Drilling an Array of Monitoring Wells for a CCS Experiment: Lessons From Otway Stage 3
12 Pages Posted: 29 Mar 2021 Last revised: 31 Mar 2021
Date Written: February 1, 2021
Abstract
The CO2CRC Otway Stage 3 project is developing low-impact methods for near-continuous monitoring of storage sites. This paper reports on the design, drilling, instrumenting, and early results from an array of an injector and five monitoring wells, spread over a km2. Highlights include the deployment and use of distributed acoustic sensors on casing, and baseline injections and interpretation of pressure tomography.
Keywords: CO2 storage; monitoring; DAS; VSP,pressure tomography; earth tides
Suggested Citation: Suggested Citation
Jenkins, Charles and Jenkins, Charles and Barraclough, Paul and Bagheri, Mohammad and Correa, Julia and Dance, Tess and Ennis-King, Jonathan and Freifeld, Barry and Glubokovskikh, Stanislav and Green, Chris and Gunning, James and Gurevich, Boris and Isaenkov, Roman and Jackson, Samuel and Pevzner, Roman and Ricard, Ludovic and Tertyshnikov, Konstantin and Wilkins, Andy and Wood, Todd and Yavuz, Sinem and Yurikov, Alexey, Drilling an Array of Monitoring Wells for a CCS Experiment: Lessons From Otway Stage 3 (February 1, 2021). Proceedings of the 15th Greenhouse Gas Control Technologies Conference 15-18 March 2021, Available at SSRN: https://ssrn.com/abstract=3814479 or http://dx.doi.org/10.2139/ssrn.3814479
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