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ISO/DIS 25426

Natural gas — Upstream area — Determination of porosity of shale by helium pycnometry ISO/DIS 25426

General information

40.60   Close of voting   Sep 4, 2026

ISO

ISO/TC 193/SC 3 Upstream area

International Standard

75.060   Natural gas

Scope

Standardization of the principle, equipment and material requirements, sampling, experimental steps, data calculation and report of determination of porosity of shale by helium pycnometry.
This document can be used for resource evaluation, fine characterization of reservoirs, reserve calculation, target selection, etc. in shale gas exploration and development.

Life cycle

NOW

IN_DEVELOPMENT
ISO/DIS 25426
40.60 Close of voting
Sep 4, 2026




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