MCSWANE
MCSWANE is a Texas gas lease in Freestone County, Railroad Commission district 05, operated by Marathon Oil Company. It has 1 wellbore on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 8,607,472 thousand cubic feet. The lease is currently producing. Fitting a decline curve to that history and pricing the remaining production at today's forward curve values the whole lease — a 100% undivided interest — at about $1.7M, with roughly $251K expected over the next twelve months. An individual royalty owner receives their own decimal interest times that figure. Over the last twelve months on file it averaged 11,569 thousand cubic feet a month. Its strongest month on the record we hold was March 2021, at 16,834 thousand cubic feet. In our own backtest, leases producing at this rate are forecast to within about 18% of what they went on to produce, and that measured error is the range shown on the page rather than a confidence of our own devising.
Key facts about MCSWANE
- Who operates MCSWANE?
- MCSWANE is operated by Marathon Oil Company, Railroad Commission of Texas operator number 525380.
- Where is MCSWANE?
- MCSWANE is a Texas gas lease in Freestone County, Texas, in Railroad Commission district 05. Its Railroad Commission lease number is 087570.
- Is MCSWANE still producing?
- MCSWANE is currently producing. The most recent month of production reported to the Railroad Commission of Texas for MCSWANE is August 2026.
- How much has MCSWANE produced?
- MCSWANE has reported 8,607,472 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026, from 1 wellbore.
- How much is MCSWANE worth?
- The remaining production from MCSWANE is estimated to be worth about $1.7M in total as of 27 August 2026, within a range of $1.4M to $2.0M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in MCSWANE is a fraction of it. The estimate fits an Arps decline curve to the production MCSWANE has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for MCSWANE is an estimate of value, not an offer and not an appraisal.
- How much income does MCSWANE generate in a year?
- MCSWANE is forecast to net about $251K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in MCSWANE receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Marathon Oil Company |
|---|---|
| Field | Mcswane (Cotton Valley Lime) |
| County | Freestone County, Texas |
| RRC district | 05 |
| Lease number | 087570 |
| Wellbores | 1 |
| Reported production | 8,607,472 mcf |
| First reported | |
| Last reported | |
| Estimated royalty value | $1.7M |
Where MCSWANE sits
Source: Railroad Commission of Texas lease production records, complete through . Figures on this page were computed on .
Production figures are as reported to the Railroad Commission of Texas. The value shown is an estimate produced by fitting a decline curve to that reported history; it is not an offer or an appraisal. How this estimate is calculated.