Get yourself SH3 Cmdr
http://www.subsim.com/radioroom/showthread.php?t=101815
That gives you the possibility to change compression time limitations. You can also give yourself a mission target PQ which fits better with your base/fuel....
For the refueling, i think it only works in blue harbours (I use GWX supermod, don't know if that changes something).
Have Fun!