MARSANNE
MARSANNE is a Texas oil lease in Dawson County, Railroad Commission district 08, operated by W&T Offshore, Inc. It has 1 wellbore on file with the Commission. Reported production runs from July 2012 to August 2026, totalling 28,137 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 $440K, with roughly $83K 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 91 barrels a month. Its strongest month on the record we hold was September 2017, at 477 barrels. In our own backtest, leases producing at this rate are forecast to within about 45% 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 MARSANNE
- Who operates MARSANNE?
- MARSANNE is operated by W&T Offshore, Inc., Railroad Commission of Texas operator number 887952.
- Where is MARSANNE?
- MARSANNE is a Texas oil lease in Dawson County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 43067.
- Is MARSANNE still producing?
- MARSANNE is currently producing. The most recent month of production reported to the Railroad Commission of Texas for MARSANNE is August 2026.
- How much has MARSANNE produced?
- MARSANNE has reported 28,137 barrels of oil (bbl) to the Railroad Commission of Texas between July 2012 and August 2026, from 1 wellbore.
- How much is MARSANNE worth?
- The remaining production from MARSANNE is estimated to be worth about $440K in total as of 26 August 2026, within a range of $242K to $638K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in MARSANNE is a fraction of it. The estimate fits an Arps decline curve to the production MARSANNE has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for MARSANNE is an estimate of value, not an offer and not an appraisal.
- How much income does MARSANNE generate in a year?
- MARSANNE is forecast to net about $83K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in MARSANNE receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | W&T Offshore, Inc. |
|---|---|
| Field | Spraberry (Trend Area) |
| County | Dawson County, Texas |
| RRC district | 08 |
| Lease number | 43067 |
| Wellbores | 1 |
| Reported production | 28,137 bbl |
| First reported | |
| Last reported | |
| Estimated royalty value | $440K |
Where MARSANNE 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.