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ISO 10993-7:2026 Biological evaluation of medical devices — Part 7: Ethylene oxide sterilization residuals

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ISO 24835-2:2025

ISO 24835-2:2025 Natural gas upstream area — Determination and calculation of shale brittleness index — Part 2: Determination of shale mechanical characteristics based on triaxial testing method

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This publication was last reviewed and confirmed in 2025.

Natural gas upstream area — Determination and calculation of shale brittleness index — Part 2: Determination of shale mechanical characteristics based on triaxial testing method

Description

This document specifies the principles, instruments, materials and experimental conditions for testing Young’s modulus and Poisson’s ratio using triaxial testing method. It also specifies the sampling and mechanical testing procedures, as well as the method and precision requirements for calculating shale mechanical brittleness index based on Young’s modulus and Poisson’s ratio.

This document is applicable to reservoir quality evaluation and sweet spot identification in shale gas production.

Edition

1

Published Date

2026-06-19

Status

PUBLISHED

Pages

11

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the principles, instruments, materials and experimental conditions for testing Young’s modulus and Poisson’s ratio using triaxial testing method. It also specifies the sampling and mechanical testing procedures, as well as the method and precision requirements for calculating shale mechanical brittleness index based on Young’s modulus and Poisson’s ratio.

This document is applicable to reservoir quality evaluation and sweet spot identification in shale gas production.

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