Petrobras declares two deepwater oil fields commercial, reports new find in Santos basin

Offshore staff

RIO DE JANEIRO – Petróleo Brasileiro S.A. (NYSE: PBR) has sent a Declaration of Commerciality for Tiro and Sidon fields in southern Santos basin offshore Brazil to the National Petroleum, Natural Gas, and Biofuels Agency.

In the proposal, these new accumulations were named Bauna and Piracaba, corresponding to Tiro and Sidon, respectively. These oil fields are in block BMS-40, in shallow waters of Santos basin, 200 km (124 mi) off São Paulo state.

Petrobras has a 100% stake. Total recoverable volumes are estimated at 113 MMboe for Bauna field and 83 MMboe for the Piracaba field. Both contain light oil (34ºAPI for Bauna and 32ºAPI for Piracaba), in sandstones reservoirs located above the salt layer.

At the same time, Petrobras confirmed a find in ultra-deepwater Santos basin block BM-S-9, also in presalt. Well 3-BRSA-1023 (3-SPS-85), named Carioca Sela, is in 1-SPS-50 (Carioca) at 4.5 km (2 ¾ mi) from the discovery well.

Sampling at a well depth of 5,250 m (17,224 ft) recovered 27ºAPI oil. The water depth is 2,149 m (7,050 ft).

Petrobras (45% - operator), BG Group (30%), and Repsol Sinopec Brasil (25%) hold the tract.


Well 3-BRSA-1023 (3-SPS-85), named Carioca Sela, is in 1-SPS-50 (Carioca) at 4.5 km (2 ¾ mi) from the discovery well.

Petrobras Carioca Sela Brazil

Did You Like this Article? Get All the Energy Industry News Delivered to Your Inbox

Subscribe to an email newsletter today at no cost and receive the latest news and information.

 Subscribe Now


Logistics Risk Management in the Transformer Industry

Transformers often are shipped thousands of miles, involving multiple handoffs,and more than a do...

Secrets of Barco UniSee Mount Revealed

Last year Barco introduced UniSee, a revolutionary large-scale visualization platform designed to...

The Time is Right for Optimum Reliability: Capital-Intensive Industries and Asset Performance Management

Imagine a plant that is no longer at risk of a random shutdown. Imagine not worrying about losing...

Going Digital: The New Normal in Oil & Gas

In this whitepaper you will learn how Keystone Engineering, ONGC, and Saipem are using software t...