offshore

Linhua4-1 was China’s first tieback subsea development project. To develop this marginal oil field, a number of technical challenges were overcome through a series of new technologies, and their successful development and implementation.

This paper introduces a fit-for-purpose surface-controlled formation-isolation valve (SFIV) designed for the temporary well suspension required for this strategy.

There is an increasing need to understand the strength and durability of subsea wellheads and conductors.

This paper presents results from full-scale testing of a flexible riser equipped with embedded sensors for distributed-temperature sensing (DTS).

Deepwater capital expenditure is expected to more than double compared to the previous 5 year period. Douglas-Westwood also expects a continued trend toward exploration in ultradeepwaters in depths greater than 2000 m.

Over the next decade, the number of electrically powered subsea systems in operation around the world will increase as companies adopt new technologies to produce oil and gas offshore more efficiently.

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.

The large number of floating production, storage, and offloading units (FPSOs) commissioned more than a decade ago now require offshore-asset-integrity management and maintenance.

Passive fire protection (PFP) has been used as a method to avoid/delay global collapse of offshore installations. Location of PFP is often based on simplistic assumptions, standards, guidance, and methods that do not always consider the real response of the structure to fire.