COOK, W. I.
COOK, W. I. is a Texas oil lease in Shackelford County, Railroad Commission district 7B, operated by Young, Marshall R., Oil Co. It has 58 wellbores on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 133,031 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 $397K, with roughly $76K 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 108 barrels a month, about 2 per wellbore. Its strongest month on the record we hold was May 2021, at 583 barrels. In our own backtest, leases producing at this rate are forecast to within about 22% 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 COOK, W. I.
- Who operates COOK, W. I.?
- COOK, W. I. is operated by Young, Marshall R., Oil Co., Railroad Commission of Texas operator number 949290.
- Where is COOK, W. I.?
- COOK, W. I. is a Texas oil lease in Shackelford County, Texas, in Railroad Commission district 7B. Its Railroad Commission lease number is 03564.
- Is COOK, W. I. still producing?
- COOK, W. I. is currently producing. The most recent month of production reported to the Railroad Commission of Texas for COOK, W. I. is August 2026.
- How much has COOK, W. I. produced?
- COOK, W. I. has reported 133,031 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 58 wellbores.
- How much is COOK, W. I. worth?
- The remaining production from COOK, W. I. is estimated to be worth about $397K in total as of 27 August 2026, within a range of $310K to $484K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in COOK, W. I. is a fraction of it. The estimate fits an Arps decline curve to the production COOK, W. I. has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for COOK, W. I. is an estimate of value, not an offer and not an appraisal.
- How much income does COOK, W. I. generate in a year?
- COOK, W. I. is forecast to net about $76K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in COOK, W. I. receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Young, Marshall R., Oil Co. |
|---|---|
| Field | Cook Ranch |
| County | Shackelford County, Texas |
| RRC district | 7B |
| Lease number | 03564 |
| Wellbores | 58 |
| Reported production | 133,031 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $397K |
Where COOK, W. I. 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.