SY/T 6543.1-2008
Technology specification for underbalanced drilling.Part 1:Liquid phase (English Version)

Standard No.

SY/T 6543.1-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Petroleum

Status

Be replaced 2020-05

Replace By

SY/T 6543-2019

Latest

SY/T 6543-2019

Replace

SY/T 6543.2-2003 SY/T 6543.3-2005 SY/T 6543.1-2003

Scope

This part specifies the design principles, equipment requirements and process procedures for liquid phase underbalanced drilling. This section applies to liquid phase underbalanced drilling, including aerated drilling fluid drilling.

SY/T 6543.1-2008 Referenced Document

• GB 3836.1 Explosive atmospheres.Part 1:Equipment.General requirements*， 2010-08-09 Update
• SY/T 5035 Lifting rings, elevators, lifting clamps
• SY/T 5127 Specification for wellhead and christmas tree equipment

SY/T 6543.1-2008 history

• 2019 SY/T 6543-2019 Underbalanced drilling technical specifications
• 2008 SY/T 6543.1-2008 Technology specification for underbalanced drilling.Part 1:Liquid phase
• 2003 SY/T 6543.1-2003 Specification for underbalanced drilling technology - Part 1:Methods for design

SY/T 6543.1-2008 Technology specification for underbalanced drilling.Part 1:Liquid phase has been changed from SY/T 6543.2-2003 Specification for underbalanced drilling technology - Part 2:The outfit requirements of the wellhead pressure control and surface equipment.

SY/T 6543.1-2008 Technology specification for underbalanced drilling.Part 1:Liquid phase has been changed from SY/T 6543.3-2005 Specification for underbalanced drilling technology--Part 3: Specification for construction.

SY/T 6543.1-2008 Technology specification for underbalanced drilling.Part 1:Liquid phase was changed to SY/T 6543-2019 Underbalanced drilling technical specifications.