Sonar Metering Optimizes Production in Liquid-Loading-Prone Gas Wells

Journal of Petroleum Technology 

This paper discusses the use of clamp-on sonar flowmeters to minimize losses associated with well testing and to gain the subsequent benefits seen with respect to production optimization and well deliquefication. Clamp-on sonar flowmetering is a nonintrusive technology that measures the flow velocity of the fluid stream. This intensive well-management strategy has assisted in reducing the production decline of the East Brae field in the North Sea. The East Brae platform (Figure 1 above) is located 275 km northeast of Aberdeen in Block 16/3a in a water depth of 110 m. The reservoir comprises high-permeability sands deposited by turbidity currents.

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