Marine Technology Reporter Blogs - lula

Pre-salt Seafloor Construction/Remote Operations Challenges Part 2

October 14, 2014

featured reef subsea power
According to Petrobras production engineers, secondary recovery is increasingly being implemented to improve oil recovery in the pre-salt carbonates, where reservoir rocks are usually oil wet, and this characteristic affects the performance of water injection. Another problem concerning water injection is related to rock-fluid interaction, which is more important and complex in carbonates. In order to assess the risks involved, as well as to define mitigation actions, rock-fluid interaction tests are being carried out in the reservoir rock and the salt cap rock. Alternative recovery methods are being implemented in the pre-salt reservoirs.

World's Largest PLV

November 8, 2013

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The extraordinary growth of the world subsea market over the past decade and the raising demand for O&G plays in deep and ultra-deep waters to begin production and for the deep and ultra-deep water drilling to continue in Brazil, at the GoM and in WA, has led to the development of a range of new offshore field development and support vessels, including a large new pipelay vessel, currently laying its pipelines along the GoM. Since 2012 Saipem has been operating the MV CastorOne, it is a ship-shaped pipelay vessel with an overall length of 330 m (excluding stinger) and DP 3 capable. The CastorOne was classed by ABS (American Bureau of Standards) and is also Ice classed, capable of berthing 700.

Major Deepwater Contract with Petrobras Spotlights Subsea 7´s Enhanced Capabilities

June 16, 2013

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The $1 billion contract awarded to Subsea 7 by Brazilian national oil company Petrobras, marks a new era in Subsea 7´s history. It is the first major (in terms of contract value) contract for the company after its merger with Acergy. The contract is for development of the Guara and Lula deepwater pre-salt fields in the Santos Basin, over 300km from the coast of Rio de Janeiro, in water depth of around 2,200 meters. These plays are located in Block BM-S-9 and BM-S-11 respectively. The EPIC (Engineering, Procurement, Installation and Pre-Commisioning) project scope consists of 4 decoupled riser systems featuring, four submerged buoys each of 1…
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