Tianjin Provincial Standard of the People's Republic of China
Latest
DB12/T 541-2014
Scope
This procedure is applicable to medium and low temperature geothermal well drilling projects and can be used as the basis for geothermal drilling design, construction, management and other work.
DB12/T 541-2014 history
2014DB12/T 541-2014 Medium and low temperature geothermal drilling technical regulations