See pig trap safe orientation in another post.
Confirm to permanently remove your answer!
When designing the pigging requirements, the design should be based on type and size of pigs, as well as space restraints. Consideration should be given to the following points:
Pig traps should be designed to be horizontal and for bi-directional flow. Vertical receiving traps have proven to be of limited success and should not be considered except in smaller sizes.
The followings should be considered when developing the pigging system design:
The FPSO should provide pig launcher/receiver facilities for the gas export pipeline and all production/test fluid transfer lines (FTLs) connected …