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  1. compo

    ISO 15156 (NACE MR017): SULPHUR CONTENT ---CS BALL VALVES

    I was reviewing a few really top questions related to NACE and valves and well composed/experienced loaded responses by rneill, SJones and Thomas. Would especially appreciate feedback and guidance on this argument over interpretation inside NACE - trying to bottom out. Reference to ISO 15156...
  2. compo

    Dry Screw Compressors - how sensitive to lube oil in casing

    I appreciate by design dry screw machines in theory should avoid lube oil contamination into the process gas side/casing or importantly contamination of the lube oil from the process gas. However this depends on the seal system and barriers in place, barriers can be breached and propensity for...
  3. compo

    Check valve leakage rate basis/philosophy for PSV sizng

    I am trying to get feedback from the wider industry on the basis/philosophy considered/used for establishing the leakage rate back through check valves in view of calcualting required relief valve size to protect the upstream section the check valve is leaking into, this is specifically the case...
  4. compo

    RTFE coating for valve seats --where particulates in fluid exist

    For ball valve seat material selection can someone advise if there is a selection criteria to allow one to assess the acceptability of coatings for erosion resistance such as RTFE for given concentration of particulates in a fluid that the valve or material may be exposed to. Specifically to...
  5. compo

    What is the API definition of sandy service -- re ball valve

    For ball valve seat material selection can someone advise where one would be able to verify the definition of "sandy service" in terms of what constitutes sandy service. Is this . Quantified sand concentration with particle sizes greater than a certain diameter . Percentage volume sand with...
  6. compo

    ASME VIII _ HYDROTEST PRESSUREthread794-135893

    Just to clarify my understanding, when ASME updated the code on hydrotest pressure ratio to specify the minimum requirement of 1.3 what was the logic behind selecting 1.3 as the ratio, i recognise this is the minimum requirement and also that no upper limit for hydro is advised but what...
  7. compo

    unstabilized crude flow measurement

    ultrasonic have no chance with boiling fluids like unstabilized crude, or crudes with small gas bubbles mechanically entrained exiting the primary separators--- as most oil facilities operate with at 2 to 3 stages of separation I am curious why more often of not US have been applied and get bad...
  8. compo

    COLD SERVICE FLOWMETER TECHNOLOGY

    Appreciate any feedback on flow meter selection types, configuration and suppliers who have the capabilty to accurately measure hydrocarbon gas predomin. methane MW (18-20) over a wide temperature range and specifically at the cold end- gas temperatures range from -80 to upper end 100degC. The...
  9. compo

    FLOWMETER TECHNOLOGY

    Appreciate any feedback on flow meter selection types and suppliers who have the capabilty to accurately measure hydrocarbon gas predomin. methane over a wide temperature range and specifically at the cold end- gas temperatures range from -80 to -100degC, upper end 100degC. The application is...
  10. compo

    Proven level Instruments for emulsified crudes-

    We are seeking operational feedback on level instrument and water cut meter manufacturers and specific technology that has been applied successfully in the field for crude oil water emulsion interface detection and outlet oil water cut metering for 3 phase production and test separators. The...
  11. compo

    Field Experience Level Instruments and Water Cut Meters for Crude Oil

    We are seeking operational feedback on level instrument and water cut meter manufacturers and specific technology that has been applied successfully in the field for crude oil water emulsion interface detection and outlet oil water cut metering for 3 phase production and test separators. The...
  12. compo

    Heavy crude oil processing offshore FPSO

    Offshore crude oil processing. Does anyone have any actual operating experience good or bad of installing a heat exchanger at the front end of the crude stabilisation process, basically heating oil/produced water and associated gas (upstream of the primary separator/slug catcher).
  13. compo

    Heavy Crude Oil Processing offshore FPSO

    Offshore crude oil processing. Does anyone have ay actual operating experience good or bad of installing a heat exchanger at the front end of the crude stabilisation process, basically heating oil/produced water and associated gas (upstream of the primary separator/slug catcher).
  14. compo

    CONTRACT OR STAFF?

    That is the question? …..these days if you are staff it appears you may be stitched up the back and if offered you may be better of being a direct contractor. Obviously this depends a lot on the commitment of your employer in promoting personal development, promotion and appropriate...
  15. compo

    Crude Oil Foam Testing Procedures

    Can someone let me know if the ASTM D892 (Standard Test Method for Foaming Characteristics of Lubricating Oils), is the only standard test method available for testing the foaming tendency of crudes, if not point me in the direction of other methods thanks
  16. compo

    Crude Oil Foam Testing Procedures

    Can someone let me know if the ASTM D892 (Standard Test Method for Foaming Characteristics of Lubricating Oils), is the only standard test method available for testing the foaming tendency of crudes, if not point me in the direction of other methods and if relevant the most appropriate for API...
  17. compo

    Crude Oil Foam Testing Procedures

    Can someone let me know if the ASTM D892 (Standard Test Method for Foaming Characteristics of Lubricating Oils), is the only standard test method available for testing the foaming tendency of crudes, if not point me in the direction of other methods and if relevant the most appropriate for API...
  18. compo

    Crude Oil foam testing

    Can someone let me know if the ASTM D892 (Standard Test Method for Foaming Characteristics of Lubricating Oils), is the only standard test method available for testing the foaming tendency of crudes, if not point me in the direction of other methods thanks
  19. compo

    CRUDE OIL STABILISATION AND ACCOUNTING FOR "MOUSSE" EFFECT

    I am trying to get more information and references from separation gurus out there regarding the mousse effect that can be apparent with certain crudes. The "mousse" effect wherein excess gas is trapped within the oil phase exiting say a production separator. The mousse is oil entrapped with...
  20. compo

    CRUDE OIL STABILISATION AND ACCOUNTING FOR "MOUSSE" EFFECT

    I am trying to get more information and references from separation gurus out there regarding the mousse effect that can be apparent with certain crudes. The "mousse" effect wherein excess gas is trapped within the oil phase exiting say a production separator. The mousse is oil entrapped with...

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