Mechanical Properties of Shale Gas Reservoir: A Case Study from Haynesville Shale, United State of America
Publish place: Journal of Earth Sciences and Technology، Vol: 3، Issue: 1
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_HTPUB-3-1_005
تاریخ نمایه سازی: 15 آبان 1401
Abstract:
Characterization of rock heterogeneity in organic-shale reservoirs based on core data necessitates a vast database of core measurements. To identify the potential zones for fractures and rock classification, it is important to evaluate the petrophysical and elastic qualities of the formation, which is in this study: Haynesville Formation. Rock classification approaches based on well logs can be more efficient than those based on cores, and they allow for formation characterisation at different depths as well. Few rock categorization approaches are highlighted that include well logs and the calculations of elastic properties in order to identify confining pressure, rock brittleness, and rock classification of Haynesville Shale. The result of this study comprises of the identification of confining pressure where there is low confining pressure that causes splitting-shear failure in Haynesville Shale. Besides, the rock brittleness index in this study area rises as it claims that the increase in Young’s Modulus with little value of Poisson’s Ratio, as well as the greater content of quartz and small illite concentration. The brittleness index, organic richness, and volumetric quartz and illite concentrations are used to classify the rocks of the Haynesville Shale into four rock classes. The result can be further justified that rock class ۴ is the most brittle and least organically rich due to the high quartz and low illite concentrations.
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Authors
Nurhawanis bt Jamuri
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