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Oil Resources Development Co., Ltd.

石油資源開発株式会社Japan Petroleum Exploration Co., Ltd.AliasJapan Petroleum Exploration Co.Ltd.Alias
Ticker
Listed market
TYO
Country
Japan
Employees (consolidated)
1,670
Related companies
25
§01

Basic information

BASIC
Head office
1-7-12 Marunouchi, Chiyoda-ku, Tokyo, Sapia Tower
Chief executive
Toru Yamashita
Capital
14,288,694,000 JPY (142 100 millionJPY)
Employees (non-consolidated)
993 people
Employees (consolidated)
1,670 people
Start date
1970-04-01
End date
§02

Websites

1 DOMAINS
§03

Business

7
Exploration of oil and natural gasDevelopment of oil and natural gasProduction of oil and natural gasSale of oil and natural gasDrilling contracting businessDevelopment of renewable energy resourcesSupply of electricity
§04

Related companies

25 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
Sakhalin Oil and Gas Development Co., Ltd.
Group Shareholder
Japex Pipeline Corporation
Group
Fukushima Gas Power Corporation
Group
SK Engineering Co., Ltd.
Group
SK Industry Co., Ltd.
Group
Akita Prefecture Natural Gas Transportation Co., Ltd.
Group
North Japan Oil Co., Ltd.
Group
North Japan Disaster Prevention Security Co., Ltd.
Group
Physics Measurement Consulting Inc.
Group
Abashiri Biomass No. 2 Power Plant LLC
Group
LLC Abashiri Biomass Power Plant No.3
Group
Earth Science Comprehensive Research Institute, Inc.
Group
japex石油資源開発会社
Group
合同会社網走バイオマス第2発電所/合同会社網走バイオマス第3発電所
Group
Japan Marine Oil & Resources Development Corporation
Group
Tohoku Natural Gas Co., Ltd.
Group
GeoSIS Co., Ltd.
Group
Ternight Corporation
Group
Shirane Gas Co., Ltd.
Group
Idemitsu Kosan Co., Ltd.
Customer
Hokkaido Power Co., Ltd.
Customer
独立行政法人エネルギー・金属鉱物資源機構
Alliance
JAPEX Norge AS
Shareholder
Japex (U.S.) Corp.
Shareholder
Japex Galaf Corporation
Shareholder
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
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§06

History

33 EVENTS

Oil Resources Development Co., Ltd. (JAPEX) was founded in 1955 as a company responsible for E&P (exploration, development, and production) of oil and natural gas.Sources

Founded as a special company under the Oil Resources Development Corporation ActSources

Discovery of the Hokkaido Hiraichi oil field, the company's first domestic oil field (production period 1956–1961)Sources

Discovery of the Shinkawa oil field in Akita Prefecture (production started 1959, still in operation)Sources

Expansion of business scope overseas due to amendment of the Oil Resources Development Corporation ActSources

Integrated into the Oil Development Corporation upon its establishmentSources

Separated from the Oil Development Corporation and restarted as a private companySources

Establishment of Japan Offshore Oil Resources Development Co., Ltd. (JPO)Sources

Discovery of the Niigata Aga-uchi oil and gas field, the first offshore oil field after JPO's establishment (production period 1976–1998)Sources

Discovery of the Niigata Iwafune-uchi oil and gas field (production started 1990, still in operation)Sources

Opening of the Niigata–Sendai gas pipelineSources

Commenced the first domestic LNG rail tank container transportSources

Commenced bitumen production in the Canadian oil sands project (company's business concluded in 2021)Sources

Listed shares on the First Section of the Tokyo Stock ExchangeSources

Participation in the Indonesian Kangean Project (company's participation ends in 2025)Sources

Start of operations at Yūhatsu LNG receiving baseSources

Participation in the U.S. Tight Oil development projectSources

Participation in the Canadian shale gas project (company's participation ends in 2021)Sources

Start of crude oil production at the Iraq Galaf ProjectSources

Start of megasolar operation at the Hokkaido officeSources

Participation in the British North Sea Seagull Project (company's participation ends in 2025)Sources

Start of operations at Soma LNG baseSources

Start of commercial operation at Fukushima natural gas power plantSources

Change of listing market on the Tokyo Stock Exchange (transition to Prime market)Sources

Start of commercial operation of the Abashiri biomass power plant Unit 2 (Unit 3 started operation in March 2023)Sources

Participation in exploration and development activities in the Norwegian Exclusive Economic ZoneSources

Participation in the U.S. Freeport LNG projectSources

Start of commercial operation at Ozu biomass power plantSources

Start of commercial operation at Nagafu biomass power plantSources

Start of commercial operation at Tawara biomass power plantSources

Start of commercial operation at JAPEX Mihama storage facilitySources

Participation in exploration and development activities in the Indonesian Guban mining areaSources

Participation in U.S. tight oil and gas development (operator) projectSources

§07

News

27 ARTICLES

Information on the Shareholder Visit to the Company’s Technology Research InstituteSources

Oil Resources Development Co., Ltd. will hold a visit to its technology research institute to deepen shareholders’ understanding. Sessions will be held for the first through fourth visits on January 20 and 21, 2027, with morning and afternoon sessions each day. Participation is limited to shareholders holding 100 or more shares (with one accompanying person). Admission is free, and transportation costs are borne by the participants.

Potential Personal Information Leak Due to Unauthorized AccessSources

It has been determined that unauthorized access by a third party occurred on the service of Raks Light Cloud, which we use, and that personal information managed by our company may have leaked. The information that may have been affected includes email addresses of JAPEX email newsletter subscribers, and the number of leaks is under investigation. Our company has apologized to the affected individuals and stakeholders.

Japan Petroleum Exploration Completes Acquisition of U.S. Tight Oil and Gas AssetsSources

Japan Petroleum Exploration Co., Ltd. acquired all shares of Fundare Inc., which owns tight oil and gas assets in Colorado and Wyoming, U.S., on October 1, 2026. The acquisition price was 278 million U.S. dollars, part of which was financed through loans, and the rest was covered by internal funds.

Notice of Terms for First Unsecured Bond IssueSources

Japan Petroleum Exploration Co., Ltd. set the terms for its first unsecured bond issue on September 3, 2026. The total issue amount is 20 billion yen, consisting of 100 million yen bonds with a five-year term and an annual interest rate of 2.745%. The bonds will be issued on September 9, 2026, and redeemed in a lump sum at maturity on September 9, 2031. They are unsecured and unguaranteed.

Production Begins at Norway’s Alve Nord Oil and Gas FieldSources

JAPEX Norge, a subsidiary of Japan Petroleum Exploration Co., Ltd. (JAPEX), began production at Norway’s Alve Nord oil and gas field on August 27, 2026. Production started earlier than initially planned, and average output for the current fiscal year is forecast at 2,200 barrels per day.

Japan Petroleum Exploration Selected for JPX-Nikkei Index Human Capital 100Sources

Japan Petroleum Exploration Co., Ltd. has been selected as a constituent of the 2026 JPX-Nikkei Index Human Capital 100. The index covers the top 100 companies pursuing management that places emphasis on human capital. See the Japan Exchange Group website for details.

Japan Petroleum Exploration Records Gain on Sale of Investment SecuritiesSources

Japan Petroleum Exploration Co., Ltd. completed the sale of investment securities announced on August 6, 2026, and recorded a gain of ¥8.723 billion. The sale of one listed security was intended to secure funds for growth investments.

Second CCS Exploration Well Begins in Tomakomai AreaSources

Japan Petroleum Exploration Co., Ltd. began drilling its second exploratory well for CO₂ storage in the Tomakomai area on August 15. The well is intended to assess the geological formations and inform the final investment decision. The project is being advanced in cooperation with Idemitsu Kosan and Hokkaido Electric Power.

Petroleum Resources Development, Expected to Record Gains from Sale of Investment SecuritiesSources

Petroleum Resources Development Co., Ltd. expects to record a special profit of 6 billion yen by selling part of its listed securities. The sale aims to secure funds for growth investments, and the sale period is until the second quarter of the fiscal year ending March 2027.

Japan Petroleum Exploration Revises Upward Earnings ForecastSources

Japan Petroleum Exploration Co., Ltd. revised its earnings forecast announced on August 6, 2026, raising its outlook for sales and profits. The revised forecast projects sales of 314,000 million yen, operating profit of 46,000 million yen, and ordinary profit of 46,000 million yen. These figures represent an increase compared to the previous forecast.

§08

Public records

GOV
National Tax Agency basic information3010001108219
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
石油資源開発株式会社
Trade name (kana)
セキユシゲンカイハツ
Name in English
Corporation type
301
Address
〒100-0005 東京都千代田区丸の内1丁目7番12号
Postal code
1000005
Prefecture code
13
City code
101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2018-07-23
Change date
2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
01
Correction type
1
Trade name image ID
Address image ID
Sequence number
1572529
METI gBizINFO3010001108219
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
3010001108219
Trade name
石油資源開発株式会社
Trade name (kana)
セキユシゲンカイハツ
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都千代田区丸の内1丁目7番12号
Postal code
1000005
Prefecture
東京都
Prefecture code
13
City or district
千代田区
City code
101
Street address
丸の内1丁目7番12号
Organisation type
301
Processing type
01
Correction type
1
Status
Representative
代表取締役社長  山下 通郎 
Capital
14288000000
Employees
1250
Employees (male)
1007
Employees (female)
243
Business summary
石油天然ガス鉱業
Website URL
Year founded
Business category
C:鉱業、採石業、砂利採取業
Date established
1970-04-01
Unified government qualification - grade
||A|
Unified government qualification - business items
303|304
Update date
2018-07-23
Key information
3010001108219
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Sources & updates

SOURCES
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