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The world's first full-scale subsea gas compression system is the final stages of construction and is on schedule to be installed in the Åsgard gas field offshore Norway by year's end.

The oil and gas industry is a major driver of high-performance computing development, particularly for upstream seismic processing and permanent field monitoring. But exploration and production still lags behind other industries in the use of digitization.

Once again, we find ourselves in a time of extreme challenges on many fronts in the arena of well construction, with corresponding needs for technological advancements.

Drilling horizontal infill wells in the Pierce field in the UK central North Sea is challenging because of a narrow drilling window caused by depletion in a highly fractured reservoir.

Casing drilling is a method by which the well is drilled and cased simultaneously.

Managed-pressure drilling (MPD) has been used in Vietnam since 2007 to address a number of drilling and reservoir challenges.

In 2011, the Kuwait Oil Company (KOC) considered enhancement of equipment specifications for deep drilling rigs to integrate state-of-the-art technologies.

In recent years, an unprecedented upsurge in offshore field-development activity has been driven largely by the corresponding sustained surge in oil price on world markets.

Deepwater field developments are regarded as standard technology in several areas of the world, but in harsher environments, extreme design loads and increased fatigue loading become more challenging.

This paper compares the main features of the Schiehallion and Quad 204 TMSs, reporting the performance of key components over 15 years of operation.