ISO 24835-1:2025 PDF
Natural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction method
Open preview (PDF)Natural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction methodNatural gas upstream area — Determination and calculation of shale brittleness index — Part 1: Determination of shale mineral characteristics based on X-ray diffraction method
- Document status:
- Active
- Format:
- Electronic (PDF)
- Number of pages:
- 23
- Publication date:
- November 19, 2025
- Edition:
- ISO IS 24835 edition 1 version 1
- ICS:
- 75.060
This document specifies the principles, instruments, materials, experimental conditions and the sampling and composition analysis steps required for testing mineral composition using the X-ray diffraction method, as well as the method and precision requirements for calculating shale brittleness index based on mineral composition. This document is applicable to reservoir quality evaluation and sweet spot identification in shale gas production.
Technical details
- Technical committee
- ISO/TC 193/SC 3 - Upstream area
- SKU
- ISO 24835-1:2025
