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Asia’s first large scale CO2 injection project
February 17 , 2018
2346 days
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- State owned Oil and Natural Gas Corporation (ONGC) is planning to introduce carbon dioxide (CO2) injection technology in its Gandhar oil field in Gujarat.
- It will be first large scale CO2-injected project in Asia.
- Its purpose is to recover extra 20 million barrels of crude oil under enhanced oil recovery (EOR) programme.
- EOR programme aims at recovering up to 20% of residual oil from ageing oil fields to improve India’s energy security.
- It is a worldwide proven technology to increase the production of crude oil in ageing oil fields.
- Under CO2 injection technology CO2 gas is injected with residual oil in the ageing field in which total oil production has been declining.
- It reduces the oil viscosity present in the rock pores and makes it easier them to displace from the rock pores.
- CO2 gas also swells oil, thereby pushing it towards the producing well for extraction.
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