Chengdu Douson Drilling & Production Equipment Co., Ltd.
Chengdu City · Sichuan Province · People's Republic of China
Adapters; Annular BOP; Drilling Spools and Spacer Spools; Ram Blocks, Packers, and/or Top Seals; Ram BOP; Hub and Clamp Connectors
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Hub and Clamp Connectors
- Standard
- API-16A
- Product use
- Wellhead & pressure control
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Wellheads, blowout preventers and valves create a controlled pressure boundary between the reservoir and surface operations.
Standard description (API source text):
Drill Through 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
View the API category source