Microseismic Monitoring
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Microseismic Monitoring
Over the past decade, microseismic monitoring, a technology developed for evaluating completions of wells drilled to produce hydrocarbons from unconventional reservoirs, has grown increasingly popular among oil and gas companies. Microseismic Monitoring, by Vladimir Grechka and Werner M. Heigl, discusses how to process microseismic data, what can and cannot be inferred from such data, and to what level of certainty this might be possible. The narrative of the book follows the passage of seismic waves: from a source triggered by hydraulic fracture stimulation, through hydrocarbon-bearing formations, towards motion sensors. The waves’ characteristics encode the location of their source and its focal mechanism. The analysis of various approaches to harvesting the source-related information from microseismic records has singled out the accuracy of the velocity model, fully accounting for the strong elastic anisotropy of hydraulically fractured shales, as the most critical ingredient for obtaining precise source locations and interpretable moment tensors. The ray theory complemented by its modern extensions, paraxial and Fréchet ray tracing, provides the only practical means available today for building such models. The book is written for geophysicists interested in learning and applying advanced microseismic data-processing techniques.
Microseismic Monitoring and Geomechanical Modelling of CO2 Storage in Subsurface Reservoirs
Author: James P. Verdon
language: en
Publisher: Springer Science & Business Media
Release Date: 2012-01-11
This thesis presents an impressive summary of the potential to use passive seismic methods to monitor the sequestration of anthropogenic CO2 in geologic reservoirs. It brings together innovative research in two distinct areas – seismology and geomechanics – and involves both data analysis and numerical modelling. The data come from the Weyburn-Midale project, which is currently the largest Carbon Capture and Storage (CCS) project in the world. James Verdon’s results show how passive seismic monitoring can be used as an early warning system for fault reactivation and top seal failure, which may lead to the escape of CO2 at the surface.
Microseismic Monitoring and Stability Analysis of Large Rock Mass Engineering
This book explores the advanced techniques of microseismic monitoring and stability analysis in large-scale rock mass engineering projects. It delves into the intricate details of slope stability, excavation effects, and the mitigation of geological hazards. Readers will find valuable insights into the application of numerical simulations and real-time monitoring methods, with comprehensive case studies illustrating practical implementation. The book features detailed illustrations, tables, and a new didactic approach that simplifies complex concepts. It provides professionals and researchers with practical guidance and innovative solutions for enhancing the safety and stability of rock engineering projects.