Petrobras Starts Up Extended Well Test in Guara

Petrobras announced the start up of the Extended Well Test (EWT) in the Guará area, which occurred on December 25, in the pre-salt layer of Santos Basin.

The EWT is producing through the well SPS-55, using the FDSPO Dynamic Producer platform, and is expected to last for five months.The daily production is estimated at 14,000 barrels of oil per day.

The Guará area, located in block BM-S-9 and around 300 kilometers off the coast of São Paulo state. Petrobras is the operator of the area in partnership with BG Group and Repsol, The recoverable oil and gas volumes in Guará are estimated at between 1.1 and 2 billion boe of high quality, with an API gravity of around 30 degrees.

Following the EWT, the pilot project is planned to the area, with the wells being connected to the FPSO Cidade de São Paulo. The production is expect to start by 2013 and is estimated at 120,000 barrels of oil and five million cubic meters of gas per day.

The Guará EWT will allow Petrobras and its partners to develop a deeper knowledge of the area and the behavior of the reservoirs, in turn aiding the creation of a definitive project for the region and contributing to the development of the Santos Basin pre-salt layer.