Securing the Abu Dhabi ADCO concession on an unusual forty-year contract (2015)
A long concession produced by half a century of presence
The heart of this decision lies not in one-off bidding tactics but in the fact that it moved only when an operating record built up since the 1970s combined with the government's resource diplomacy. That Japan obtained the allocation ranking behind Total appears to owe to years of trust on the ground that China and Korea did not have; the unusual forty-year term is legible as the product of accumulation rather than of a single act of negotiating strength. It was a case in which the government's target of raising the share of self-developed resources and a company's pursuit of a concession pointed the same way.
That said, a concession running forty years is exposed for exactly that long to commodity price swings and geopolitical risk. The ownership of the ADCO blocks has continued to shift since, with Chinese companies entering, and if the policies of the producing state or the international situation change, the standing of the interest can shift with them. What a long contract won on half a century of operating experience will mean over the next half century still depends on where resource prices and international relations go.
Revenue and net margin, FY2010–FY2020
Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY2015 onwards — after it was taken.
Source: securities reports
Read the full dossier in Japanese →
The Japanese edition carries the complete record of this decision — the situation that forced it, the options weighed, what actually followed, and the sources behind every claim.
Other key decisions at INPEX
Yen amounts are converted at the average rate of each figure’s own year — not today’s rate; the revenue chart is shown in yen. Exchange rates & sources — the full ¥/US$ table →
Disclaimer
- This page is provided for general information only and is not investment advice, nor a recommendation to buy or sell any security.
- Figures are compiled independently and include our own estimates, approximations and machine-processed data; we make no warranty as to their accuracy or completeness.
- Sources are primarily each company’s securities reports and other public filings, but errors and omissions may remain.
- Any use of this information is at the reader’s own risk. Past performance does not indicate future results.
- Company names, logos and other marks belong to their respective owners.
Data API
INPEX’s history, financials, executives and
shareholders are published as static JSON — no key, plain GET.
Full specification →
| Method | Endpoint | Returns |
|---|---|---|
| GET | /api/companies.json | All companies |
| GET | /api/1605/manifest.json | Resource index |
| GET | /api/1605/history.json | History overview |
| GET | /api/1605/timeline.json | Chronology |
| GET | /api/decisions.json | All management decisions (index) |
| GET | /api/1605/decisions.json | Management decisions (index) |
| GET | /api/1605/decisions/{slug}.json | One decision (full dossier) |
| GET | /api/1605/executives.json | Executives |
| GET | /api/1605/shareholders.json | Major shareholders |
| GET | /api/1605/financials.json | Financial statements |
| GET | /api/1605/financials-longterm.json | Long-term results |
| GET | /api/1605/segments.json | Business segments |
| GET | /api/1605/regions.json | Sales by region |
| GET | /api/1605/workforce.json | Workforce |