SALLIE 13
SALLIE 13 is a Texas oil lease in Ector County, Railroad Commission district 08, operated by Diamondback E&P LLC. It has 2 wellbores on file with the Commission. Reported production runs from June 2022 to August 2026, totalling 50,627 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 $1.5M, with roughly $557K 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 856 barrels a month, about 428 per wellbore. Its strongest month on the record we hold was January 2023, at 1,581 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 SALLIE 13
- Who operates SALLIE 13?
- SALLIE 13 is operated by Diamondback E&P LLC, Railroad Commission of Texas operator number 217012.
- Where is SALLIE 13?
- SALLIE 13 is a Texas oil lease in Ector County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 59670.
- Is SALLIE 13 still producing?
- SALLIE 13 is currently producing. The most recent month of production reported to the Railroad Commission of Texas for SALLIE 13 is August 2026.
- How much has SALLIE 13 produced?
- SALLIE 13 has reported 50,627 barrels of oil (bbl) to the Railroad Commission of Texas between June 2022 and August 2026, from 2 wellbores.
- How much is SALLIE 13 worth?
- The remaining production from SALLIE 13 is estimated to be worth about $1.5M in total as of 26 August 2026, within a range of $1.2M to $1.8M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in SALLIE 13 is a fraction of it. The estimate fits an Arps decline curve to the production SALLIE 13 has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for SALLIE 13 is an estimate of value, not an offer and not an appraisal.
- How much income does SALLIE 13 generate in a year?
- SALLIE 13 is forecast to net about $557K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in SALLIE 13 receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Diamondback E&P LLC |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Ector County, Texas |
| RRC district | 08 |
| Lease number | 59670 |
| Wellbores | 2 |
| Reported production | 50,627 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $1.5M |
Where SALLIE 13 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.