Neither this chapter, nor any permit issued hereunder shall be interpreted to grant any right or license to the permittee to enter upon or occupy in any respect, in drilling or production operations, any land, except upon the written consent of the owners; nor shall it limit or prevent the free right of any property owner to contract for the amount of royalties to be paid with respect to his own land or for damages, rights or privileges with respect thereto. (Prior code § 28-1-10)