Brittleness index predictions from Lower Barnett Shale well-log data applying an optimized data matching algorithm at various sampling densities
Sign Up to like & getrecommendations! Published in 2020 at "Geoscience frontiers"
DOI: 10.1016/j.gsf.2020.09.016
Abstract: Abstract The capability of accurately predicting mineralogical brittleness index (BI) from basic suites of well logs is desirable as it provides a useful indicator of the fracability of tight formations. Measuring mineralogical components in rocks… read more here.
Keywords: brittleness index; data matching; index; matching algorithm ... See more keywords
Mineralogical brittleness index as a function of weighting brittle minerals—from laboratory tests to case study
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2020.103278
Abstract: Abstract Shale brittleness is one of the essential parameters for shale gas reservoir evaluation. Based on correlation analysis between triaxial test and XRD results of shale samples from Wufeng-Longmaxi formations in Shuanghe outcrop area in… read more here.
Keywords: brittleness index; index; brittle minerals; mineralogical brittleness ... See more keywords
Direct inversion for shale brittleness index using DRAM-MCMC method
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DOI: 10.1190/geo2022-0567.1
Abstract: The reservoir brittleness index can characterize the relative brittleness of shale oil and gas reservoirs, which provides guidance for hydraulic fracturing in the later stage of oil and gas exploration and development. It is a… read more here.
Keywords: mcmc; index; gas; inversion ... See more keywords
Effect of anisotropy, angle, and critical tensile stress and confining pressures on evaluation of shale brittleness index — Part 1: Methodology and laboratory study
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DOI: 10.1190/int-2018-0143.1
Abstract: Brittleness is an important evaluation parameter in shale fracturing. Current methods of brittleness evaluation can be classified into two categories: elastic parameter-based and mineral content-based methods. However, both categories neglect the effect of anisotropy on… read more here.
Keywords: effect anisotropy; methodology; brittleness; brittleness index ... See more keywords
The Characteristic and Distribution of Shale Micro-Brittleness Based on Nanoindentation
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DOI: 10.3390/ma15207143
Abstract: Shale is a special kind of rock mass and it is particularly important to evaluate its brittleness for the extraction of gas and oil from nanoporous shale. The current brittleness studies are mostly macro-evaluation methods,… read more here.
Keywords: micro brittleness; brittleness index; brittleness; shale ... See more keywords