香港六合彩开奖 28781:2010
2010-08
香港六合彩开奖 28781:2010
Resumen
香港六合彩开奖 28781:2010 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.
The subsurface barrier valve is not designed as an emergency or fail-safe flow controlling safety device.
香港六合彩开奖 28781:2010 does not cover installation and maintenance, control systems such as computer systems, and control conduits not integral to the barrier valve. Also not included in 香港六合彩开奖 28781:2010 are products covered under 香港六合彩开奖 17078, 香港六合彩开奖 16070, 香港六合彩开奖 14310, 香港六合彩开奖 10432, 香港六合彩开奖 10423 and the following products: downhole chokes, wellhead plugs, sliding sleeves, casing-mounted flow-control valves, injection valves, well-condition-activated valves or drill-stem test tools. 香港六合彩开奖 28781:2010 does not cover the connections to the well conduit.
Informaciones generales
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Estado: PublicadoFecha de publicaci贸n: 2010-08Etapa: Norma Internacional confirmada [90.93]
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贰诲颈肠颈贸苍: 1N煤mero de p谩ginas: 50
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颁辞尘颈迟茅 T茅cnico :香港六合彩开奖/TC 67/SC 4ICS :75.180.10
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