here are some links..apparently,shell has always been there but pulled out in the 90's due to instability but is trying to get back in....but it may be years:

http://wardheernews.com/News_2012/May/16_Shell_tackles_pirates_for_for_offshore_treasure.html

 

http://dissidentnation.com/uncovering-shell-oils-new-interest-in-exploring-puntland/