Flow assurance

Flow-Assurance-Management Strategy Considerations for a Deepwater Gas Field

This paper describes the key flow-assurance challenges for a deepwater gasfield development in the South China Sea and the considerations and steps taken to achieve an overall flow-assurance-management strategy.

Deepwater DP drilling platform with supply vessel
A new point of reference offers a clearer distinction that separates well plugging and abandonment activities and a facility’s removal operations in decommissioning projects.
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The complete paper describes the key flow-assurance challenges for a deepwater gasfield development in the South China Sea and the considerations and steps taken to achieve an overall flow-assurance-management strategy. The discussion covers early-stage feasibility studies through the stage of project execution at the time of writing. In addition, flow-assurance analysis is highlighted as a key input for startup and commissioning guidelines as well as operating procedures.

Project Background

This gasfield development consists of a semisubmersible more than 100 km offshore in the South China Sea. The water depth is approximately 1500 m, with a minimum seabed temperature of less than 4°C. The design incorporates Eastern and Western production loops spanning more than 40 km of the subsea production system (SPS) in total.

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