Mineral owners in Texas have learned that their leases should provide for a “cost-free” royalty. By this, they generally understand that the lease should prohibit the lessee from deducting any costs from their royalty. Herein, then, are some ruminations about what lawyers and oil companies refer to as “post-production costs.”
The problem of post-production costs generally arises only in relation to gas production. The typical oil and gas lease provides that the royalty on gas shall be a specified fraction of “the market value at the well”, or of the “amount realized at the well,” or the “net proceeds at the mouth of the well.” The phrase “at the well,” as interpreted by Texas courts, has a highly specialized meaning. It means that the lessee, in calculating the royalty, can deduct any costs incurred to make the gas marketable and to get the gas to the point of sale. (I’ll bet most mineral owners don’t realize that when they sign a lease.) Such costs are referred to as “post-production costs” because they are incurred after the gas is produced but before it is sold, and they can be quite significant.
Suppose the following facts: ABC Oil Company drills the Jones #1 gas well on the Jones farm. ABC has a lease from Jones that provides for payment of a 1/4th royalty on the “amount realized at the mouth of the well.” The Jones #1 gas as it comes from the ground contains quantities of water, hydrogen sulfide and other impurities that have to be removed before the gas can be sold to a pipeline. Also, the gas itself is actually a mixture of several different hydrocarbon gases – methane, ethane, butane and propane. Although most natural gas is methane — the same gas you burn in your stove — some natural gas contains significant quantities of “heavier” gases such as ethane, butane and propane. If there are enough of those other gases, they must be separated from the methane before the methane can be sold to a pipeline, because the heavier gases tend to condense into a liquid in the pipeline and cause problems with the pipeline’s transmission system. The heavier gases can be sold as separate products. They generally have a higher value per unit volume than methane because they have a higher heating value. That is, they produce more heat per unit volume when they are burned as fuel.
So ABC Oil Company installs separators and treaters on the Jones lease to remove the water and hydrogen sulfide from the gas. The cost of such treatment is $.10 per mcf. ABC also contracts with XYZ Processing Company to “process” the gas to remove the heavier hydrocarbons. Its agreement with XYZ Processing Company provides that XYZ gets to keep 25% of the heavier gases as its fee for processing the gas from the Jones #1 well. ABC also enters into a contract with Big Inch Pipeline Company to transport the methane to Commercial Plastics Company for $.05 per mcf, and ABC enters into a contract to sell the gas to Commercial Plastics Company for $5.00 per mcf. Finally, ABC agrees to sell its 75% of the heavier gases to NGL Purchasing Company for $7.00 per mcf.
In its first month of production, the Jones #1 produces 100,000 mcf of gas. 1,000 mcf of that gas is used as fuel to run the treaters to remove the water and hydrogen sulfide. After the remaining gas is treated and processed, it becomes 90,000 mcf of methane and 9,000 mcf of heavier gases. ABC gets back the 90,000 mcf of methane, which it sells to Commercial Plastics for $450,000, and it gets back 75% of the 9,000 mcf of heavier gases, which it sells to NGL Purchasing Company for $47,250. ABC Oil Company thus receives $450,000 for the methane and $47,250 for the heavier gases, for a total of $497,250.
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