Case study: a 3D resistivity and induced polarization imaging from downstream a waste disposal site in Brazil

Ustra, Andréa Teixeira; Elis, Vagner Roberto; Mondelli, Giulliana; Zuquette, Lázaro Valentin; Giacheti, Heraldo Luiz

doi:10.1007/s12665-011-1284-5

Cited by 52 publications

(26 citation statements)

References 22 publications

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“…In this context, the induced polarization technique is commonly used in near surface studies (Oldenburg and Li ; Kemna, Binley and Slater ; Martinho and Almeida ; Ustra et al . ; Doetsch et al . , among others) and in borehole and cross‐borehole geometries (e.g.…”

Section: Resultsmentioning

confidence: 99%

“…We should take into account that with the ERT technique it cannot be inferred if the detected anomaly is related to a contaminant, such as brine for example, or related to a property inherent to the soil such as clay. In this context, the induced polarization technique is commonly used in near surface studies (Oldenburg and Li 1999;Kemna, Binley and Slater 2004;Martinho and Almeida 2006;Ustra et al 2012;Doetsch et al 2015, among others) and in borehole and crossborehole geometries (e.g. Binley et al 2015) in order to reduce such ambiguity.…”

Section: Surface-downhole Configurationmentioning

confidence: 99%

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Using surface‐downhole ERT for detecting contaminants in deep aquifers due to exploitation of oil reservoirs

Grünhut

Bongiovanni

Osella

2018

Near Surface Geophysics

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The exploitation of a hydrocarbon reservoir, whether conventional or unconventional, may cause environmental damages. Even though sink wells used by oil companies are located much deeper than the aquifers, they may eventually contaminate the water with brine leakage, oil spill or other polluting agents, such as chemicals used in hydraulic fracturing. This makes vulnerability studies extremely important. In this work we aim to detect and characterize contamination of an aquifer that lies above an oil reservoir, at approximately 250 m depth, using electric current injected in the ground surface and voltage sensors installed in the well. At that depth, it is not usual to use downhole measurements to monitor the contaminated aquifer. This gave us the motivation to check if it was possible to identify the contamination of a part of the aquifer using surface‐downhole measurements. In order to achieve this we have designed an electrical model of the reservoir including the aquifer with either a conductive or resistive contaminant such as saline brine, oil spill or CO2, and have numerically simulated the forward and inverse geoelectrical responses. Numerical results show that the detection of contamination is possible only with a surface‐downhole configuration. Our results illustrate the advantage of using the electrical resistivity tomography configuration in order to detect and characterize the contaminated deep aquifers.

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Section: Resultsmentioning

confidence: 99%

Section: Surface-downhole Configurationmentioning

confidence: 99%

Using surface‐downhole ERT for detecting contaminants in deep aquifers due to exploitation of oil reservoirs

Grünhut

Bongiovanni

Osella

2018

Near Surface Geophysics

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“…(Revil et al 2012;Ustra et al 2012;Adhikary et al 2014). This approach is often combined with other intrusive monitoring applications (Binley et al 2002;Johansson et al 2011;Schütze et al 2012).…”

Section: Earth Resistivity Tomography (Ert)mentioning

confidence: 99%

Integrated earth resistivity tomography (ERT) and multilevel sampling gas: a tool to map geogenic and anthropogenic methane accumulation on brownfield sites

et al. 2015

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“…This site was first investigated using a 3-D resistivity imaging technique, as described by Ustra et al (2011). Several piezocone and resistivity piezocone tests were carried out on this site.…”

Section: Example Of Using Rcptu Test and Samplers In A Msw Disposal Sitementioning

confidence: 99%

Geo-Environmental Site Investigation for Municipal Solid Waste Disposal Sites

Mondelli¹,

Giacheti²,

Elis³

2012

Municipal and Industrial Waste Disposal

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Case study: a 3D resistivity and induced polarization imaging from downstream a waste disposal site in Brazil

Cited by 52 publications

References 22 publications

Using surface‐downhole ERT for detecting contaminants in deep aquifers due to exploitation of oil reservoirs

Using surface‐downhole ERT for detecting contaminants in deep aquifers due to exploitation of oil reservoirs

Integrated earth resistivity tomography (ERT) and multilevel sampling gas: a tool to map geogenic and anthropogenic methane accumulation on brownfield sites

Geo-Environmental Site Investigation for Municipal Solid Waste Disposal Sites

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