(a) Upon the application of any operator in a pool productive of oil the commission shall set a hearing and provide notice to all interested parties. Each notice shall describe the area for which an order is to be entered in recognizable, narrative terms; contain such other information as is essential to the giving of proper notice, including the time and date and place of a hearing. After the hearing, the commission may enter an order requiring the unit operation of such pool in connection with a program of secondary recovery of oil, and providing for the unitization of separately owned tracts and interests within such pool, but only after finding that:
(1) The order is reasonably necessary for the prevention of waste and the drilling of unnecessary wells;