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Abstract

Well integrity has been specifically documented in particular in Norsok D-010 and in ISO/TS 16530 with leak paths and subsequent risk assessment, well barrier elements (WBE), monitoring and maintenance. Several companies have developed their own methodology for well integrity management including new software that has been developed to help operators plan and optimize maintenance, based on lessons learned from well equipment failure. However to ensure the safety of a storage facility, well integrity management has to be complemented by storage integrity management (Bonnier et al., 2015). Getting information on storage status during operation is difficult since these huge storing volumes cannot be accessed for direct in-situ controls. For example, in leached salt caverns, indirect observations are possible but the logistics required prevents continuous observations. Here we present two complementary indirect methods that contribute to the assessment of storage integrity: microseismic monitoring and PVT modelling. This joint approach is applicable to all storage types. A case of a multi salt cavern gas storage facility is presented in this document.

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/content/papers/10.3997/2214-4609.201701669
2017-06-12
2024-03-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201701669
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