Conventional subsea satellite production well design requires the well to be drilled and completed with the drilling rig before flow line and umbilical are installed with other specialized vessels. This causes a time delay between well drilling/completion and production start-up, amounting to several weeks. By installing a well foundation with integrated conductor, manifold, pipeline and umbilical tie-in points, this costly time delay can be reduced, and facilitate instant or accelerated production.

The CAN® (Conductor Anchor Node) technology is the structural foundation for the well construction. Smaller marine vessels can be used for installation and recovery. Instead of drilling a 36 in. or 42 in. hole, running the conductor, and cementing operations, a vessel is used to install the well foundation ahead of rig arriving. The technology also offers unparalleled load capacities for satellite production wells, mitigating operational risk by preventing mobilization and handling of spud BHA and conductor handling equipment on the rig, preventing conductor as well as cementing failures, excellent inclination control and many more technical, cost, and environmental benefits.

In summary these advantages result in increased efficiency, shorter project execution time, faster time to first oil, reduced operational risk and lower cost ultimately lowering the CO2 footprint (21-44% reduction, or 400-600 mT of CO2) of the top-hole section of any well, development as well as exploration wells.

You can access this article if you purchase or spend a download.