10.20 Jun 1, 2026
ISO
ISO/TC 263
International Standard
This document specifies requirements for geosteering preparation for coalbed methane horizontal wells, mud logging program for horizontal wells, pre-drilling geological modeling, landing process control, horizontal section steering, post-steering evaluation, and horizontal well mud logging data. This document is applicable to process control of geosteering for coalbed methane horizontal wells.
PROJECT
ISO/NP 26803
10.20
New project ballot initiated
Jun 1, 2026