Background

Coterra Energy Inc. and XTO Energy Inc. litigated the deductibility of post-production costs under oil and gas leases covering Barnett Shale properties. The dispute centered on approximately $340 million in royalty payments where XTO, as operator, deducted gathering and compression costs incurred between the wellhead and downstream points of sale. The leases at issue specified royalties based on "market value at the well" rather than "amount realized" or similar gross proceeds language.

The Legal Issue

The central question presented was whether "market value at the well" lease language permits operators to deduct reasonable post-production costs for gathering and compression when calculating royalty payments, particularly in circumstances where the operator sells gas at a downstream location rather than at the wellhead. The Fifth Court of Appeals had ruled against XTO, finding that post-production cost deductions were impermissible under the lease terms. XTO argued that operators must calculate market value by working backward from the downstream sales price using a netback method that accounts for services performed between the wellhead and point of sale.

The Supreme Court's Analysis

The Texas Supreme Court reversed, holding that "market value at the well" language permits deduction of reasonable post-production costs incurred for gathering and compression. The Court distinguished its 2017 decision in Heritage Resources, which involved different lease language. The Court found that "market value at the well" clauses, by their express terms, require valuation at the wellhead rather than at a downstream point of sale. When operators sell gas downstream after incurring gathering and compression costs, those costs must be deducted to arrive at the market value at the well. The Court rejected the argument that operators must pay royalties on the full downstream sales price, reasoning that such an interpretation would effectively rewrite "market value at the well" to mean "market value at the point of sale" and provide royalty owners with value attributable to post-production services.

Implications for Operators and Royalty Owners

The decision provides clarity for operators holding leases with "market value at the well" royalty language across Texas shale plays. The $340 million at stake in this Barnett Shale dispute reflects the magnitude of exposure operators face in post-production cost disputes. The Court's distinction of Heritage Resources demonstrates that royalty valuation outcomes depend on the specific lease language used in each case.