US ISO 28781:2010, Petroleum and natural gas industries — Drilling and production equipment — Subsurface barrier valves and related equipment

This Uganda Standard provides the requirements for subsurface barrier valves and related equipment as they are defined herein for use in the petroleum and natural gas industries. Included are the requirements for design, design validation, manufacturing, functional evaluation, repair, redress, handling and storage. Subsurface barrier valves provide a means of isolating the formation or creating a barrier in the tubular to facilitate the performance of pre- and/or post-production/injection operational activities in the well. This standard can be used by any public, private or community enterprise, association, group or individual. US ISO/TR 31004 is not specific to any industry or sector, or to any particular type of risk, and can be applied to all activities and to all parts of organizations.

Source of regulation
The Uganda National Bureau of standards 
Publication of regulation
The Uganda Gazette 22 January 2016: General Notice No. 45 of 2016 
Date of implementation
15 December 2015 
Regulation file