CAL-MON
CAL-MON is a Texas gas lease in Crockett County, Railroad Commission district 7C, operated by Devon Energy Production Co, L.P. It has 1 wellbore on file with the Commission. Reported production runs from May 2004 to August 2026, totalling 245,742 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 $54K, with roughly $9K 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 343 thousand cubic feet a month. Its strongest month on the record we hold was August 2016, at 605 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 CAL-MON
- Who operates CAL-MON?
- CAL-MON is operated by Devon Energy Production Co, L.P., Railroad Commission of Texas operator number 216378.
- Where is CAL-MON?
- CAL-MON is a Texas gas lease in Crockett County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 205489.
- Is CAL-MON still producing?
- CAL-MON is currently producing. The most recent month of production reported to the Railroad Commission of Texas for CAL-MON is August 2026.
- How much has CAL-MON produced?
- CAL-MON has reported 245,742 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between May 2004 and August 2026, from 1 wellbore.
- How much is CAL-MON worth?
- The remaining production from CAL-MON is estimated to be worth about $54K in total as of 27 August 2026, within a range of $42K to $66K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in CAL-MON is a fraction of it. The estimate fits an Arps decline curve to the production CAL-MON has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for CAL-MON is an estimate of value, not an offer and not an appraisal.
- How much income does CAL-MON generate in a year?
- CAL-MON is forecast to net about $9K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in CAL-MON receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Devon Energy Production Co, L.P. |
|---|---|
| Field | Ozona, Ne. (Canyon Sand) |
| County | Crockett County, Texas |
| RRC district | 7C |
| Lease number | 205489 |
| Wellbores | 1 |
| Reported production | 245,742 mcf |
| First reported | |
| Last reported | |
| Estimated royalty value | $54K |
Where CAL-MON 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.