Technique speeds up downhole leak detection

Offshore staff

ABERDEEN, UK – READ has introduced a new micro-leak detection service claimed to improve operational safety and minimize downtime.

It combines GE Oil & Gas’ NTO acoustic noise tool and READ’s micro-leak detection service line to generate a detailed map of downhole acoustic energy.

This, combined with measurements from flow meter and fast response temperature sensors, is said to lead to precise location of leak sites, identification of active flow pathways, and determination of the sources of flow energy.

The READ software segregates acquired acoustic data according to the frequency of the captured sound energy, enabling spectral analyses of the data and diagnosis of unwanted flow events associated with well integrity issues.

READ’s new system is the result of collaboration with GE, said technical director Tobben Tymons. “We also worked closely with our customers across the North Sea and Middle East regions to develop a solution that delivers enhanced performance and fast-response analysis allowing operators to quickly identify integrity issues on wells of all types and stages in their life cycle.

“The information we provide allows operators to plan and prioritize their response to integrity issues, therefore saving time and resources through risk reduction and time loss prevention.”


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