COLLIE
COLLIE is a Texas oil lease in Jack County, Railroad Commission district 09, operated by G & F Oil, Inc. It has 1 wellbore on file with the Commission. Reported production runs from April 2017 to August 2026, totalling 8,481 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 $313K, with roughly $56K 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 59 barrels a month. Its strongest month on the record we hold was July 2017, at 267 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 COLLIE
- Who operates COLLIE?
- COLLIE is operated by G & F Oil, Inc., Railroad Commission of Texas operator number 292000.
- Where is COLLIE?
- COLLIE is a Texas oil lease in Jack County, Texas, in Railroad Commission district 09. Its Railroad Commission lease number is 33658.
- Is COLLIE still producing?
- COLLIE is currently producing. The most recent month of production reported to the Railroad Commission of Texas for COLLIE is August 2026.
- How much has COLLIE produced?
- COLLIE has reported 8,481 barrels of oil (bbl) to the Railroad Commission of Texas between April 2017 and August 2026, from 1 wellbore.
- How much is COLLIE worth?
- The remaining production from COLLIE is estimated to be worth about $313K in total as of 26 August 2026, within a range of $172K to $453K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in COLLIE is a fraction of it. The estimate fits an Arps decline curve to the production COLLIE has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for COLLIE is an estimate of value, not an offer and not an appraisal.
- How much income does COLLIE generate in a year?
- COLLIE is forecast to net about $56K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in COLLIE receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | G & F Oil, Inc. |
|---|---|
| Field | KRS (Marble Falls) |
| County | Jack County, Texas |
| RRC district | 09 |
| Lease number | 33658 |
| Wellbores | 1 |
| Reported production | 8,481 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $313K |
Where COLLIE 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.