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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Caspian Basin
Structure and formation of mud volcanoes in the South Caspian Basin according to seismic data Available to Purchase
Oil and Gas Content of the South Caspian Basin Available to Purchase
Wide-Azimuth, Broadband, and High-Density Seismic Technology and Its Application for Prediction of Residual Oil Distribution Available to Purchase
Integrating the Geology, Seismic Attributes, and Production of Reservoirs to Adjust Interwell Areas Available to Purchase
Geological Aspects of Energy and Environmental-Safety Problems in the Caspian Region Available to Purchase
Understanding lateral and vertical fluid variations in the Pliocene sandstone reservoirs in the eastern South Caspian Basin Available to Purchase
Multiscale nonlinear inversion of gravity data for depth-to-basement estimation via coupled stochastic-deterministic optimization Available to Purchase
Seismic-Moment Tensor of Earthquakes in Azerbaijan for 2012–2015 Available to Purchase
Crystal chemistry of halurgite, Mg 4 [B 8 O 13 (OH) 2 ] 2 ·7H 2 O, a microporous heterophylloborate mineral Available to Purchase
Structure of giant buried mud volcanoes in the South Caspian Basin: Enhanced seismic image and field gravity data by using normalized full gradient method Available to Purchase
Geomechanical characterization of mud volcanoes using P-wave velocity datasets Available to Purchase
Abstract: Mud volcanoes occur in many petroliferous basins and are associated with significant drilling hazards. To illustrate the type of information that can be extracted from limited petrophysical datasets in such geomechanically complex settings, we use P-wave velocity data to calculate the mechanical properties and stresses on a two-dimensional vertical section across a mud volcano in the Azeri-Chirag-Guneshly field, South Caspian Basin. We find that: (1) the values of the properties and stresses calculated in this way have realistic magnitudes; (2) the calculated pore fluid pressures show spatial variations around the mud volcano that potentially highlight areas of fluid recharging after the most recent eruption; and (3) the information obtained is sufficient to provide helpful indications of the width of the drilling window. Although calculations of this kind may be readily improved with more sophisticated petrophysical datasets, the simplicity of this approach makes it attractive for reconnaissance surveys designed to identify targets worthy of further investigation in developing our understanding of mud volcano geomechanics, or which could be used to help formulate drilling strategies. Correction notice: The original version was incorrect. All instances of mbsf (metres below seafloor) should have read mbsl (metres below sea-level).