Oregon Revised Statutes Mineral Resources § 520.320

(1) No division order or other contract relating to the sale or purchase of production from a separately owned tract may be terminated by the order providing for unit operations, but remains in force and applies to oil and gas allocated to that tract until terminated in accordance with the provisions thereof.

(2) Except to the extent that the parties affected so agree, no order providing for unit operations results in a transfer of all or any part of the title of any person to the oil and gas rights in any tract in the unit area.

(3) All property, whether real or personal, that may be acquired in the conduct of unit operations under ORS 520.260 to 520.330 and 520.230 (2) shall be acquired for the account of the owners within the unit area, and is the property of such owners in the proportion that the expenses of unit operations are charged.