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Proceedings Papers

Experimental Study on Fracturing and Proppant Setting in Unconsolidated Sand Formation

R. Zhang, T. Ito, N. Tenma
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0687
DOI: https://doi.org/10.56952/ARMA-2022-0687
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Utilization of Impression Creep Tests as Index Testing Technique in Rock Mechanics and Rock Engineering

Ö. Aydan, T. Ito, N. T. Özcan, F. Rassouli, Í. Özkan
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0217
DOI: https://doi.org/10.56952/ARMA-2022-0217
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Development and Application of High Stiffness Hydraulic Fracturing Systems for Stress Measurements Corresponding to New Standard in Japan

T. Yokoyama, A. Funato, T. Ito, K. Ogawa, T. Nayuki
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1850
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Effect of System Compliance on Pressure-Time Curve at Reopening and New Standard in Japan

T. Ito, T. Yokoyama
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2069
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Experimental Verification of the Dual Bit Coring Method Developed for Stress Measurement Applicable in Deep and High Temperature Environment

T. Ito, A. Kumazawa, K. Tezuka, T. Yokoyama, K. Ogawa, A. Funato
Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-2106
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Experimental Study of Tip Screenout Fracturing by Using CT Scanner

T. Ito, H. Yoshida, K. Yamamoto, Y. Tsuchiya
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1696
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Effect of Capillary Force on Performance of Shale Rock Fracturing

B. L. Liu, A. Suzuki, T. Ito
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0295
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A New Method of Stress Measurement Based on Elastic Deformation of Sidewall-Core With Stress Relief During Coring

T. Ito, S. Fukusawa, A. Funato, T. Tamagawa, K. Tezuka
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-672
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Stress State Analysis of a Fault Plane with Large Induced Seismicity

Y. Mukuhira, T. Ito, H. Asanuma, M. Häring
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-360
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Development of Experimental Apparatus for Real-time Observation of Hydraulic Fracture in Unconsolidated Sands by X-ray CT Method

T. Ito, Y. Nagano
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-612
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Flow-Coupled DEM Simulation for Hydraulic Fracturing in Pre-Fractured Rock

H. Shimizu, M. Hiyama, T. Ito, T. Tamagawa, K. Tezuka
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7365
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Laboratory Study for Pore Water Effect on Hydraulically-induced Fracture Behavior in Unconsolidated Sands

T. Ito, H. Narita
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7561
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Experimental Study of Hydraulic Fracturing in Unconsolidated Sands Using X-ray CT Method

Y. Omori, S. Jin, T. Ito, Y. Nagano, K. Sekine
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-660
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Effect of Anisotropic Confining Stresses On Hydraulically-induced Fracture Propagation From Perforated Cased-hole In Unconsolidated Sands

T. Ito, K. Yamamoto, S. Nagakubo
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-247
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Multi-parameter Responses of Oya Tuff During Experiments On Its Time-dependent Characteristics

O. Aydan, F.S. Rassouli, T. Ito
Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-294
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A new strategy of hydrofracturing for deep stress measurements, BABHY, and its application to a field test

T. Ito, K. Omura, K. Yamamoto, H. Ito, H. Tanaka, K. Harumi, Y. Karino
Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-294
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Development of borehole tangential deformation gage and its application for determining the stress in rock

A. Igarashi, T. Ito, K. Sekine, K. Hayashi
Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-332
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Problem for the maximum stress estimation by hydrofracturing method and its potential solution

T. Ito, A. Igarashi, H. Ito, O. San
Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-862
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Utilization of mud weights in excess of the least principal stress in extreme drilling environments

T. Ito, M.D. Zoback, P. Peska
Paper presented at the Vail Rocks 1999, The 37th U.S. Symposium on Rock Mechanics (USRMS), June 7–9, 1999
Paper Number: ARMA-99-0253
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In Situ Stress Measurement By Hydraulic Fracturing At The Kamaishi Mine

K. Hayashi, T. Ito
Paper presented at the The 34th U.S. Symposium on Rock Mechanics (USRMS), June 28–30, 1993
Paper Number: ARMA-93-0581
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