Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment Ingestion-build-264231 1 Basic solutions

1 Basic solutions

This specification provides requirements and associated test methods for this thermoplastic when it is intended for use in manufacturing implantable medical devices or components of medical devices

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and waste incineration plants with SCR and non-SCR reactors with ammonia slip

all topics that the Sector Committee for Building and Civil Engineering are responsible for

Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment Ingestion-build-264231 1 Basic solutions1 Scope This International 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