Okfuskee lease offers in Sec 8,11, 24 &25

I am trying to get an idea of what a reasonable offer is for some mineral rights my 95-year-old mother has in Okfuskee. I have received offers for:

a) Township 11 North, Range 11 East, Section 31 SW/SE/4; 15 NMA Cochran Land Service offered $200/acre with 1/8 royalty and 3-year term with 2-year option to extend or $150/acre with 3/16 royalty and 3-year term with 2-year option to extend

b) 25-10N-10E: E/2 NE/4, W/2 NE/4, S/2 NW/4 NW/4, S/2 NW/4 SW/4; 24 NMA: Paladin Land Group offered $75/acre 3-year term & 3/16 royalty or $125/acre 3-year term 1/8 royalty with option to extend for 3 years

c) 24-10N-10E: NW/4 NW/4; SE/4 NW/4; N2 SW/4; S2 SW/4; 6.6 NMA same as (b)

d) 8-10N-11E: NE/4 NE/4; 20 NMA same as (b)

I would appreciate any advice on what to do with these offers.

Whatever you do, don’t sign a 1/8th lease. Unless you are hard up for cash I’d negotiate for 1/4th. They may or may not pay a bonus, but come time to drill or if you decide to sell the rights down the road, having them on 1/4th RI makes them far more valuable. Also make them throw in a free of cost provision as well as a depth clause.