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Thanks Mogens for that. Yes I have considered the settlement in the analysis and the length of the flowline was determined with appropriate criteria...I appreciate your comments of the conductor movements. The design was completed a year and a half ago and the platform was completed and the...

Hi all Has anyone of you come across a situation where two flowlines(NB 6")are connected to another larger line (NB 8")? The wellheads are high pressure(340 barg) and high velocity. I am keen to know your experiences in the selection of a suitable tee for connecting the two branches...

Imbor & others Where did you find the equation???I am keen to know as I might be starting on an FPSO pipe stress analysis job soon.

Please see page 249 (of MWKellogg) top left para which says "local stresses for trunnion type attachments can be approximated by the approach outlined in chapter 3 Section 3.14" I have also referred to a paper published by MWK later on the subject...I'll see whether I can dig it out...

Hi Porter I am not in favour of oversized trunnions. Acceptance criterion for trunnion is based on local stresses and Caesar II cannot handle that. MWKellogg's Design of Piping Systems Chaper 3 gives a methodology to calculate local stresses..it is quite straight forward and you can put it...

See ASME B31.3, Clause 332, you will find some guidelines. The essence is the limitation of residual strain in the material. Acceptable residual strain is dependant on the service of the pipe. As you are using B31.1, I believe your service may be water or steam and these services do not have an...

Maxh Today I got into the site for the first time and saw your interesting problem. Have you considered any acoustic insulation to arrest the noise??? A lot of information on accoustic insulation is available in Oil&Gas industry. Check with a O&G piping engineer in your area. I believe your...