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I know there is the Panhandle A and B And Weymouth calculations but need a copy or explanation of formula. J. D. Jackson B.S. M.E. & B.S. E.E. TransContinental Engineering

You can eliminate your concerns about entrapped air in your pipeline by opening high-point vents on the line until you see the water coming out. If you do not have any high-point vents it is advisable to install them. J. D. Jackson B.S. M.E. & B.S. E.E. TransContinental Engineering

Thanks Art, As you can see I am an M.E. and E.E. and got stuck with a problem while I am out of town rebuilding a gas processing liquid separation terminal in Louisiana. I guess I am going to have to go back to school when I get back to Deer Park, Texas and take some ChemE courses. I...

Latexman, thanks for your help. Isn't there 379 lb/moles per standard cubic foot? I am trying to convert 19,640 lbs/hr of 20.07 mole weight gas at a temperature of 43 degrees F to SCFM. Do I need to incorporate the temperature into the equation for a more accurate SCFM equation? Somehow...

I need the formula to convert lb/hr of 20.07 mole weight gas to scfm. J. D. Jackson B.S. M.E. & B.S. E.E. TransContinental Engineering

spipe, Are you trying to pump CO2 in a supercritical state for injection to enhance oil production? If you are then you need to be very cautious when dealing with CO2 in the supercritical state. If this is what you are trying to do contact me for help as I designed the first major CO2...

Patrick, I sent you the complete file so you can see what I am trying to accomplish. J. D. Jackson B.S. M.E. & B.S. E.E. TransContinental Engineering

Thanks Patrick, I will take another look at the ComboBox and list box. The reason for using a TextBox is the actual numbers I enter for the calculation will change from case to case. What I am doing is calculating the filled weight of segments of pipe with water for a hydrotest. The segment...

I created TextBox1 using the Excel Forms menu. I need to place the numeric data values I enter in cell $A$77. My Questions are as follows: 1. How do I restrict the TextBox input data to 6 numeric values? 2. How do I release the control of the TextBox by using the enter key after typing data...

Thanks Richard, jjackson@wt.net J. D. Jackson B.S. M.E. & B.S. E.E. TransContinental Engineering

Thanks for your input Brian. Yes, what I am doing is using another combo box to select a pipe size in a drop down list that returns a value from 1 to 19 depending on the pipe size. I then take this returned index number from the combo box linked cell and use a lookup function to get the actual...

I need to know if there is a way to connect multiple drop down list containing different data to a single combo box based on a calculated numeric value of a cell. EXAMPLE: If cell K6 contains the calculated numeric value of 19, I want the combo box drop down list to contain data values of the...