Strain and acoustic wave testing device and method for high-temperature rock sample

US11054351B2 · kind B2 · utility

Assignee

• Southwest Petroleum University · CN

Inventors

• Gao Li · Chengdu, CN
• Ze Chen · Shanghai, CN
• Yijian Chen · Nanhu, CN
• Xin Yu · Zhangjiafang, CN
• Dong Liu · Nanjing, CN
• Yi Zhang · Dalian, CN

Key dates

• Filing date: Sep 27, 2017
• Grant date: Jul 6, 2021
• Expiry date: Oct 23, 2038

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N2203/0658
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A strain and acoustic wave testing device includes an acoustic wave transmitting terminal, an upper pressure-bearing shaft, corundum ejector pins, an upper displacement slide, a lower displacement slide, a heat insulation shell, a carbon fiber sleeve, a rock sample, a lower pressure-bearing shaft, an acoustic wave receiving terminal, a lower copper electrode, pearl powder, a temperature sensor, a transformer, a temperature-acoustic wave control box, an oscilloscope, an upper copper electrode, and a data collection and processing system.