COX-CHAFFIN
COX-CHAFFIN is a Texas oil lease in Garza County, Railroad Commission district 8A, operated by Stelzer, J. C. It has 2 wellbores on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 72,380 barrels. 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 $475K, with roughly $91K 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 132 barrels a month, about 66 per wellbore. Its strongest month on the record we hold was January 2020, at 375 barrels. 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 COX-CHAFFIN
- Who operates COX-CHAFFIN?
- COX-CHAFFIN is operated by Stelzer, J. C., Railroad Commission of Texas operator number 817400.
- Where is COX-CHAFFIN?
- COX-CHAFFIN is a Texas oil lease in Garza County, Texas, in Railroad Commission district 8A. Its Railroad Commission lease number is 04606.
- Is COX-CHAFFIN still producing?
- COX-CHAFFIN is currently producing. The most recent month of production reported to the Railroad Commission of Texas for COX-CHAFFIN is August 2026.
- How much has COX-CHAFFIN produced?
- COX-CHAFFIN has reported 72,380 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 2 wellbores.
- How much is COX-CHAFFIN worth?
- The remaining production from COX-CHAFFIN is estimated to be worth about $475K in total as of 27 August 2026, within a range of $371K to $580K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in COX-CHAFFIN is a fraction of it. The estimate fits an Arps decline curve to the production COX-CHAFFIN has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for COX-CHAFFIN is an estimate of value, not an offer and not an appraisal.
- How much income does COX-CHAFFIN generate in a year?
- COX-CHAFFIN is forecast to net about $91K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in COX-CHAFFIN receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Stelzer, J. C. |
|---|---|
| Field | P. H. D. |
| County | Garza County, Texas |
| RRC district | 8A |
| Lease number | 04606 |
| Wellbores | 2 |
| Reported production | 72,380 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $475K |
Where COX-CHAFFIN 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.