Subsea 7’s Electrically Heat Traced Flowline (EHTF) technology delivers market leading standards of thermal efficiency based on a unique combination of ultrahigh-performance flowline insulation and low-voltage electric heating to mitigate flow assurance challenges.
A solution which offers significantly enhanced flow assurance properties. EHTF technology allows the carried fluid to be maintained above wax or hydrate appearance temperature along its journey from the wellhead to the host facility. This enables simplification of field architecture by removing the second leg of the production loop often required to enable pigging with dead oil for preservation. The system can operate either in a passive or active functionality. The heat-traced technology can be applied with all pipe metallurgies, at high temperatures and in permanent operation. It offers significantly lower power requirements and lower costs than DEH systems.
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, Subsea 7’s technology publication.