Embodiments of the present invention include a fiber optic seismic sensing
system for permanent downhole installation. In one aspect, the present
invention includes a multi-station, multi-component system for conducting
seismic reservoir imaging and monitoring in a well. Permanent seismic
surveys may be conducted with embodiments of the present invention,
including time-lapse (4D) vertical seismic profiling (VSP) and extended
micro-seismic monitoring. Embodiments of the present invention provide
the ability to map fluid contacts in the reservoir using 4D VSP and to
correlate micro-seismic events to gas injection and production activity.