Both of your designs are interesting graphics, however they are far too complicated to pass as brand logos. Photographic images, and complex artwork with many lines may look attractive on a webpage, but will not have the impact and memorability of a simple, striking, unique logo meant to provide a face for an organization.
Have a quick look at this site to see examples of some of the world's top logos:
http://www.goodlogo.com/
Take a reductionist approach - less is more.
Grease