Petrobras . Agência Petrobras

P-61 starts production in Rio de Janeiro's Papa Terra field

Publicado em: 16/03/2015 14:34:33

Petrobras has started production on platform P-61 in Papa Terra field, located near the southern perimeter of the Campos Basin (State of Rio de Janeiro), 110 km off the coast of Brazil and with a water column of 400 to 1,400 m.

Moored in waters 1,200 m deep, the P-61 completes the production system for  the Papa Terra field, operating alongside the P-63 FPSO (floating production storage and offloading), commissioned on November 11, 2013.

Thirteen production wells will be connected to the P-61, and the well currently in operation is the PPT-16. Five production and six injection wells are interconnected to the P-63, and a further five injection wells will be added.

Output from P-61 is transferred via flexible lines to FPSO P-63, capable of processing 140 thousand barrels per day (bpd) and 1 million cubic meters (m³) of gas, and injecting 340,000 barrels of water. Shuttle tankers transport the oil from the field and surplus gas not consumed on the platforms is injected into a nearby reservoir.

The P-61 Tension Leg Wellhead Platform (TLWP) is connected to a Tender Assisted Drilling Platform and is equipped with a drilling and well completion rig. This is the first time a platform of this type has been used in Brazil. P-61 is connected to dry completion wells, which means that the well control valves are onboard the platform and not on the seabed.

Wells are connected to the P-63 via subsea flexible pipes with electric heating, a system know as an Integrated Production Bundle, and the field’s 18 production wells feature subsea centrifuge pumps.

The topside of P-61 was built at the Keppel Felds shipyard in Singapore. The hull and mating operation (joining hull and topside) were completed at the Brasfels shipyard in Angra dos Reis (Rio de Janeiro State).

With reservoirs containing 14 to 17 API crude at considerable water depth, developing the Papa-Terra field has been a challenging project for Petrobras, requiring many different innovative solutions.

Papa Terra field is operated by Petrobras (62.5%) in partnership with Chevron (37.5%). Chevron’s participation in developing this field has been an important factor, given its experience with projects of this nature.

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