Petrobras, Brazil oil and gas, subsea oil and gas, rigid risers, flexible risers, presalt oil and gas

Challenges posed by the hostile environmental characteristics of Brazilian presalt oil and gas fields have prompted Petrobras to weigh use of rigid risers instead of flexible risers, which are mostly used by the company offshore Brazil.

India’s three upstream companies have lined up separate plans to develop marginal/small discovered fields in three contract areas offshore in the Mumbai Basin in a cluster method by sharing existing subsea infrastructure of neighbors.

The company challenged existing practices, removed unnecessary materials and equipment and rationalized stocking and logistics, according to Harry Brekelmans, projects and technology director for Shell.

Novel approach saves time and reduces risk for offshore casing installations.

BP, oil and gas discoveries

The new discoveries are also the latest bright spot for the North Sea after a number of large new fields started up in recent years, helping to reverse a long and gradual decline in output since the late 1990s.

Aker BP CEO Karl Johnny Hersvik said Feb. 2 that in addition to running four to five drilling operations in parallel through the year, near-term exploration is also among the company’s focus areas.

A larger FPSO unit and subsea systems could be in store for the second phase of the ExxonMobil-operated Liza development offshore Guyana.

Noble Energy and partners are barreling toward first gas by year-end 2019 for the Leviathan development offshore Israel, having doled out more than 150 major contracts after the $3.75 billion project was sanctioned in 2017.

When the issue of subsea wells is broached all too often the top-hole construction is a neglected area. But if Norwegian-based Neodrill get its way that will soon change.

The project will initially develop the Tortue discovery; however, there are several other smaller discoveries and more than a dozen prospects nearby that could add upside to this Atlantic Margin presalt play.

The Brazilian major intends to drill an average of 29 exploratory wells annually by 2020, nearly double the average number of wells drilled in 2016 and 2017.

Peterson, joined by Maersk Oil North Sea UK Ltd., Petrofac and Dana Petroleum Ltd., launched the scheme in July 2017 but did not announce it until the first week of January 2018.

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