Royalty of at least 1/8 of gross production of oil from land owned or held in trust by the Parks and Wildlife Department. Shut-in oil royalty charged on wells capable of production, where oil is not being produced for lack of suitable production facilities or market, in an amount equal to twice the annual rental provided on the lease, no lease than $1,200 a year for each well capable of producing in paying quantities. 

On or before the 5th day of the second month succeeding the month of production.

Amended by H.B. 1691, 67th Leg., R.S.