Estimated Value by Well
The wells driving the estimated value of John Griswell III's mineral portfolio.
Estimated values combine recorded decimal interests with recent well production.
Get a firm cash offer for these mineral and royalty interests. We review your production history and respond within two business days.
Production History & Forecast
Combined monthly oil and gas production from the most active wells associated with John Griswell III, with a 36-month decline-curve forecast.
Source: Railroad Commission of Texas lease production filings. Condensate volumes are reported with gas. The dashed forecast is a decline curve fitted to the production history — an estimate, not a guarantee of future production.
Interests Held By John Griswell III
Royalty and mineral interests from the 2025 county tax roll, matched to producing oil and gas wells. Sorted by estimated value.
| # | Property | County | Operator | Interest | Type | Est. Value |
|---|---|---|---|---|---|---|
| 1 | GRISWELL-NOWLIN (SA) 2 API 25133379 | Johnson County, TX | FDL OPERATING LLC | 0.007496 | R | $1,185.42 |
| 2 | KENAH 1H API 25132688 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $803.49 |
| 3 | KENAH 2H API 25133225 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $544.04 |
| 4 | GRISWELL-NOWLIN (SA) 3 API 25133357 | Johnson County, TX | FDL OPERATING LLC | 0.007607 | R | $456.12 |
| 5 | KENAH 8H API 25133382 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $428.02 |
| 6 | GRISWELL 5 API 25133359 | Johnson County, TX | FDL OPERATING LLC | 0.007745 | R | $385.59 |
| 7 | KENAH 7H API 25133283 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $378.84 |
| 8 | KENAH 6H API 25133162 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $229.33 |
| 9 | GRISWELL 4 API 25133358 | Johnson County, TX | FDL OPERATING LLC | 0.007745 | R | $229.27 |
| 10 | KENAH 5H API 25132690 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $145.79 |
| 11 | GRISWELL-NOWLIN (SA) 1 API 25133324 | Johnson County, TX | FDL OPERATING LLC | 0.007443 | R | $90.63 |
| 12 | KENAH 3H API 25132689 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $87.91 |
| 13 | KENAH 4H API 25133229 | Johnson County, TX | TEP BARNETT USA LLC | 0.002858 | R | $69.60 |
| 14 | PAULINE HARRISON 3 API 25131955 | Johnson County, TX | FDL OPERATING LLC | 0.000507 | R | $35.26 |
How It Works
Request Your Cash Offer
Tell us how to reach you and we'll prepare a no-obligation offer for the interests held by John Griswell III.