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A Long-term Seafloor Deformation Monitoring Campaign at Ormen Lange Gas FieldNormal access

Authors: R. de Vries, T. Noble, P. Hatchell, S. Dunn, T. Frafjord and A. van den Beukel
Event name: First EAGE Workshop on Practical Reservoir Monitoring
Session: Realising Business Value Through Deformation Monitoring
Publication date: 06 March 2017
DOI: 10.3997/2214-4609.201700030
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 870.69Kb )
Price: € 20

Seafloor deformation monitoring is a new technology concept for offshore oil and gas reservoir monitoring. It has the potential to cheaply and continuously monitor long term production induced changes in the reservoir and overburden and the data can also be used to spot any instantaneous events such as overburden instability or fault slip. At Ormen Lange, Norway´s second largest gas field, a small trial network was deployed on the seafloor in 2007, followed by a full-field network in 2010. The network was operational for 5½ years before being retrieved in 2016.

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