"Why are there Black Chip Poker sit n go Poker Owned tournaments? How do I get in?"
It is an error on BCP's part, no one actually plays in those.
Rely on the schedule on the home page.

This, and other useful information can be found in this thread
http://www.pokerowned.com/forums/f7/...new-20924.html

I also recommend

http://www.pokerowned.com/forums/f7/...ers-20940.html