HIERHOLZER RETZLOFF UNIT
HIERHOLZER RETZLOFF UNIT is a Texas oil lease in Atascosa County, Railroad Commission district 01, operated by Marathon Oil Ef LLC. It has 1 wellbore on file with the Commission. Reported production runs from May 2011 to August 2026, totalling 194,118 barrels. The lease is shut in. 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 $2K, with roughly $383 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 0 barrels a month. Its strongest month on the record we hold was December 2024, at 1,706 barrels.
Key facts about HIERHOLZER RETZLOFF UNIT
- Who operates HIERHOLZER RETZLOFF UNIT?
- HIERHOLZER RETZLOFF UNIT is operated by Marathon Oil Ef LLC, Railroad Commission of Texas operator number 525398.
- Where is HIERHOLZER RETZLOFF UNIT?
- HIERHOLZER RETZLOFF UNIT is a Texas oil lease in Atascosa County, Texas, in Railroad Commission district 01. Its Railroad Commission lease number is 15621.
- Is HIERHOLZER RETZLOFF UNIT still producing?
- HIERHOLZER RETZLOFF UNIT is shut in. The most recent month of production reported to the Railroad Commission of Texas for HIERHOLZER RETZLOFF UNIT is August 2026.
- How much has HIERHOLZER RETZLOFF UNIT produced?
- HIERHOLZER RETZLOFF UNIT has reported 194,118 barrels of oil (bbl) to the Railroad Commission of Texas between May 2011 and August 2026, from 1 wellbore.
- How much is HIERHOLZER RETZLOFF UNIT worth?
- The remaining production from HIERHOLZER RETZLOFF UNIT is estimated to be worth about $2K in total as of 27 August 2026. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in HIERHOLZER RETZLOFF UNIT is a fraction of it. The estimate fits an Arps decline curve to the production HIERHOLZER RETZLOFF UNIT has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for HIERHOLZER RETZLOFF UNIT is an estimate of value, not an offer and not an appraisal.
- How much income does HIERHOLZER RETZLOFF UNIT generate in a year?
- HIERHOLZER RETZLOFF UNIT is forecast to net about $383 across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in HIERHOLZER RETZLOFF UNIT receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Marathon Oil Ef LLC |
|---|---|
| Field | Eagleville (Eagle Ford-1) |
| County | Atascosa County, Texas |
| RRC district | 01 |
| Lease number | 15621 |
| Wellbores | 1 |
| Reported production | 194,118 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $2K |
Where HIERHOLZER RETZLOFF UNIT 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.