MARY 18A-18
MARY 18A-18 is a Texas oil lease in Upton County, Railroad Commission district 7C, operated by Parsley Energy Operations, LLC. It has 1 wellbore on file with the Commission. Reported production runs from February 2015 to August 2026, totalling 178,399 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 $605K, with roughly $106K 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 144 barrels a month. Its strongest month on the record we hold was May 2016, at 3,209 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 MARY 18A-18
- Who operates MARY 18A-18?
- MARY 18A-18 is operated by Parsley Energy Operations, LLC, Railroad Commission of Texas operator number 642652.
- Where is MARY 18A-18?
- MARY 18A-18 is a Texas oil lease in Upton County, Texas, in Railroad Commission district 7C. Its Railroad Commission lease number is 18995.
- Is MARY 18A-18 still producing?
- MARY 18A-18 is currently producing. The most recent month of production reported to the Railroad Commission of Texas for MARY 18A-18 is August 2026.
- How much has MARY 18A-18 produced?
- MARY 18A-18 has reported 178,399 barrels of oil (bbl) to the Railroad Commission of Texas between February 2015 and August 2026, from 1 wellbore.
- How much is MARY 18A-18 worth?
- The remaining production from MARY 18A-18 is estimated to be worth about $605K in total as of 27 August 2026, within a range of $472K to $738K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in MARY 18A-18 is a fraction of it. The estimate fits an Arps decline curve to the production MARY 18A-18 has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for MARY 18A-18 is an estimate of value, not an offer and not an appraisal.
- How much income does MARY 18A-18 generate in a year?
- MARY 18A-18 is forecast to net about $106K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in MARY 18A-18 receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Parsley Energy Operations, LLC |
|---|---|
| Field | Spraberry (Trend Area) R 40 Exc |
| County | Upton County, Texas |
| RRC district | 7C |
| Lease number | 18995 |
| Wellbores | 1 |
| Reported production | 178,399 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $605K |
Where MARY 18A-18 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.