Real-time microseismic overburden surveillance at the Grane PRM field offshore Norway

S. Bussat; M. Houbiers; Z. Zarifi

doi:10.3997/1365-2397.n0084

ISSN: 0263-5046
E-ISSN: 1365-2397

Real-time microseismic overburden surveillance at the Grane PRM field offshore Norway
Authors S. Bussat¹, M. Houbiers¹, Z. Zarifi¹
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Affiliations: ¹ Statoil
Source: First Break, Volume 36, Issue 4, Apr 2018, p. 63 - 70
DOI: https://doi.org/10.3997/1365-2397.n0084
- Published online: 01 Apr 2018

Abstract

Real-time microseismic detection at offshore hydrocarbon fields is on its way to becoming a standard monitoring tool. Recently, increased focus on injection and overburden surveillance for an improved health, safety and environment (HSE) and cost saving has led to this development. Several hydrocarbon fields are already equipped with permanent reservoir monitoring (PRM) systems with seismic sensors permanently installed at the seafloor (Caldwell et al., 2015), and similar installations are planned or under consideration for some other offshore fields. PRM systems are in principle designed for acquiring active time-lapse seismic data 1–2 times per years, and as such, they are not used during most of their lifetime. But apart from active seismic, PRM systems can also be used for recording passive seismic data. With appropriate processing and analysis methods, such as microseismic event detection, the continuous stream of passive data can be converted into useful real-time subsurface information. This results in improved HSE, and therefore a more valuable PRM system.

EAGE Publications BV

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2024-04-23

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Real-time microseismic overburden surveillance at the Grane PRM field offshore Norway

First Break 36, 63 (2018); https://doi.org/10.3997/1365-2397.n0084

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Real-time microseismic overburden surveillance at the Grane PRM field offshore Norway

Abstract

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