CHPATER 10A SHELL DEEPWATER COMPANIES SUBSEA SYSTEMS OVERVIEW

• Jurisdiction: United States

Oil and Gas Development on the Outer Continental Shelf
(Oct 1998)
CHAPTER 10A
SHELL DEEPWATER COMPANIES SUBSEA SYSTEMS OVERVIEW
Peter K. Velez
Shell Offshore Inc.
New Orleans, Louisiana

Definition of Terms

• Subsea — Located on the sea floor.

• Host Facility — A fixed or floating OCS facility that receives produced hydrocarbons from, and provides control and monitoring support to a subsea development.

• Hub — A host facility that serves as a gathering point for a number of subsea developments.

• Intervention — Using a drilling rig or specialized vessel to reenter a subsea well for maintenance or flow enhancement purposes.

• Laydown Sled — Distribution device for hydraulic or electric controls and chemical injection.

[Page 10A-2]

• Subsea Manifold — A subsea device that serves as a collection and distribution point for produced hydrocarbons from subsea wells.

• Subsea Wellhead — Series of control valves on sea floor that permits access to and recovery from the well bore.

• Flowline — Piping that carries produced hydrocarbons from the well, to manifolds and from the manifold to the host facility.

• Umbilical — Electric and/or hydraulic lines from host facility for purpose of...