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Chinese National Standard Category: Petroleum geology exploration

English Title: Technical specification for surface oil and gas geochemical exploration
Chinese Title: 石油与天然气地表地球化学勘探技术规范
Standard No.: GB/T 31456-2015
Category No.: E11
Issued by: AQSIQ, SAC
Issued on: 2015-05-15
Implemented on: 2015-8-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:12500 words
Similar Standards: SY/T 6627-2005   SY/T 6246-2014   NB/T 11279-2023   NB/T 11290-2023   NB/T 11276-2023   NB/T 11288-2023   NB/T 11286-2023   NB/T 11275-2023   NB/T 11287-2023   NB/T 11283-2023   NB/T 11284-2023   NB/T 11277-2023   GB/T 35210.1-2023   GB/T 33685-2023   GB/T 30501-2022   GB/T 19145-2022   GB/T 35210.2-2020   GB/T 38718-2020   GB/T 35210.1-2017   GB/T 35110-2017  
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