Invention Grant
US07797996B2 Permanently installed in-well fiber optic accelerometer-based sensing apparatus and associated method 有权
永久安装的基于光纤加速度传感器的传感装置及相关方法

Permanently installed in-well fiber optic accelerometer-based sensing apparatus and associated method
Abstract:
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.
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