Any proposed agreement for unit operation of tracts of land which has been consented to by persons who own title to working interests which aggregate at least an undivided three-fourths of the total working interests in the area proposed to be unitized, and by persons who own title to the royalty interest which aggregates at least an undivided three-fourths of the total royalty interest in the area proposed to be unitized, may be filed with the supervisor by the owner of any such working interest in conjunction with a petition requesting approval thereof.