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MPO NSD NSD Connection Procedures

MPO NSD NSD Connection Procedures. MPD with NSD Connection Procedure. Normal Drilling circulation path through NSD Manifold. NSD Connection Flow Path, lining up to put SPP onto NSD Connection Valve. NSD Ball Valve closed, flowing through NSD Hose and Connector.

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MPO NSD NSD Connection Procedures

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  1. MPO NSD NSD Connection Procedures

  2. MPD with NSD Connection Procedure

  3. Normal Drilling circulation path through NSD Manifold

  4. NSD Connection Flow Path, lining up to put SPP onto NSD Connection Valve

  5. NSD Ball Valve closed, flowing through NSD Hose and Connector

  6. Bleed off TDS prior to breaking connection, whilst circulating via NSD Sub

  7. TDS bled off, Break connection, M/U new stand, circulating at full rate through NSD sub

  8. New stand made up, Re-pressurize TDS, Equalize SPP onto NSD Ball Valve

  9. NSD Ball Valve Opened, flow down TDS and NSD Sub

  10. Isolate NSD Hose and Connector, and Bleed off NSD Hose

  11. NSD Hose and connector bled off, remove NSD connector from Connection Valve. Flow normal flow path to TDS.

  12. Resume drilling, Normal Drilling Flow Path

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