WISE-CASING: DC Simulation at Containment and Monitoring Institute (CaMI), Calgary, Canada

Published by Lawrence Berkeley National Laboratory | Department of Energy | Metadata Last Checked: June 28, 2025 | Last Modified: 2019-11-20T17:17:20Z

For the model calculation we applied EM3D using completion diagram of CaMI site and a background resistivity consistent with the borehole logs. It was also important to use the accurate position of the return electrode. We note that for the data fit the code also incorporated well casings for well INJ and the other observation well, either OB1 or OB2, in the calculation. In summary, we demonstrate here, for this particular case, that the DC results may be a reasonable approximation to the low frequency EM data collected at CaMI. If this approximation continues to hold, then the extreme computational efficiency offered by the hierarchical modeling used in the DC simulations will permit us to explore far more model complexity, especially the pervasive and troublesome data artifacts that arise when doing EM surveys in mature, culturally developed sites. In Brief, both the low frequency and DC simulation codes provided very consistent results that match the field data really well, indicating their capability to help monitoring borehole integrity with the low frequency EM method.

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5 hz Borehole logs CMC CaMI Canada DC model EM EM3D FDEM FEM Sandia WISE-CASING borehole casing containment and monitoring institute corrosion data electric field electric fields electromagnetic electrostatic rsponse energy excitation experiment field field data forward frequency domain geophysics geothermal hierarchical modeling integrity low frequency low frequency EM method modeling modelling numerical potential field simulated simulation validation well wellbore

Complete Metadata

bureauCode	[ "019:20" ]
dataQuality	true
DOI	10.15121/1560531
identifier	https://data.openei.org/submissions/7307
issued	2019-04-30T06:00:00Z
landingPage	https://gdr.openei.org/submissions/1171
programCode	[ "019:006" ]
projectLead	Mike Weathers
projectNumber	EE0033208
projectTitle	Wellbore Integrity asSEssment with Casing-based Advanced SenSING (WISE-CASING)
spatial	{"type":"Polygon","coordinates":[[[-114.31123515625,50.036152670671],[-112.46563320312,50.036152670671],[-112.46563320312,51.271714233863],[-114.31123515625,51.271714233863],[-114.31123515625,50.036152670671]]]}

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