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Managed Pressure Operations NSD Manifold Flow Paths

Managed Pressure Operations NSD Manifold Flow Paths. NSD Manifold – Normal Drilling Flow Path. NSD Manifold – NSD Hose connected, line opened. NSD Manifold – Ball Valve closed, flowing through NSD Hose. NSD Ball Valve Closed. NSD Manifold – Flow through NSD Hose, Bleed Stand Pipe.

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Managed Pressure Operations NSD Manifold Flow Paths

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  1. Managed Pressure Operations NSD Manifold Flow Paths

  2. NSD Manifold – Normal Drilling Flow Path

  3. NSD Manifold – NSD Hose connected, line opened

  4. NSD Manifold – Ball Valve closed, flowing through NSD Hose NSD Ball Valve Closed

  5. NSD Manifold – Flow through NSD Hose, Bleed Stand Pipe NSD Ball Valve Closed

  6. NSD Manifold – Standpipe bled off, Break TDS, M/U new stand Secondary Bleed line Open NSD Ball Valve & TDS IBOP Closed

  7. NSD Manifold –Stand M/U, re-pressurize SP, equalize Ball Valve NSD Ball Valve Closed

  8. NSD Manifold – Stand M/U, Ball Valve opened

  9. NSD Manifold – Isolate NSD Hose, Bleed NSD Hose

  10. NSD Manifold – NSD Hose bled off, remove NSD Connector Secondary Bleed line Open

  11. NSD Manifold – Resume drilling, Normal Drilling Flow Path

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