Abu Dhabi, United Arab Emirates
Proportion of Voting Rights※1:100.00%
INPEX Sahul, Ltd.
- Exploration, development, production and sales of oil and natural gas in the PSC TL-SO-T 19-12 Block in East Timor
Proportion of Voting Rights※1:100.00%
INPEX MASELA, Ltd.
- Exploration and development of oil and natural gas in the Masela Block in the Arafura Sea, Indonesia
Proportion of Voting Rights※1:51.93%
INPEX South Makassar, Ltd.
- Exploration, development, production and sales of oil and natural gas in the Sebuku Block in the Makassar Strait, Indonesia
Proportion of Voting Rights※1:100.00%
INPEX Con Son, Ltd.
- Exploration, development, production and sales of oil and gas in Blocks 05-1b and 1c in offshore southern Vietnam
Proportion of Voting Rights※1:100.00%
INPEX Norway Co., Ltd.
- Supply of business capital, etc. to exploration, development, production and sales of oil in the Snorre Oil Field and others in Kingdom of Norway
Proportion of Voting Rights※1:50.51%
INPEX Idemitsu Norge AS
- Exploration, development, production and sales of oil in the Snorre Oil Field and others in Kingdom of Norway
Proportion of Voting Rights※1:100.00%(100.00%※2)
INPEX Southwest Caspian Sea, Ltd.
- Exploration, development, production and sales of oil in the ACG Oil Fields, Azerbaijan
Proportion of Voting Rights※1:51.00%
INPEX North Caspian Sea, Ltd.
- Exploration, development, production and sales of oil in the Offshore North Caspian Sea Block, Kazakhstan
Proportion of Voting Rights※1:51.00%
INPEX Gas British Columbia Ltd.
- Exploration, development, production and sales of natural gas in the shale gas blocks of the Horn River, Cordova and Liard basins in British Columbia, Canada
Proportion of Voting Rights※1:45.09%
Transportation, liquefaction, refining and sales, etc.
INPEX DLNGPL PTY Ltd
- Investment in Darwin LNG Pty Ltd, which constructs and operates the undersea pipeline and LNG plant connecting the Bayu Undan Gas-Condensate Field and Darwin (Australia)
Proportion of Voting Rights※1:100.00%
INPEX BTC Pipeline, Ltd.
- Investment in the pipeline construction and management business that connects Baku (Azerbaijan), Tbilisi (Georgia) and Ceyhan (Turkey)
Proportion of Voting Rights※1:100.00%
Power generation, drilling and civil engineering, etc.
INPEX Renewable Energy Australia Pty Ltd
- Supply of business capital, etc. to renewable energy development and power generation business in Australia
Proportion of Voting Rights※1:100.00%(100.00%※2)
INPEX Geothermal Sarulla, Ltd.
- Supply of business capital, etc. to the Sarulla Geothermal Power Project, Indonesia
Proportion of Voting Rights※1:100.00%
INPEX Europe Limited
- Development and management of offshore wind power projects in Europe
Proportion of Voting Rights※1:100.00%
Others
INPEX FINANCIAL SERVICES SINGAPORE PTE. LTD.
- The Group's intercompany finance operations and support for financial administration of projects
Proportion of Voting Rights※1:100.00%
Oversea’s Crude oil Sales, etc.
INPEX Energy Trading Singapore Pte. Ltd.
- Sale and purchase of oil and natural gas, etc.
Proportion of Voting Rights※1:100.00%
43 other subsidiaries
Affiliates, etc.
MI Berau B.V.
- Exploration, development, production and sales of natural gas in the Berau Block and the Tangguh LNG Project, West Papua province, Indonesia
Proportion of Voting Rights※1:44.00%
Ichthys LNG Pty Ltd
- Engaged in laying the undersea pipeline from the Ichthys Gas-Condensate Field to the Darwin Onshore LNG Plant and building the LNG plant, Australia
Proportion of Voting Rights※1:66.25%(66.25%※2)
Enel Green Power Australia Pty Ltd
- Development and operation, etc. of renewable energy projects in Australia
Proportion of Voting Rights※1:50.00%(50.00%※2)
PT Medco Geopower Sarulla
- Supply of business capital, etc. to geothermal power project in Sarulla Geothermal Field, Indonesia
Proportion of Voting Rights※1:49.00%(49.00%※2)
PT Supreme Energy Muara Laboh
- Development and management of geothermal power project in Muara Laboh Geothermal Block, Indonesia
Proportion of Voting Rights※1:30.00%(30.00%※2)
PT Supreme Energy Rantau Dedap
- Development and management of geothermal power project in Rantau Dedap Geothermal Block, Indonesia
Proportion of Voting Rights※1:27.40%(27.40%※2)
24 other subsidiaries
Domestic Business
INPEX JAPAN, LTD.
Domestic crude oil and natural gas business, etc.
Akasaka Biz Tower 5-3-1, Akasaka, Minato-ku, Tokyo 107-6332, Japan
TEL : 81-3-5572-0755
INPEX DRILLING CO., LTD.
Geothermal production wells, crust activity observation wells, wells for hot springs, civil engineering
7nd Floor, Lucid Square Shinjuku East., 3-21, 1-Chome, Okubo, Shinjuku-Ku, Tokyo, Japan
TEL : 81-3-5292-1711
INPEX BUSINESS SERVICES, LTD.
Real estate rental, management and insurance agency services
Management of owned properties and facilities
Akasaka Biz Tower 5-3-1, Akasaka, Minato-ku, Tokyo 107-6332, Japan
TEL : 81-3-5572-0600
INPEX Logistics (Japan) Co., Ltd.
Process, storage, export and import, marketing and supplying of crude oil, natural gas Transportation of crude oil and petroleum products by lorries
Generation and Supply of Photovoltaic Power
935 Shibukakihama, Ogata-ku, Joetsu-shi, Niigata 949-3115, Japan
TEL : 81-25-534-5670
INPEX PIPELINE (JAPAN) CO., LTD
Natural gas transportation, pipeline operation, maintenance and management
6-2 Ookubo 1-chome, kashiwazaki-shi, Niigata 945-0851, Japan
TEL : 81-257-24-2143
Proportion of Voting Rights※1:100.00%
INPEX ENGINEERING (JAPAN) CO.,LTD
Maintenance services for INPEX CORPORATION oil and gas manufacturing facilities, natural gas pipelines and Naoetsu LNG Terminal
2-33-26 AmiGawara, Chuo-ku, Niigata-shi, Niigata 950-0964, Japan
TEL : 81-25-284-2311
INPEX Solutions, LTD.
Research, evaluation, business planning and consultation etc. in the fields of oil & gas, renewable energy and power, heat and water supply
Akasaka Biz Tower 5-3-1, Akasaka, Minato-ku, Tokyo 107-6332, Japan
TEL : 81-3-5572-0616
INPEX Offshore San-in Co., Ltd.
Exploration, development, production and sales of oil and natural gas in Offshore Shimane, Yamaguchi Prefectures in Japan
INPEX GEOTHERMAL, LTD.
Development and management of geothermal projects in Japan and overseas
Proportion of Voting Rights※1:100.00%
TELNITE CO., LTD.
Development, manufacture and sales of drilling fluid chemicals, treating chemicals cement additives and drilling fluid disposal chemicals for all kinds of well.
3-2-3, KandaJinbou-cho Chiyoda-Ku, Tokyo, 101-0051 Japan
TEL : 81-3-5843-0010
Next Energy Co., Ltd.
Sale of natural gas and surveys of natural gas market
2-19-10, Shimbashi Minato-Ku, Tokyo 105-0004, Japan
TEL : 81-3-3573-8201
Sakata Natural Gas Co., Ltd.
Supply and sale of city gas, electricity
4-5 Higashiohucho,Sakata-shi, Yamagata, 998-0831, Japan
TEL : 81-234-24-4111
Saitama Gas Co., Ltd.
Supply and sale of city gas, electricity
395-1 Isegata, Fukaya-shi, Saitama 366-0836, Japan
TEL : 81-48-571-1335
Proportion of Voting Rights※1:62.67%(13.17%※2)
Minamifuji Pipeline Co., Ltd.
Gas pipeline business
1146-1 Tadehara Fuji-shi, Shizuoka 416-0931, Japan
TEL : 81-545-55-1211
Keiyo Pipeline Co., Ltd.
Transport to natural gas suppliers
3-14-1 Tuganodai,wakaba-ku, Chiba-shi, Chiba 264-0033 , Japan
TEL : 81-43-251-5259
INPEX SCHOLARSHIP FOUNDATION
Scholarships for Indonesian and Japanese students
34th floor, Akasaka Biz Tower 5-3-1, Akasaka, Minato-ku, Tokyo 107-6332, Japan
TEL : 81-3-5572-0602
※1 As of December 31, 2023
※2 Values in parentheses in the column labeled “Voting rights(%)” indicate the ratio of indirectly held voting rights. These values are included in the total.