CALVERT RANCH FRO
CALVERT RANCH FRO is a Texas oil lease in Frio County, Railroad Commission district 01, operated by Exco Operating Company, LP. It has 8 wellbores on file with the Commission. Reported production runs from July 2013 to August 2026, totalling 1,642,137 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 $14.5M, with roughly $3.5M 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 5,085 barrels a month, about 636 per wellbore. Its strongest month on the record we hold was August 2018, at 33,662 barrels. In our own backtest, leases producing at this rate are forecast to within about 17% 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 CALVERT RANCH FRO
- Who operates CALVERT RANCH FRO?
- CALVERT RANCH FRO is operated by Exco Operating Company, LP, Railroad Commission of Texas operator number 256915.
- Where is CALVERT RANCH FRO?
- CALVERT RANCH FRO is a Texas oil lease in Frio County, Texas, in Railroad Commission district 01. Its Railroad Commission lease number is 17100.
- Is CALVERT RANCH FRO still producing?
- CALVERT RANCH FRO is currently producing. The most recent month of production reported to the Railroad Commission of Texas for CALVERT RANCH FRO is August 2026.
- How much has CALVERT RANCH FRO produced?
- CALVERT RANCH FRO has reported 1,642,137 barrels of oil (bbl) to the Railroad Commission of Texas between July 2013 and August 2026, from 8 wellbores.
- How much is CALVERT RANCH FRO worth?
- The remaining production from CALVERT RANCH FRO is estimated to be worth about $14.5M in total as of 27 August 2026, within a range of $12.0M to $16.9M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in CALVERT RANCH FRO is a fraction of it. The estimate fits an Arps decline curve to the production CALVERT RANCH FRO has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for CALVERT RANCH FRO is an estimate of value, not an offer and not an appraisal.
- How much income does CALVERT RANCH FRO generate in a year?
- CALVERT RANCH FRO is forecast to net about $3.5M across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in CALVERT RANCH FRO receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Exco Operating Company, LP |
|---|---|
| Field | Briscoe Ranch (Eagleford) |
| County | Frio County, Texas |
| RRC district | 01 |
| Lease number | 17100 |
| Wellbores | 8 |
| Reported production | 1,642,137 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $14.5M |
Where CALVERT RANCH FRO 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.