First you have to know the banks website:
https://www.wellsfargo.com
How to open the account:
They use to have an International Personal Banking sevice, however they now offer investen management services.
You have to contact the bank via this form:
https://www.wellsfargo.com/the-private-bank/connect/
You just have to tell them that you wish to open an account and that you're a non resident.
Important notes:
If the account opening documents provided are incomplete, unverified or are not clear they may have to request further information, documents or clarification from you before they can open your account.
As part of the process you will need to send personal information. It’s very important that you use real information. Don’t try to use questionable data. If you have some problem or a specific question the best is to contact them directly and let them know so they can help you.
For further questions regarding your account opening we ask you to contact the customer care center directly of the bank via:
https://www.wellsfargo.com/theprivatebank/contact