BLACKJACK 16-21 E
BLACKJACK 16-21 E is a Texas oil lease in Martin County, Railroad Commission district 08, operated by Diamondback E&P LLC. It has 2 wellbores on file with the Commission. Reported production runs from December 2022 to August 2026, totalling 94,315 barrels. The lease is intermittent. 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 $6.7M, with roughly $3.2M 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 7,279 barrels a month, about 3,639 per wellbore. Its strongest month on the record we hold was October 2025, at 21,881 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 BLACKJACK 16-21 E
- Who operates BLACKJACK 16-21 E?
- BLACKJACK 16-21 E is operated by Diamondback E&P LLC, Railroad Commission of Texas operator number 217012.
- Where is BLACKJACK 16-21 E?
- BLACKJACK 16-21 E is a Texas oil lease in Martin County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 60668.
- Is BLACKJACK 16-21 E still producing?
- BLACKJACK 16-21 E is intermittent. The most recent month of production reported to the Railroad Commission of Texas for BLACKJACK 16-21 E is August 2026.
- How much has BLACKJACK 16-21 E produced?
- BLACKJACK 16-21 E has reported 94,315 barrels of oil (bbl) to the Railroad Commission of Texas between December 2022 and August 2026, from 2 wellbores.
- How much is BLACKJACK 16-21 E worth?
- The remaining production from BLACKJACK 16-21 E is estimated to be worth about $6.7M in total as of 26 August 2026, within a range of $5.6M to $7.9M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in BLACKJACK 16-21 E is a fraction of it. The estimate fits an Arps decline curve to the production BLACKJACK 16-21 E has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for BLACKJACK 16-21 E is an estimate of value, not an offer and not an appraisal.
- How much income does BLACKJACK 16-21 E generate in a year?
- BLACKJACK 16-21 E is forecast to net about $3.2M across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in BLACKJACK 16-21 E receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Diamondback E&P LLC |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Martin County, Texas |
| RRC district | 08 |
| Lease number | 60668 |
| Wellbores | 2 |
| Reported production | 94,315 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $6.7M |
Where BLACKJACK 16-21 E 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.