How Do Subsea Trees Work? A subsea Christmas tree is the pressure-containing valve assembly mounted on a subsea wellhead that controls, monitors, and safeguards flow from (or injection into) a subsea ...

Several North Sea examples illustrate the advantages of installing high-integrity pressure protection systems (HIPPS) on subsea wells. Many published papers discuss the benefits of subsea HIPPS and ...

Brynjulv Klove, Erling Hestad Saga Petroleum AS Sandvika, Norway Subsea production facilities will enable the satellite Tordis field in the Norwegian sector of the North Sea a degree of flexibility ...