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  • Users: Alph
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  1. Alph

    Pipeline De-Isolation & Gas Expansion

    I have been asked the following question : Two subsea gas pipelines, both shut-in, connected via a manifold with 6” gate valve as the barrier between the two pipelines. Pipeline 1 : Volume =500m³, Pressure = 50 Bara, Temperature = 8°C Pipeline 2 : Volume = 60m³, Pressure = 200 Bara...
  2. Alph

    Air Discharge

    I have been asked a question by a colleague, it has left me unsure how to answer it. A vertical cylinder type suction pile(ID=5m, L=6m), enclosed at the top, bottom is open ended (like a upside down bucket. It is lowered onto the seabed (water depth of 450m)at 2 m/s. The top of the the cylinder...
  3. Alph

    HSP - Hydraulic Submersible Pumps

    Anyone with Experience of HSP - Hydraulic Submersible Pumps in preference to gas lift in subsea O&G wells ? Key Issues or concerns with this application ? Al

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