PLEMSPacific Lighthouse Environmental Management Services Inc. (Canada)
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Terms call for JP Kenny to provide engineering, procurement, installation management and overall project management and coordination of facilities for the field, which will initially be produced as a two-well tieback to the Magnolia platform; the development will comprise a flowline pigging loop with in-line sleds and pipeline end manifolds (PLEMs).
Work scope also includes the engineering design, fabrication, installation and commissioning of two Pipeline End Manifolds (PLEMS) which will provide tie-ins for multiple subsea wells at Aspen.
The project scope included the setting of two long base line (LBL) arrays--a collection of acoustic beacons or transponders--to ensure the accurate installation of two Shell-supplied pipeline end manifolds (PLEMs) at each end of the six-inch flowline; i.e., one at the Einset well and one at the SE Tahoe 1 well.
"We hit our target boxes for installing the PLEMs with excellent precision due to the good work of the Seaway Falcon," said Koi.
The PLEMs themselves represented a challenge as well, says Koi, explaining that Stolt designed and fabricated a purpose-built PLEM handling frame to accommodate their size and facilitate installation.
Stolt installed the PLEM handling frame on the Seaway Falcon's port side to facilitate manual welding the PLEMS to each end of the flowline, which Stolt lifted from the seabed floor to secure the pipe in the frame.