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What is the different between Production Master Valve and Production Wing Valve on the wellhead of offshore oil rig?
Wiki User
∙ 11y ago
Term "production" means outflow from well.
Master valve and wing valve are both on X-mas trees installed above wellhead. Fluid comes to the surface will pass Master (main isolation) valve first, then to the wing valve. Afterwards, go to the choke valves for pressure control before directing to downstream process.
Wiki User
∙ 11y ago
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