BIG JIM
BIG JIM is a Texas oil lease in Fayette County, Railroad Commission district 03, operated by United Oil & Minerals, Inc. It has 1 wellbore on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 40,906 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 $158K, with roughly $27K 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 26 barrels a month. Its strongest month on the record we hold was October 2024, at 236 barrels. In our own backtest, leases producing at this rate are forecast to within about 45% 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 BIG JIM
- Who operates BIG JIM?
- BIG JIM is operated by United Oil & Minerals, Inc., Railroad Commission of Texas operator number 877350.
- Where is BIG JIM?
- BIG JIM is a Texas oil lease in Fayette County, Texas, in Railroad Commission district 03. Its Railroad Commission lease number is 14009.
- Is BIG JIM still producing?
- BIG JIM is currently producing. The most recent month of production reported to the Railroad Commission of Texas for BIG JIM is August 2026.
- How much has BIG JIM produced?
- BIG JIM has reported 40,906 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 1 wellbore.
- How much is BIG JIM worth?
- The remaining production from BIG JIM is estimated to be worth about $158K in total as of 27 August 2026, within a range of $87K to $230K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in BIG JIM is a fraction of it. The estimate fits an Arps decline curve to the production BIG JIM has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for BIG JIM is an estimate of value, not an offer and not an appraisal.
- How much income does BIG JIM generate in a year?
- BIG JIM is forecast to net about $27K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in BIG JIM receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | United Oil & Minerals, Inc. |
|---|---|
| Field | Giddings (Austin Chalk-3) |
| County | Fayette County, Texas |
| RRC district | 03 |
| Lease number | 14009 |
| Wellbores | 1 |
| Reported production | 40,906 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $158K |
Where BIG JIM 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.