PoroTomo - Distributed Temperature Sensing (DTS) Measurements made in Brady Observation Well 56-1

Abstract

This submission is a follow-up to Distributed Temperature Sensing (DTS) measurements made in Brady observation well 56-1 during the PoroTomo field experiment conducted in March, 2016. The measurements in this data set were made on August 24, 2018 over an approximately 20 hour period. The fiber-optic cable extends to the bottom of the well at 367 m below the wellhead. Measurements were made with a Silixa XT DTS interrogator configured to continuously record in each file a sixty-second average of stokes and anti-stokes readings on a single channel with a bottom hole U-bend. The 2016 data were collected using a Silixia Ultima with 12.5 cm spatial sampling, whereas the XT spatial sampling interval is 25 cm with a temperature resolution of 0.03 C. Raw, uncalibrated data were converted to a single .MAT file using code provided by Oregon State University's CTEMPs https://ctemps.org/data-processing. The binary Matlab file containing processed Silixa XT data is read using the Matlab statement "load('Brady_25Aug2018_ch1.mat')", which contains the arrays below. Arrays with 2361 rows represent the channels and arrays with 1210 columns represent the one-minute samples.

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Additional Info

DOE Project Name: PoroTomo: Poroelastic Tomography by Adjoint Inverse Modeling of Data from Seismology, Geodesy, and Hydrology
DOE Project Number: EE0006760
DOE Project Lead: Elisabet Metcalfe
DOI: 10.15121/1495412
Last Updated: over a year ago
Jan
2019
Data from January, 2019
Submitted Jan 28, 2019

Contact

Oregon State University


Status

Publicly accessible License 

Authors

Christopher Kratt
Oregon State University
Thomas I. Coleman
Silixa
Scott W. Tyler
Oregon State University
Herbert F. Wang
University of Wisconsin
Douglas E. Miller
Massachusetts Institute of Technology
Kurt L. Feigl
University of Wisconsin

Keywords

geothermal, energy, DTS, Brady, PoroTomo, CTEMPs, Fiber optic, Silixa, distributed temperature sensing, well 56-1, Matlab, data, poroelastic tomography, Brady Hot Springs, Nevada, NV, observation well, Silixa XT

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