Setting up new EA account

Try this it worked for mein creating new account or changing existing origin user and password.

You can change battlelog to link with BF3 soldier by changing origin email password to match your BF3 soldier that way they can be associated. See link below.
http://www.origin.com/ie/change-id [origin.com]

Please click on XP for the help

You cannot delete and Origin account, however you can have a game advsior merge your two Origin accounts into a single origin account.  You can contact a Game Advisor at EA Customer support:  https://help.ea.com/contact-us

I recommend that you use the telephone option and the “call me” option so you don't have to stay on hold for a long time.

1 Click on the following link: https://help.ea.com/contact-us
2 Make sure you are logged in (top right corner)
3 Click on the blue button "Contact a Game Advisor"
4 Enter the name of your game or product (or "Origin" for account-related issues) and click "Find Solutions"
5 Select the type of issue and the platform you play on, and click on "Find Solutions".
6 Click on the blue button "I still need help" if the FAQ articles do not apply to your situation.
7 Select a contact option. Note that you may get different contact options depending on your country.

Correct you can't delete but Ben could go to this site and make a new origin account to match soldier on BF3. I would try this first to avoid delays. From there you can

https://www.origin.com/create

http://www.origin.com/ie/change-id [origin.com]

Hope it helps,

Thotr