Decommissioning
Expressions of interest released by the operator include everything from abandonment to life extension.
The paper reviews an operator’s deepwater field project offshore Mauritania, for which several techniques were considered with respect to decommissioning a subsea pipeline system at water depths of 700 to 960 m.
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The complete paper discusses the systematic approach adopted by a service company to achieve the goal of safely abandoning wells offshore southwest Brazil with different completion types using light workover vessels. -
Even before the global pandemic impacted markets, decommissioning work in the North Sea region was expected to increase. Global decommissioning projects could reach $42 billion by 2024.
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This study used ultrasonic logging to evaluate reference barrier cells constructed with known defects. The cell concept was developed with an emphasis on low cost and ease of use.
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After being acquired in 2019, the Well-Safe Guardian semisubmersible was extensively overhauled and upgraded. Fugro is the second company to be awarded work this year on the asset.
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Ardyne’s North Sea long-term contracts were for 175 wells with possibly more to follow, while Allseas contract is for removal and disposal for the Valhall complex.
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The partnership will fund research projects that aim to improve the understanding of the environmental impacts of decommissioning and provide guidance on best options from an environmental perspective.
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Developing an asset requires key investment decisions to be made early in the process, and as a result, some critical cost evaluations—such as abandonment—are often ballpark estimates. Adjusting the parameters for evaluating these costs can lead to more-accurate project valuations.
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The complete paper describes the potential global scientific value of video and other data collected by ROVs.
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Across the West, thousands of oil and gas wells sit idle on federal lands, and many are orphaned with the companies that drilled them now defunct. These orphaned wells can pose environmental and safety hazards, but, as critics note, the Bureau of Land Management does not have a good way of tracking
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With production declining and a nearby terminal closed, UK authorities have given the nod for decommissioning to begin on the aging North Sea gas field. Perenco has been in operation since 1992, with Perenco taking over as operator from BP in 2003.
