FLANAGAN UNIT
FLANAGAN UNIT is a Texas oil lease in Gaines County, Railroad Commission district 8A, operated by Shell Western E&P Inc. It has 220 wellbores on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 15,871,163 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 $17.2M, with roughly $3.9M 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 5,621 barrels a month, about 26 per wellbore. Its strongest month on the record we hold was November 2016, at 24,689 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 FLANAGAN UNIT
- Who operates FLANAGAN UNIT?
- FLANAGAN UNIT is operated by Shell Western E&P Inc., Railroad Commission of Texas operator number 774720.
- Where is FLANAGAN UNIT?
- FLANAGAN UNIT is a Texas oil lease in Gaines County, Texas, in Railroad Commission district 8A. Its Railroad Commission lease number is 66166.
- Is FLANAGAN UNIT still producing?
- FLANAGAN UNIT is currently producing. The most recent month of production reported to the Railroad Commission of Texas for FLANAGAN UNIT is August 2026.
- How much has FLANAGAN UNIT produced?
- FLANAGAN UNIT has reported 15,871,163 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 220 wellbores.
- How much is FLANAGAN UNIT worth?
- The remaining production from FLANAGAN UNIT is estimated to be worth about $17.2M in total as of 27 August 2026, within a range of $14.2M to $20.1M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in FLANAGAN UNIT is a fraction of it. The estimate fits an Arps decline curve to the production FLANAGAN UNIT has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for FLANAGAN UNIT is an estimate of value, not an offer and not an appraisal.
- How much income does FLANAGAN UNIT generate in a year?
- FLANAGAN UNIT is forecast to net about $3.9M across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in FLANAGAN UNIT receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Shell Western E&P Inc. |
|---|---|
| Field | Flanagan (Clearfork, Cons.) |
| County | Gaines County, Texas |
| RRC district | 8A |
| Lease number | 66166 |
| Wellbores | 220 |
| Reported production | 15,871,163 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $17.2M |
Where FLANAGAN UNIT 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.