Okla. Stat. tit. 52, § 52-287.10: Enlargement of area - Creation of new units - Amendment

of plan.

The unit area of a unit may be enlarged to include adjoining

portions of the same common source of supply, including the unit

area of another unit, and a new unit created for the unitized

management, operation and further development of such enlarged unit

area, or the plan of unitization may be otherwise amended, all in

the same manner, upon the same conditions and subject to the same

limitations as herein provided with respect to the creation of a

unit in the first instance, except, that where an amendment to plan

of unitization relates only to the rights and obligations as between

lessees the requirement that the same be signed, ratified or

approved by royalty owners of record of not less than sixty-three

percent (63%) of the unit area shall have no application.