BLACK DOG 4231 E
BLACK DOG 4231 E is a Texas oil lease in Upton County, Railroad Commission district 7C, operated by Apache Corporation. It has 2 wellbores on file with the Commission. Reported production runs from April 2019 to August 2026, totalling 554,628 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 $7.8M, with roughly $1.7M 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 1,219 barrels a month, about 610 per wellbore. Its strongest month on the record we hold was May 2019, at 42,718 barrels. In our own backtest, leases producing at this rate are forecast to within about 17% 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 BLACK DOG 4231 E
- Who operates BLACK DOG 4231 E?
- BLACK DOG 4231 E is operated by Apache Corporation, Railroad Commission of Texas operator number 027200.
- Where is BLACK DOG 4231 E?
- BLACK DOG 4231 E is a Texas oil lease in Upton County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 20249.
- Is BLACK DOG 4231 E still producing?
- BLACK DOG 4231 E is currently producing. The most recent month of production reported to the Railroad Commission of Texas for BLACK DOG 4231 E is August 2026.
- How much has BLACK DOG 4231 E produced?
- BLACK DOG 4231 E has reported 554,628 barrels of oil (bbl) to the Railroad Commission of Texas between April 2019 and August 2026, from 2 wellbores.
- How much is BLACK DOG 4231 E worth?
- The remaining production from BLACK DOG 4231 E is estimated to be worth about $7.8M in total as of 26 August 2026, within a range of $6.5M to $9.2M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in BLACK DOG 4231 E is a fraction of it. The estimate fits an Arps decline curve to the production BLACK DOG 4231 E has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for BLACK DOG 4231 E is an estimate of value, not an offer and not an appraisal.
- How much income does BLACK DOG 4231 E generate in a year?
- BLACK DOG 4231 E is forecast to net about $1.7M across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in BLACK DOG 4231 E receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Apache Corporation |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Upton County, Texas |
| RRC district | 7C |
| Lease number | 20249 |
| Wellbores | 2 |
| Reported production | 554,628 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $7.8M |
Where BLACK DOG 4231 E 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.