Universal land acquisition 14 years later

Pecholcs, Peter I.; James, Richard Hastings; Barsoukov, Nikolai; Al-Ramadhan, Abdullah A.

doi:10.1190/1.1817313

Cited by 1 publication

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“…When a seismic survey is designed for deep targets, e.g., a few kilometers, the imaging of the near surface can be a challenge (see, e.g., Pecholcs et al, 2002 andVesnaver, 2004, among others). Single-source single-sensor surveys, also known as dense, wide aperture surveys, have been successfully used for many highresolution studies of active faults and volcanic areas (e.g., Operto et al, 2004, Improta and Bruno, 2007, Bruno and Castiello, 2009, and Bruno et al, 2013, but only recently this field technique has been validated for large-scale 2D and 3D surveys (El-Emam and Khalil, 2012;Marmash et al, 2014;Granser et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Groundwater characterization in arid regions using seismic and gravity attributes: Al Jaww Plain, UAE

Bruno

Vesnaver

2021

Front. Earth Sci.

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This paper discusses a multivariate approach aimed at geophysical characterization of subsurface rocks for groundwater exploration in arid environments. We integrate several findings obtained from a single-source, single-sensor seismic profile with gravity data to detail the tectonic settings and characterize the subsurface, water-bearing formations of the Al Jaww Plain, one of the most important groundwater reserves of the United Arab Emirates. The seismic data have been acquired in the framework of the first EAGE Middle-East Bootcamp. Edge-detection techniques applied to the Bouguer anomaly map of the Al Jaww Plain allowed us to infer the presence of unreported ENE trending tectonic lineaments. The prestack depth migrated seismic image shows a clear and previously unreported east-verging thrust affecting seismic wave propagation and consistent with gravity data which was interpreted as an evidence of a detachment fold and thrust above the bottom of Fiqa Formation. Using the first-arrival picking from the common shot gathers, we tested a coupled tomographic inversion of P-wave velocity and Q factor which was aimed at achieving a qualitative characterization of rock petrophysical properties. K-means clustering was used to classify and map subsurface areas characterized by similar observations of P- and Q-wave velocity and therefore to outline shallow zones (<600 m) that are consistent with geophysical properties which are typical for water accumulations and within the reach of water groundwater exploration.

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