gas as it emerges at the wellhead”); Piney Woods Country Life Sch. v. Shell Oil Co., 726 F.2d 225, 230-31 (5th Cir.1984) (interpreting Mississippi law and stating that “[t]he royalty compensates the lessor for the value of the gas at the well: that is, the value of the gas after the lessee fulfills its obligation under the lease to produce the gas at the surface, but before the lessee adds to the value of the gas by processing or transporting it”); Atlantic Richfield Co. v. State, 214 Cal.App.3d 533, 262 Cal.Rptr. 683, 688 (1989) (“When the term ‘at the well’ is used in connection with ‘market price’ ... the lessor, such as [the] State, bears its proportionate share of processing costs incurred downstream of the well.”); Babin v. First Energy Corp., 693 So.2d 813, 815 (La.Ct.App.1997) (<HOLDING>); Schroeder v. Terra Energy, Ltd., 223
holding that investigatory costs are considered costs of response under cercla holding that costs are not fixed until judgment is entered and interest can only run on costs when due holding that the pricereceived basis for payment in the lease is sufficient in itself to excuse the hyders from bearing postproduction costs holding that the costs of severance taxes transportation processing and treatment are considered to be postproduction costs and are therefore borne proportionately by the lessee and the royalty owner holding that courier and messenger costs are not taxable costs