GB/T 40548-2021

Active

Technical specification of separate layers pressure control and combined layers drainage for coalbed methane wells

煤层气井分层控压合层排采技术规范

Standard Type
GBT
ICS
75.020
CCS
D15
Status
Active
Issue Date
2021-08-20
Implementation
2022-03-01
Centralized Committee
中国煤炭工业协会
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the technical requirements for separate layer pressure control and combined layer drainage in coalbed methane wells. It is applied in the coalbed methane extraction industry to optimize production by managing pressure differences between multiple coal seams, preventing crossflow and formation damage. The standard guides well completion, downhole tools, and operational procedures for efficient gas recovery from layered reservoirs.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.