HEIDELBERG
HEIDELBERG is a Texas oil lease in Martin County, Railroad Commission district 08, operated by Prime Operating Company. It has 8 wellbores on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 276,426 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 $763K, with roughly $218K 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 397 barrels a month, about 50 per wellbore. Its strongest month on the record we hold was April 2026, at 1,208 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 HEIDELBERG
- Who operates HEIDELBERG?
- HEIDELBERG is operated by Prime Operating Company, Railroad Commission of Texas operator number 677770.
- Where is HEIDELBERG?
- HEIDELBERG is a Texas oil lease in Martin County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 28565.
- Is HEIDELBERG still producing?
- HEIDELBERG is currently producing. The most recent month of production reported to the Railroad Commission of Texas for HEIDELBERG is August 2026.
- How much has HEIDELBERG produced?
- HEIDELBERG has reported 276,426 barrels of oil (bbl) to the Railroad Commission of Texas between January 1993 and August 2026, from 8 wellbores.
- How much is HEIDELBERG worth?
- The remaining production from HEIDELBERG is estimated to be worth about $763K in total as of 27 August 2026, within a range of $595K to $931K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in HEIDELBERG is a fraction of it. The estimate fits an Arps decline curve to the production HEIDELBERG has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for HEIDELBERG is an estimate of value, not an offer and not an appraisal.
- How much income does HEIDELBERG generate in a year?
- HEIDELBERG is forecast to net about $218K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in HEIDELBERG receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Prime Operating Company |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Martin County, Texas |
| RRC district | 08 |
| Lease number | 28565 |
| Wellbores | 8 |
| Reported production | 276,426 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $763K |
Where HEIDELBERG 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.