You cannot change location of Resource Fields. You can only Demolish them.

Follow the directions below to Demolish your Resource Fields.

■ How to Demolish Resource Fields

- [Start Game] > [Tap Resource Fields] > [Details] > [Demolish]

※ When you Demolish a Resource Field, you won't get back any of the resources 

you spent on constructing and upgrading the Resource Field. Please be careful.