Aleph search

Aleph lets you search over 2 million public domain documents filed by oil & gas and mining companies to financial regulars around the world. All documents are indexed and searchable. You can register and create email alerts to follow specific search queries, and import document sources. Our experts are ready to advice you and discuss how you can integrate Aleph in your work.

Learn more ...

Document Sources

US Filings (EDGAR)
Canadian Corporate Filings
Australian Stock Exchange
Bombay Stock Exchange
London Stock Exchange
Johannesburg Exchange
OpenOil Contracts
EITI reports


Mailing List

Subscribe to our Mailing List and stay up to date

Featured Video

Concession Maps

Each area is the co-ordinates of an oil or mining project. Those highlighted lead through to relevant entries in our databases on contracts, concessions, production, reserves, costs and corporate groups involved. All data come from relatively authoritative sources: government or the companies.

Financial Modeling Program

Open financial models are the natural next stage of extractives governance. We are running a free mentoring program to develop financial models of upstream oil, gas and mining projects, with the aim of creating a worldwide network of practitioners from civil society, government or private sector. Interested? Contact us!

Corporate Mapping

With over 1,000 affiliate companies in more than 80 jurisdictions, BP controls a complex network of corporate entities. This map of BP's corporate structure shows their ownership relations, using only public disclosures that BP itself has made. It also includes key financials for 150 of the companies.

Recent Blog Posts (Read all Posts)

El proyecto estrella de shale en Argentina implicaría miles de millones de dólares en subvenciones

on November 24, 2016 · Leave a Comment 

Fuera de Estados Unidos, el mayor proyecto de shale en el mundo se ubica en la cuenca de Vaca Muerta, en Argentina. Este no es viable bajo las condiciones de mercado y suposiciones vigentes, a menos que el gobierno de Argentina esté dispuesto a mantener subvenciones en petróleo y gas de hasta 9 mil millones more »

Argentina’s flagship shale project would need billions of dollars of subsidies

on November 24, 2016 · Leave a Comment 

The largest shale project in the world outside the North America, in the Vaca Muerta basin in Argentina, is not viable under current market conditions and stated assumptions – unless the government of Argentina is prepared to maintain oil and gas subsidies of up to $9 billion. That is the leading result of the model more »

How to build a robust model with almost no data

on November 24, 2016 · Leave a Comment 

After doing the OpenOil training I had to choose a project I was interested in modeling. The joint venture between YPF and Chevron to exploit shale gas and oil in Vaca Muerta (South West of Argentina) was the obvious option. It had been all over the news, since the U.S. Energy Information Agency (EIA) had more »

Recent Twitter Posts (Follow us @open_oil)

OpenOil @Open_Oil
RT @MiningInMalawi: Why we need to learn how to build financial models for mining projects #Malawi #mining #oil @gmalunga
OpenOil @Open_Oil
#Australia's parliament to launch investigation on taxes & royalties collected from $200bn+ offshore gas sector:
OpenOil @Open_Oil
More than one-off’s: #OpenModeling can be used for contract negotiations, tax collection, audits & policy planning…