GILLUM

GILLUM is a Texas oil lease in Stonewall County, Railroad Commission district 7B, operated by Brooks, E. B., JR. It has 12 wellbores on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 244,818 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 $167K, with roughly $32K 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 37 barrels a month, about 3 per wellbore. Its strongest month on the record we hold was November 2016, at 254 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 GILLUM

Who operates GILLUM?
GILLUM is operated by Brooks, E. B., JR., Railroad Commission of Texas operator number 097035.
Where is GILLUM?
GILLUM is a Texas oil lease in Stonewall County, Texas, in Railroad Commission district 7B. Its Railroad Commission lease number is 22529.
Is GILLUM still producing?
GILLUM is currently producing. The most recent month of production reported to the Railroad Commission of Texas for GILLUM is August 2026.
How much has GILLUM produced?
GILLUM has reported 244,818 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 12 wellbores.
How much is GILLUM worth?
The remaining production from GILLUM is estimated to be worth about $167K in total as of 27 August 2026, within a range of $92K to $241K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in GILLUM is a fraction of it. The estimate fits an Arps decline curve to the production GILLUM has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for GILLUM is an estimate of value, not an offer and not an appraisal.
How much income does GILLUM generate in a year?
GILLUM is forecast to net about $32K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in GILLUM receives a fraction of that, set by the decimal interest printed on their check stub.

Lease record

GILLUM as filed with the Railroad Commission of Texas
OperatorBrooks, E. B., JR.
FieldMengel, E. (Canyon Sand)
CountyStonewall County, Texas
RRC district7B
Lease number22529
Wellbores12
Reported production244,818 bbl
First reported
Last reported
Estimated royalty value$167K

Where GILLUM 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.