ROBTANN
ROBTANN is a Texas oil lease in Nolan County, Railroad Commission district 7B, operated by Walter Exploration Inc. It has 2 wellbores on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 244,824 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 $411K, with roughly $79K 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 108 barrels a month, about 54 per wellbore. Its strongest month on the record we hold was March 2017, at 316 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 ROBTANN
- Who operates ROBTANN?
- ROBTANN is operated by Walter Exploration Inc., Railroad Commission of Texas operator number 895235.
- Where is ROBTANN?
- ROBTANN is a Texas oil lease in Nolan County, Texas, in Railroad Commission district 7B. Its Railroad Commission lease number is 26659.
- Is ROBTANN still producing?
- ROBTANN is currently producing. The most recent month of production reported to the Railroad Commission of Texas for ROBTANN is August 2026.
- How much has ROBTANN produced?
- ROBTANN has reported 244,824 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 2 wellbores.
- How much is ROBTANN worth?
- The remaining production from ROBTANN is estimated to be worth about $411K in total as of 26 August 2026, within a range of $320K to $501K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in ROBTANN is a fraction of it. The estimate fits an Arps decline curve to the production ROBTANN has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for ROBTANN is an estimate of value, not an offer and not an appraisal.
- How much income does ROBTANN generate in a year?
- ROBTANN is forecast to net about $79K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in ROBTANN receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Walter Exploration Inc. |
|---|---|
| Field | Sprague (Cisco) |
| County | Nolan County, Texas |
| RRC district | 7B |
| Lease number | 26659 |
| Wellbores | 2 |
| Reported production | 244,824 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $411K |
Where ROBTANN 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.