SH/T 0683-1999
Active
GB 51227-2017
Active
National standards
force_standard
GB 51227-2017 Code for construction and acceptance of vertical shaft drilling
GB 51227-2017 Code for construction and acceptance of vertical shaft drilling
Price:
$ 30
Basic Information
Standard Code:
GB 51227-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
yes
CCS Name:
Petroleum engineering
ICS Name:
Integrated oil and related technologies
Publish Date:
2017-03-03
Implement Date:
2017-11-01
Pages:
42 pages
Scope
This specification is applicable to the construction and quality acceptance of vertical shaft drilling methods that adopt the processes of drilling and cutting with shaft drilling rigs, washing and protecting the wellbore with mud, prefabricating the wellbore on the ground, and sinking the wellbore with floating or suspended walls and filling and cementing the wellbore behind the walls
Development Information
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