Four Brotherhood Oil Co. v. Kelley

The question in this case is whether appellants have lost the rights secured by a certain oil lease upon lands described in appellees’ petition. The least under which appellants claim is, for the most part, in a familiar form, but contains, among other obligations on the part of the lessees, the following:

“Lessees, in consideration of this grant, agree to begin the actual drilling of a well for oil and gas upon the above-described premises within six months from the date hereof, and from that date to prosecute the drilling of said well with ■due diligence until a depth of 850 feet is reached,…