2016
DOI: 10.22564/rbgf.v34i1.374
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Application of the Electrical Resistivity Method to Identify Karst Features: Geotechnical and/or Geoenvironmental Implications for Hydrocarbon Exploration Areas

Abstract: ABSTRACT. Areas with geological substrate composed of carbonate rocks, such as some areas of hydrocarbons exploration and production, occasionally may be related to cases of subsidence of the surface, sometimes caused by the instability of the areas associated with zones of dissolution and its voids, which commonly evolve from systems of pre-existing fractures. The physical infrastructure of these areas (buildings, oil storage tanks and waste materials, and others) can be compromised, affecting, in turn, the i… Show more

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“…Numerous studies have employed Electrical Resistivity Tomography (ERT) as a geophysical method to investigate karst areas. These investigations have sought to acquire information on the location of subsurface sinkhole cavities [3], characterize the subsurface karst environment [4], and visualize dissolution zones within karst systems to determine the risk of surface collapse [5]. Other studies have highlighted the significant difference in resistivity between watersaturated karst and karst bedrock [6], sinkhole formation due to the widening of vertical dissolution at the intersection of three series of conduit channels [7], and the geological characteristics of cavities and other features in highly heterogeneous karst environments [8].…”
Section: Introductionmentioning
confidence: 99%
“…Numerous studies have employed Electrical Resistivity Tomography (ERT) as a geophysical method to investigate karst areas. These investigations have sought to acquire information on the location of subsurface sinkhole cavities [3], characterize the subsurface karst environment [4], and visualize dissolution zones within karst systems to determine the risk of surface collapse [5]. Other studies have highlighted the significant difference in resistivity between watersaturated karst and karst bedrock [6], sinkhole formation due to the widening of vertical dissolution at the intersection of three series of conduit channels [7], and the geological characteristics of cavities and other features in highly heterogeneous karst environments [8].…”
Section: Introductionmentioning
confidence: 99%