MCMILLAN UNIT
MCMILLAN UNIT is a Texas gas lease in Grayson County, Railroad Commission district 09, operated by Harper, Wayne. It has 1 wellbore on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 597,697 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 $77K, with roughly $15K 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 709 thousand cubic feet a month. Its strongest month on the record we hold was December 2017, at 6,859 thousand cubic feet. In our own backtest, leases producing at this rate are forecast to within about 22% 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 MCMILLAN UNIT
- Who operates MCMILLAN UNIT?
- MCMILLAN UNIT is operated by Harper, Wayne, Railroad Commission of Texas operator number 358820.
- Where is MCMILLAN UNIT?
- MCMILLAN UNIT is a Texas gas lease in Grayson County, Texas, in Railroad Commission district 09. Its Railroad Commission lease number is 072776.
- Is MCMILLAN UNIT still producing?
- MCMILLAN UNIT is currently producing. The most recent month of production reported to the Railroad Commission of Texas for MCMILLAN UNIT is August 2026.
- How much has MCMILLAN UNIT produced?
- MCMILLAN UNIT has reported 597,697 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026, from 1 wellbore.
- How much is MCMILLAN UNIT worth?
- The remaining production from MCMILLAN UNIT is estimated to be worth about $77K in total as of 26 August 2026, within a range of $60K to $94K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in MCMILLAN UNIT is a fraction of it. The estimate fits an Arps decline curve to the production MCMILLAN UNIT has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for MCMILLAN UNIT is an estimate of value, not an offer and not an appraisal.
- How much income does MCMILLAN UNIT generate in a year?
- MCMILLAN UNIT is forecast to net about $15K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in MCMILLAN UNIT receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Harper, Wayne |
|---|---|
| Field | Swick (Mclish) |
| County | Grayson County, Texas |
| RRC district | 09 |
| Lease number | 072776 |
| Wellbores | 1 |
| Reported production | 597,697 mcf |
| First reported | |
| Last reported | |
| Estimated royalty value | $77K |
Where MCMILLAN UNIT 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.