True Triaxial Testing of Rocks

2012 ◽  
Keyword(s):  
Triaxial Testing ◽  
True Triaxial

Crack tensor-based evaluation of inada granite behavior due to damage under true-triaxial testing condition

2018 ◽  
Vol 106 ◽  
pp. 30-40 ◽  
Author(s):  
Kamran Panaghi ◽  
Aliakbar Golshani ◽  
Minoru Sato ◽  
Takato Takemura ◽  
Manabu Takahashi
Keyword(s):  
Triaxial Testing ◽  
True Triaxial ◽  
Testing Condition

A True Triaxial Testing Cell

2009 ◽  
pp. 819-819-15 ◽  
Author(s):  
V Silvestri ◽  
RN Yong ◽  
AMO Mohamed
Keyword(s):  
Triaxial Testing ◽  
True Triaxial

From Peak Force Quantitative Nanomechanical Mapping Measurements to Triaxial Testing: A Comparative Study of Geomechanical Properties of Clay-Rich Carbonates

2020 ◽  
Author(s):  
Kim S. Mews ◽  
Mustafa M. Alhubail ◽  
Luka Hansen ◽  
Hem B. Motra ◽  
Frank Wuttke ◽  
...  
Keyword(s):  
Young’S Modulus ◽  
Poisson’S Ratio ◽  
Young's Modulus ◽  
Peak Force ◽  
Poisson's Ratio ◽  
Triaxial Testing ◽  
Hydraulic Fractures ◽  
True Triaxial ◽  
Geomechanical Properties ◽  
Drill Cutting

Abstract The assessment of geomechanical properties of unconventional reservoirs is significant as they assist in placement as well as understanding of the geometry and properties of multi-stage hydraulic fractures in horizontal wells. Severe heterogeneities at micro-scale in addition to possibility of having non-intact samples provide opportunities for using micro-mechanics techniques on drill cutting size samples. This will lead to not only have a continuous log of geomechanical properties on heterogeneous formations but also be able to measure the mechanical properties of non-intact samples accurately. This study presents a multi-scale comparison of the elastic properties such as Young’s modulus and Poisson’s ratio on the Eagle Ford Formation. Peak Force Quantitative Nano-mechanical (PF-QNM) AFM-based technique has been performed and compared with true triaxial testing. A new model for AFM evaluation that corrects Young’s modulus in dependency of Poisson’s ratio has been developed. The results indicate that the distribution of Young’s modulus is separated into two regions, one dominated by brittle minerals indicating higher values and one dominated by ductile rock components resulting in lower values. The findings are significant as PF-QNM testing can be performed where only drill cutting-size samples are available, as it shows strong agreement with the triaxial testing result.

True Triaxial Testing System for Clay with Proportional-Integral-Differential (PID) Control

2004 ◽  
Vol 27 (2) ◽  
pp. 11756 ◽  
Author(s):  
L David Suits ◽  
TC Sheahan ◽  
D Mandeville ◽  
D Penumadu
Keyword(s):  
Pid Control ◽  
Triaxial Testing ◽  
Testing System ◽  
True Triaxial ◽  
Proportional Integral
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