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  1. Chembloke99

    Friction coefficient between Polypropylene and Concrete Mattress

    All, I am currently working on the subsea pipeline crossing design. We have 18-inch pipeline crossing over the 6-inch pipeline. Can anyone please provide friction coeffiecient at the interface between polypropylene coated pipeline and concrete mattress used as the support. The pipeline is...
  2. Chembloke99

    Choice Between Higher Steel Grade and Higher Wall Thickness

    Hello, I would like to know from both technical and commercial point of view if I have to make a choice for a subsea pipeline between Higher Steel Grade and Higher Wall Thickness, which one I should go for? For e.g. , for a 6" pipeline should I go for API 5L X- 52 Wall Thickness - 12.7 mm or...
  3. Chembloke99

    Change of Calendar format for different tasks

    Hi, I am new to MSP. I need help in creating Creating Different Calendar format for differnent tasks. For my project, I have many different tasks going on at the same time for which working hours and working days are different. For eg : 1.Engineering work- Days:Monday to Friday- Date: Start...
  4. Chembloke99

    Alternative Arrangement for Choke Valve Failure

    I would like to know that in the event of failure of choke valve which type of valve or equipment is usually provided as an alternative at the wellhead structure so that excess pressure does not develop into the pipeline( the one which connects the Wellhead to the Production Platforms)? This is...
  5. Chembloke99

    Cost Analysis for Shallow Water Jack Up Production Unit

    Can anyone please provide me information about making the cost estimate for shallow water jack up production unit for treatment of sweet wet natural gas? The process package will be modular and it will be set up after the drilling operation is performed by the drilling package. Many Thanks.
  6. Chembloke99

    shallow water jack up process production unit

    In a shallow water jack up, I need to provide an overview of design of process operations. The shallow water jack up will first perform the drilling operations and thereafter remain on location as the production unit. The content is 97% wet methane with no contaminants expected. I referred...
  7. Chembloke99

    Steel Pipe Maximum Bending Moment

    I am sorry for asking such a fundamental question. I have forgotten Strength of Material Basics that I studied in 1st Yr. I just want to know what is the formula for maximum bending moment for a steel pipe? Many Thanks.
  8. Chembloke99

    Wall Thickness Design

    I am doing wall thickness calculation for subsea pipeline based on DNV-F-101 spreadsheet. In the spreadsheet, I am stuck as I don’t know the values that I should fill for the following parameters: M F =Static moment due to curvature in the pipe S F =Static effective axial force M E...
  9. Chembloke99

    Corrosion

    I am a recently graduated chemical engineer, working in an oil and gas firm . I would like to know how I can I annual calculate corrosion rate for oil and gas pipeline? for one case, fluid contains both C02 and H2S. for other case the fluid contains just C02. the overall fluid is mixed phase...

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