A Brief Description of Extended Well Testing (EWT) System

This paper discusses mainly the component, characteristics and main uses of extended well testing system, main factors considered in design, and the system application. . Component of the system : the system is mainly composed of jack-up platform, floating hose, 2-point submarine buoy mooring system, and storage tanker. . Characteristics of the system : the system can use fully the existing equipment with less investment, gaining benefit early, flexible operation, safety and reliableness, repeated utilization, easy to relocate and low cost. . Usage of the system : the system is used in reservoir testing before development reservoir data can be got, reliable basis can be provided for the policy making of oil field development, and the developing risk of oil field can be reduced through the testing. Furthermore, the system can be also used in the development of marginal fields. . Main factors considered in the design : the system adopts firstly the new technology of 2-point submarine buoy mooring system and simple process flow sheet with only degassing and no dehydration. Reliable measures are taken to ensure safety production from the angle of design and usage. . Usage condition : it is proven by practice that connection and disconnection of the system are very convenient with flexible operation and reliableness. The shuttle tanker can be moored side by side conveniently using 2-poit submarine buoy mooring system.