Environmental Site Assessment Of An Oil Field And Detection And Imaging Of Sinkholes Using A Novel Geophysical Method

摘要

Overall, the digital multifrequency source EM system is a versatile, non-invasive geophysical tool that can address a variety of detecting and imaging problems. In the first example, the EM data did not detect any potential problems beneath the two areas of the oil field that could adversely impact the new owner/operator. The EM data sets properly imaged the two well heads and all supporting surface infrastructures of this Louisiana oil field. No buried pipelines were detected.rnThe good correlation of the EM data with known sinkhole problems is very encouraging. Since sinkhole problems are evolving and changing in real time, EM surveys will need to be conducted on a larger scale and more frequently. Subsequent and significant changes in detected anomalies shown by the geophysical data may indicate sinkholes to the surface. In addition, the geophysical data can also show whether remediation efforts to backfill sinkholes were successful by measuring differences in soil electrical conductivity properties.