GRAHAM
GRAHAM is a Texas oil lease in Jack County, Railroad Commission district 09, operated by Sierra Exploration Company. It has 1 wellbore on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 17,841 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 $107K, with roughly $19K 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 19 barrels a month. Its strongest month on the record we hold was March 2020, at 102 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 GRAHAM
- Who operates GRAHAM?
- GRAHAM is operated by Sierra Exploration Company, Railroad Commission of Texas operator number 780213.
- Where is GRAHAM?
- GRAHAM is a Texas oil lease in Jack County, Texas, in Railroad Commission district 09. Its Railroad Commission lease number is 21879.
- Is GRAHAM still producing?
- GRAHAM is currently producing. The most recent month of production reported to the Railroad Commission of Texas for GRAHAM is August 2026.
- How much has GRAHAM produced?
- GRAHAM has reported 17,841 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 1 wellbore.
- How much is GRAHAM worth?
- The remaining production from GRAHAM is estimated to be worth about $107K in total as of 26 August 2026, within a range of $59K to $155K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in GRAHAM is a fraction of it. The estimate fits an Arps decline curve to the production GRAHAM has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for GRAHAM is an estimate of value, not an offer and not an appraisal.
- How much income does GRAHAM generate in a year?
- GRAHAM is forecast to net about $19K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in GRAHAM receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Sierra Exploration Company |
|---|---|
| Field | K L M (Caddo B) |
| County | Jack County, Texas |
| RRC district | 09 |
| Lease number | 21879 |
| Wellbores | 1 |
| Reported production | 17,841 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $107K |
Where GRAHAM 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.