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Title: Advances in Rotational Seismic Measurements

Abstract

Rotational motion is increasingly understood to be a significant part of seismic wave motion. Rotations can be important in earthquake strong motion and in Induced Seismicity Monitoring. Rotational seismic data can also enable shear selectivity and improve wavefield sampling for vertical geophones in 3D surveys, among other applications. However, sensor technology has been a limiting factor to date. The US Department of Energy (DOE) and Applied Technology Associates (ATA) are funding a multi-year project that is now entering Phase 2 to develop and deploy a new generation of rotational sensors for validation of rotational seismic applications. Initial focus is on induced seismicity monitoring, particularly for Enhanced Geothermal Systems (EGS) with fracturing. The sensors employ Magnetohydrodynamic (MHD) principles with broadband response, improved noise floors, robustness, and repeatability. This paper presents a summary of Phase 1 results and Phase 2 status.

Authors:
 [1];  [1];  [1]
  1. Applied Technology Associates, Albuquerque, NM (United States)
Publication Date:
Research Org.:
Applied Technology Associates, Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1330358
DOE Contract Number:  
EE0005511
Resource Type:
Conference
Resource Relation:
Conference: Society of Exploration Geophysicists
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; rotational seismometer; Magnetohydrodynamic

Citation Formats

Pierson, Robert, Laughlin, Darren, and Brune, Robert. Advances in Rotational Seismic Measurements. United States: N. p., 2016. Web. doi:10.1190/segam2016-13956985.1.
Pierson, Robert, Laughlin, Darren, & Brune, Robert. Advances in Rotational Seismic Measurements. United States. doi:10.1190/segam2016-13956985.1.
Pierson, Robert, Laughlin, Darren, and Brune, Robert. Wed . "Advances in Rotational Seismic Measurements". United States. doi:10.1190/segam2016-13956985.1. https://www.osti.gov/servlets/purl/1330358.
@article{osti_1330358,
title = {Advances in Rotational Seismic Measurements},
author = {Pierson, Robert and Laughlin, Darren and Brune, Robert},
abstractNote = {Rotational motion is increasingly understood to be a significant part of seismic wave motion. Rotations can be important in earthquake strong motion and in Induced Seismicity Monitoring. Rotational seismic data can also enable shear selectivity and improve wavefield sampling for vertical geophones in 3D surveys, among other applications. However, sensor technology has been a limiting factor to date. The US Department of Energy (DOE) and Applied Technology Associates (ATA) are funding a multi-year project that is now entering Phase 2 to develop and deploy a new generation of rotational sensors for validation of rotational seismic applications. Initial focus is on induced seismicity monitoring, particularly for Enhanced Geothermal Systems (EGS) with fracturing. The sensors employ Magnetohydrodynamic (MHD) principles with broadband response, improved noise floors, robustness, and repeatability. This paper presents a summary of Phase 1 results and Phase 2 status.},
doi = {10.1190/segam2016-13956985.1},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {10}
}

Conference:
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