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Petrobras Miranga CO2 injection

Brief description:




Facts:


Main developer: Petrobras

Country: Brazil

Project type: Storage

Scale: Small

Status: Operative

Year of operation 2009
Industry: Oil and gas processing


Capture method: Post-combustion

Capture technology: Amine Membrane
Transport of CO2 by: none

Storage site:

Rio Pojuca

Type of storage: Aquifers

Volume: 400 tonnes per day tonnes/CO2

 

Petrobras' Miranga demonstration project, which is testing three different storage scenarios in the municipality of Pojuca - namely, EOR, depleted gas reservoir and saline aquifer - aims to develop technologies that could be used in future to mitigate emissions from the Santos basin’s pre-salt cluster of fields. It is the second phase of a research project launched in 2007 by the state oil company and French research agency IFP. Petrobras began injection at Miranga in late 2009 at a rate of around 400 tonnes CO2 per day into a saline formation.

The initial project began by looking at the potential for underground CO2 storage in an oilfield in Recôncavo Basin, in north-eastern Brazil, where Petrobras started EOR operations with CO2 injection 25 years ago. The first phase considered existing CO2 injection - of more than 15 years - in the Buracica oilfield in order to develop and validate technologies needed. Modelling, well integrity tests and other monitoring and verification activities also took place. The Rio Pojuca aquifer, where injection began in 1987, was also studied. At both sites, 130,000 tonnes of CO2 per year had been injected from ammonia/urea and ethylene dioxide plants.

More information

Offshore Magazine article, 1 February 2010

2007 research results

Contact info


Main developer: Petrobras







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