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Recent content by ladracu

  1. ladracu

    collapse pressure of casing/tubing

    Salmon, don't mention it. I hope the paper helped. I am just curious what do you try to do? I mean either you have a critical application to go in such details or you simply have nothing better to do. I beg your pardon if I seem to be impolite, it's not my intention, but I think as long as that...
  2. ladracu

    collapse pressure of casing/tubing

    an spe paperhttp://files.engineering.com/getfile.aspx?folder=7f83aa6b-ee1e-4123-bfed-c422533445a6&file=90904_New_Strength_Equation_for_Collapse.pdf
  3. ladracu

    collapse pressure of casing/tubing

    The effect of eccentricity seems independent from D/t ratio and symmetric in ec. This can be established in the model by taking Hy ec = He ec proportional to ec2 and Ht ec = 0. The effect of residual stress may be considered symmetric in rs and is more pronounced in the transition region than in...

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