Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment Ingestion-build-264231 Mandating the performance of certain

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BS 4674 is a standard that covers breaking load and knot breaking load of netting yarns for fishing nets

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BS EN IEC 61968‑1 on system interfaces for distribution management is useful for:

Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment Ingestion-build-264231 Mandating the performance of certain1 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