Page 12: of Offshore Engineer Magazine (Jul/Aug 2019)

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SUBSEA Well Intervention

Welcome to the App Store

By Elaine Maslin magine a kind of app store for subsea xmas trees; a plug- Ian Donald, Enpro’s CEO, says, “The old standardization in platform into which a myriad of functionality can be method was to ? t everything that the ? eld might need through- added and changed to suit. It’s a concept being pitched out the life of ? eld on the tree or manifold, which adds to

Iby UK subsea technology ? rm Enpro, except it’s calling cost and schedule. There’s an alternative; use things you need it a “process USB” port. when you need them,” he says. “Have a tree and manifold

The idea is that operators can order stock xmas trees for off the shelf then use FAMs to get to ? rst oil faster. Then you their projects and then use a Flow Access Module (FAM) hub can have advanced functionality without needing a bespoke to augment its capabilities, as and when required, from inter- tree, you minimize the xmas tree footprint and you have future vention operations to ? ow metering or pigging. proo? ng. Put on what you need when you need it.”

The FAM sits within the jumper where it connects to the tree The ? rst FAM was deployed in 2016, on BP’s Nakika K3 (or manifold) and provides a hub that is used for interchangeable (Keplar) satellite in the US Gulf of Mexico. There, a standard

FAM modules, from ? eld commissioning to decommissioning. tree with a manifold tie-in was used. Normally, here, a ? ow-

Enpro’s technology, which can interface with any original loop would be used, says Donald, but this would have been equipment manufacturer subsea production system, has been uneconomical to reach the optimal tophole location. Instead, created by the same team that previously founded DES Op- a spur line was used supported by a FAM with a multiphase erations which, along with the MARS (Multiple Application ? ow meter, water cut meter and sand detector. To manage the

Reinjection System) technology they invented, was sold to ? ow at the other end of the spur, a ? ow assurance FAM mod-

Cameron in 2007. ule was deployed. According to BP, tens of millions of dol-

Left: An Enpro

FIS Subsea

Safety Module (SSM) on deck prior to deployment.

Right: An

Enpro FAM ? ow assurance module during system integration test (SIT).

Source: Enpro 12 OFFSHORE ENGINEER OEDIGITAL.COM