Expanding reserves through exploration and maintaining stable production
First written in FY2016. 7 of 11 entries say "Advanced", first in FY2017. Latest entry: 2026-05-12.
Idemitsu Kosan moved to the "Worse" side of this theme in 2026.
0 other companies' latest entry also says "Worsened".
- 2026-05-12WorsenedEarnings presentation
「生産量合計 (千BOED) 30.0 24.6 ▲ 5.4 ▲ 17.9%」
ベトナム・ノルウェーのガス・石油生産量合計が前年度から17.9％減少した。 - FY2024AdvancedAnnual report
「In its oil and natural gas development business, the company continued developing natural gas as operator of the offshore block project in southern Vietnam and maintained stable production. In Europe, through its equity-method affiliate INPEX Norway and local subsidiaries, it conducted stable production and exploration activities at existing oil fields in the northern North Sea region of Norway.」
The company continued natural gas development as operator and stable production in the offshore block in southern Vietnam, while also pursuing stable production and exploration at existing oil fields in Norway. - FY2023AdvancedAnnual report
「In its geothermal business, the company worked to operate existing power plants safely, decided to construct a new power plant in the Koyasu area of Yuzawa, Akita Prefecture, and advanced the development of other new projects in Japan.」
The decision to construct a new geothermal power plant in the Koyasu area of Akita Prefecture was added to the company’s resource development and stable production initiatives. - FY2022AdvancedAnnual report
「Production commenced at the Duvva oil and gas field.」
The Duvva oil and gas field, for which exploration and development had been pursued in the northern North Sea region of Norway, reached the start of production. - FY2021ReframedAnnual report
「Oil development: shifting toward Southeast Asian gas development and pursuing CCS using development technologies」
The focus of resource development has been reorganized from oil and gas development, including in Europe, toward gas development in Southeast Asia and the use of CCS. - FY2020AdvancedAnnual report
「In its oil and natural gas development business, the company worked in Europe to maintain stable production from existing producing oil fields in the northern North Sea region of Norway and develop oil fields in the northern North Sea and Barents Sea areas where exploration had been successful. It also began developing floating offshore wind power facilities directly connected to oil and gas production facilities, a world-first initiative, to reduce environmental impact.」
In addition to developing oil fields in areas where exploration had been successful, the company began developing floating offshore wind power facilities connected to oil and gas production facilities. - FY2019AdvancedAnnual report
「The company undertook development work as operator for the gas field discovered offshore Vietnam.」
The gas field discovered offshore Vietnam progressed from development studies to concrete development work as operator. - FY2019-Q3RestatedAnnual report
「In response to growing global energy demand, the company will work to maintain and enhance the value of its existing oil and coal resource assets and develop gas fields in Asia.」
The company reconfirmed its policy of maintaining and enhancing the value of its existing resource assets and developing gas fields in Asia. - FY2018AdvancedAnnual report
「The company transferred its UK North Sea assets to restructure its asset portfolio. It also advanced concrete studies for the development of the gas field discovered offshore Vietnam.」
The disclosure describes progress in the resource portfolio and development activities through the transfer of UK North Sea assets and development studies for the gas field offshore Vietnam. - FY2017AdvancedAnnual report
「In exploration activities, the company discovered an oil and gas accumulation in the Cara structure in the Norwegian North Sea in September 2016. It also continued considering the future development of the oil and gas field discovered offshore Vietnam in 2014.」
The company discovered an oil and gas accumulation in the Norwegian North Sea and advanced development studies for the previously discovered oil and gas field offshore Vietnam. - FY2016First statedAnnual report
「In the oil exploration and production business, we will pursue reserve expansion through exploration and continued stable production while reducing costs and carefully selecting investments.」
Exploration and development are under way in Norway, the United Kingdom and Vietnam, including the acquisition of interests in two offshore blocks in Vietnam and the development of new oil fields.