Page 3: of Offshore Engineer Magazine (Aug/Sep 2014)

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August 2014

Contents

GEOLOGY & GEOPHYSICS 42 Trending upward

Audrey Leon discusses recent technological trends occurring in the geophysical sector with several leading companies.

48 The HPHT challenge

High-pressure high-temperature developments are on the increase in the UK North Sea. Elaine Maslin explains.

50 Sampling the pre-salt

Halliburton’s Antônio Mataruco, Flávio Dias, and Fernando

Marcançola discuss the ? rst fully acoustic-telemetry downhole sampling operation in deepwater Brazilian pre-salt.

DRILLING & COMPLETIONS 54 Metal-to-metal completion technology

Well integrity has been de? ned by a reactive approach. Mark

Rivenbark looks at an alternative approach.

58 Planning for success

Feature

Weatherford’s Yvonne McAnally and Ben Lake show how collaboration and integrated methodology delivered an

Deepwater intervention operator’s ? rst subsea well project in Norway.

28

Intervention allies 62 Adding a secondary barrier against gas

Sarah Parker Musarra spoke with FTO Sarah Parker Musarra spoke with FTO migration in deepwater environments

Services’ Vidar Sten-Halvorsen to learn more

Secondary mechanical pressure barriers could help about the company’s new intervention vessel.

ease regulatory bodies’ concerns around effective zonal isolation in wells. 32 Point by point: Intervention

Audrey Leon spoke with representatives of

EPIC

Helix Energy Solutions, FMC Technologies, and consultant Robert Keith of R.J. Keith & 68 From simulation to WRR

Associates, to discuss topics affecting the

Offshore lifting combines heavy offshore assets with detailed intervention sector.

analysis and product care. Elaine Maslin reports.

38 Ativatec makes its mark 72 Heave compensation improves offshore

Claudio Paschoa discusses deepwater lifting operations intervention equipment and services with

Herman Stolle, ABS, and Lee Screaton, Screaton and

Ativatec’s Daniel Almeida Camerini.

Associates, discuss heave compensation’s positive effects on offshore lifting. 78 Meeting lifting standards

Protea has designed its largest crane to date for Statoil’s

Heidrun FSU.

PRODUCTION 80 Bringing decommissioning to life

Sarah Parker Musarra explores decommissioning in the Gulf of Sarah Parker Musarra explores decommissioning in the Gulf of

Mexico, including BSEE’s Rigs to Reefs program. 84 P&A problems

Plugging and abandonment accounts for about 43% of decommissioning costs. Operators and service companies are looking at ways to reduce the bill. Elaine Maslin reports.

ON THE COVERON THE COVER 88 The roadmap to retiring

Heavy metal. Allseas’ twin-hull Pieter Schelte

Dorothy Burke looks at how viewing decommissioning as new mega-heavy lifting vessel is due to berth at the port phase in an asset’s life-cycle could help project plans.

of Rotterdam’s new Maasvlakte, 20 years after it was conceived. The vessel measures 382m long and 124m 90 Stepping-up decomissioning wide, with a 48,000-tonne lift capacity. Read the full

New specialist vessels have the potential to change the face of story on page 12 of our special report

OE Region: Dutch Offshore.

the decommissioning sector. LOC’s Alan Clifton takes a look.

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