Annular Safety Valve

Standard: API-14A
Product use: Completion & downhole

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Schlumberger Oilfield Equipments (Shanghai) Co. Ltd./Qingpu Completions Technology Center

Shanghai · Shanghai · People's Republic of China

Subsurface Safety Valves; Annular Safety Valve

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Product use and sources

Packers, perforating and downhole control tools turn the wellbore into a manageable production pathway.

Standard description (API source text):

Subsurface Safety Valve Equipment

Names and standard mappings come from the API Composite List search snapshot. Product-use groups and Chinese reading aids are OFMP editorial additions, not official API classifications or translations; original English names are retained for comparison. Category snapshot: 2026-10-10

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