CALVERLEY 37-36
CALVERLEY 37-36 is a Texas oil lease in Glasscock County, Railroad Commission district 08, operated by RSP Permian, LLC. It has 16 wellbores on file with the Commission. Reported production runs from December 2017 to August 2026, totalling 4,675,895 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 $43.4M, with roughly $12.9M 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 13,561 barrels a month, about 848 per wellbore. Its strongest month on the record we hold was August 2020, at 238,251 barrels. In our own backtest, leases producing at this rate are forecast to within about 18% 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 CALVERLEY 37-36
- Who operates CALVERLEY 37-36?
- CALVERLEY 37-36 is operated by RSP Permian, LLC, Railroad Commission of Texas operator number 732224.
- Where is CALVERLEY 37-36?
- CALVERLEY 37-36 is a Texas oil lease in Glasscock County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 49857.
- Is CALVERLEY 37-36 still producing?
- CALVERLEY 37-36 is currently producing. The most recent month of production reported to the Railroad Commission of Texas for CALVERLEY 37-36 is August 2026.
- How much has CALVERLEY 37-36 produced?
- CALVERLEY 37-36 has reported 4,675,895 barrels of oil (bbl) to the Railroad Commission of Texas between December 2017 and August 2026, from 16 wellbores.
- How much is CALVERLEY 37-36 worth?
- The remaining production from CALVERLEY 37-36 is estimated to be worth about $43.4M in total as of 27 August 2026, within a range of $35.6M to $51.2M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in CALVERLEY 37-36 is a fraction of it. The estimate fits an Arps decline curve to the production CALVERLEY 37-36 has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for CALVERLEY 37-36 is an estimate of value, not an offer and not an appraisal.
- How much income does CALVERLEY 37-36 generate in a year?
- CALVERLEY 37-36 is forecast to net about $12.9M across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in CALVERLEY 37-36 receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | RSP Permian, LLC |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Glasscock County, Texas |
| RRC district | 08 |
| Lease number | 49857 |
| Wellbores | 16 |
| Reported production | 4,675,895 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $43.4M |
Where CALVERLEY 37-36 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.