SY/T 6543-2019
Underbalanced drilling technical specifications (English Version)

Standard No.

SY/T 6543-2019

Language

Chinese, Available in English version

Release Date

2019

Published By

国家能源局

Latest

SY/T 6543-2019

Replace

SY/T 6543.1-2008 SY/T 6543.2-2009

SY/T 6543-2019 history

• 2019 SY/T 6543-2019 Underbalanced drilling technical specifications
• 2009 SY/T 6543.2-2009 Technology specification for underbalanced drilling.Part 2:Gas phase
• 2008 SY/T 6543.1-2008 Technology specification for underbalanced drilling.Part 1:Liquid phase
• 0000 SY/T 6543.5-2005
• 2003 SY/T 6543.2-2003 Specification for underbalanced drilling technology - Part 2:The outfit requirements of the wellhead pressure control and surface equipment