Preprints
https://doi.org/10.5194/egusphere-2022-1118
https://doi.org/10.5194/egusphere-2022-1118
 
07 Nov 2022
07 Nov 2022
Status: this preprint is open for discussion.

Development of multi field rock resistivity test system for THMC

Jianwei Ren1, Lei Song1,2, Qirui Wang3,4, Haipeng Li1, Junqi Fan3, Jianhua Yue1, and Honglei Shen1 Jianwei Ren et al.
  • 1State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
  • 2YunLong Lake Laboratory of Deep Underground Science and Engineering, Xuzhou 221116, China
  • 3Institute of Defense Engineering, AMS, PLA, Luoyang, 471023, China
  • 4Department of Civil Engineering, Tsinghua University, Beijing, 100084, China

Abstract. In order to study the relationship between rock mechanical properties and resistivity under deep underground environmental conditions, a rock resistivity test system was developed which can realize simultaneous control of high and low temperature, pressure, seepage and chemical environment, and the corresponding specimen sealing method was explored. The system mainly includes triaxial system, chemical permeation system, temperature control system and test control system. The reliability of the system was verified by tests and preliminary experiments. This device provides an important means to study the mechanical properties and resistivity characteristics of rocks in complex environments in deep-underground.

Jianwei Ren et al.

Status: open (until 10 Jan 2023)

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  • RC1: 'Comment on egusphere-2022-1118', Anonymous Referee #1, 28 Nov 2022 reply

Jianwei Ren et al.

Jianwei Ren et al.

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Short summary
A THMC multi field rock resistivity test system is developed, which has the functions of rock triaxial test and resistivity test under the condition of high and low temperature, high pressure and high salinity water seepage. A sealing method to prevent the formation of a water film on the side of the specimen is proposed based on the characteristics of the device. The device is suitable for studying the relationship between rock mechanical properties and resistivity in complex environments.