{"id":59321,"date":"2025-12-18T10:53:36","date_gmt":"2025-12-18T13:53:36","guid":{"rendered":"https:\/\/coc.ufrj.br\/advanced-oil-recovery-laboratory-lrap\/"},"modified":"2025-12-26T22:29:37","modified_gmt":"2025-12-27T01:29:37","slug":"advanced-oil-recovery-laboratory-lrap","status":"publish","type":"page","link":"https:\/\/coc.ufrj.br\/en\/advanced-oil-recovery-laboratory-lrap\/","title":{"rendered":"Advanced Oil Recovery Laboratory – LRAP"},"content":{"rendered":"\t\t
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\"\"<\/a><\/div><\/div>

Paulo Couto<\/a><\/h3>

Professor Pleno<\/h4>
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LRAP’s aim is to study techniques that will increase oil production, especially in Brazil’s pre-salt fields. LRAP’s research focuses on CO2 injection techniques alternating with low salinity water in the oil zone. <\/p>

Alternating water and gas injection is an EOR technique widely used in the oil and gas industry. Success in developing a WAG injection scheme, however, is not guaranteed, and depends on many variables, many of which are specific to the characteristics of the reservoir. These can include the composition of the injected gas, the composition of the injected water, the ratio of injected gas to injected water, among many others. Modifying these design parameters can result in a WAG scheme that provides a significant improvement in oil recovery over a traditional water injection scheme. <\/p>

The injection of low salinity water in place of high salinity water (such as seawater or produced water) has been an area of active research in recent years as a means of increasing total oil production.<\/p>

It is believed that the low salinity of the injected water allows for the controlled mobilization of fine materials in the reservoir, reducing permeability in areas of the reservoir that have already been swept with water. The water sweep is therefore redirected to the area with the lowest initial permeability, which on the other hand may not have been swept. Thus improving the sweeping efficiency of the water injection as a whole. <\/p>

These techniques have great potential for increasing oil recovery. As an example, we can mention the Libra field, the first field auctioned under the production sharing rule in the pre-salt, which has an estimated recoverable oil volume by the ANP of between 8 and 14 billion barrels. If we take the most conservative estimate (8 billion) and achieve a 1% increase, the research carried out at LRAP will increase the consortium’s gross revenue by USD 4 billion. This type of technique applied to sandstone reservoirs in the North Sea has already proven to increase production by up to 7%. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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LRAP has the experimental and computational infrastructure to develop technologies capable of increasing the recovery factor of national reservoirs, more specifically through the alternating injection of water and gas (WAG) applied to pre-salt carbonate reservoirs.<\/p>

The existing infrastructure at LRAP\/COPPE\/UFRJ has enabled complete and integrated studies involving rock, fluid, rock-fluid and fluid-fluid interactions, placing LRAP and Brazil in a prominent position worldwide in the area of Advanced Oil Recovery, being one of the few centers specializing in carbonate reservoirs.<\/p>

In addition, the location of this infrastructure on the premises of LRAP, COPPE CT-2, on Ilha do Fund\u00e3o (Rio de Janeiro\/RJ) is of strategic interest to UFRJ, due to its proximity to major research centers and important companies in the oil and gas sector in Brazil, within the largest engineering research and teaching center in Latin America, COPPE\/UFRJ.<\/p>

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Main equipment<\/strong><\/h5>