On the terms and subject to the conditions set forth in this Agreement, at the Closing (defined below), the Purchaser hereby agrees to purchase, acquire and accept from Seller, and Seller hereby agrees to sell, transfer, assign, convey and deliver to the Purchaser , all of the right, title and interest in and to the SUDS Field Assets, being not less than an undivided fifty percent (50%) leasehold working interest in the SUDS Field Assets.