GRISWELL-NOWLIN (SA)
GRISWELL-NOWLIN (SA) is a Texas gas lease in Johnson County, Railroad Commission district 09, operated by Devon Energy Production Co, L.P. It has 1 wellbore on file with the Commission. Reported production runs from December 2008 to August 2026, totalling 1,927,789 thousand cubic feet. 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 $646K, with roughly $107K 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 4,644 thousand cubic feet a month. Its strongest month on the record we hold was September 2017, at 13,034 thousand cubic feet. 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 GRISWELL-NOWLIN (SA)
- Who operates GRISWELL-NOWLIN (SA)?
- GRISWELL-NOWLIN (SA) is operated by Devon Energy Production Co, L.P., Railroad Commission of Texas operator number 216378.
- Where is GRISWELL-NOWLIN (SA)?
- GRISWELL-NOWLIN (SA) is a Texas gas lease in Johnson County, Texas, in Railroad Commission district 09. Its Railroad Commission lease number is 255872.
- Is GRISWELL-NOWLIN (SA) still producing?
- GRISWELL-NOWLIN (SA) is currently producing. The most recent month of production reported to the Railroad Commission of Texas for GRISWELL-NOWLIN (SA) is August 2026.
- How much has GRISWELL-NOWLIN (SA) produced?
- GRISWELL-NOWLIN (SA) has reported 1,927,789 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between December 2008 and August 2026, from 1 wellbore.
- How much is GRISWELL-NOWLIN (SA) worth?
- The remaining production from GRISWELL-NOWLIN (SA) is estimated to be worth about $646K in total as of 26 August 2026, within a range of $536K to $756K. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in GRISWELL-NOWLIN (SA) is a fraction of it. The estimate fits an Arps decline curve to the production GRISWELL-NOWLIN (SA) has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for GRISWELL-NOWLIN (SA) is an estimate of value, not an offer and not an appraisal.
- How much income does GRISWELL-NOWLIN (SA) generate in a year?
- GRISWELL-NOWLIN (SA) is forecast to net about $107K across the whole undivided lease over the twelve months following 26 August 2026, before income tax. A royalty owner in GRISWELL-NOWLIN (SA) receives a fraction of that, set by the decimal interest printed on their check stub.
Lease record
| Operator | Devon Energy Production Co, L.P. |
|---|---|
| Field | Newark, East (Barnett Shale) |
| County | Johnson County, Texas |
| RRC district | 09 |
| Lease number | 255872 |
| Wellbores | 1 |
| Reported production | 1,927,789 mcf |
| First reported | |
| Last reported | |
| Estimated royalty value | $646K |
Where GRISWELL-NOWLIN (SA) 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.