Texas Mineral Rights · 2025 Tax Roll

Donald G. London & Katherine M. London

Mineral and royalty interests on file for this owner of Alvarado, TX, compiled from public county tax rolls and Railroad Commission of Texas production records.

Estimated Market Value
$326.35
Based on the 2025 tax roll and recent well production
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Veteran-OwnedFulshear, TexasEst. 2019Offers in 2 Business Days
Well Interests
11
2025 county tax roll
Counties
1
Johnson
Producing Wells
11
Matched to RRC records
Owner Location
Alvarado
Texas
Where the value sits

Estimated Value by Well

The wells driving the estimated value of Donald G. London & Katherine M. London's mineral portfolio.

Top Wells by Estimated Value
FLEET UNIT 4H
Johnson County · UPP OPERATING LLC
$129.31
FLEET 10H
Johnson County · UPP OPERATING LLC
$54.13
FLEET 9H
Johnson County · UPP OPERATING LLC
$45.36
FLEET UNIT 11H
Johnson County · UPP OPERATING LLC
$30.36
FLEET UNIT 13H
Johnson County · UPP OPERATING LLC
$21.46
FLEET UNIT 5H
Johnson County · UPP OPERATING LLC
$13.91

Estimated values combine recorded decimal interests with recent well production.

Value by County
Johnson County100.0%
No obligation · Veteran-owned · Fulshear, TX
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Production History & Forecast

Combined monthly oil and gas production from the most active wells associated with Donald G. London & Katherine M. London, with a 36-month decline-curve forecast.

Oil (barrels)Gas + condensate (MCF)36-month forecast
Loading production history…

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.

Ownership records

Interests Held By Donald G. London & Katherine M. London

Royalty and mineral interests from the 2025 county tax roll, matched to producing oil and gas wells. Sorted by estimated value.

#PropertyCountyOperatorInterestTypeEst. Value
1FLEET UNIT 4H
API 25131987
Johnson County, TXUPP OPERATING LLC0.000599R$129.31
2FLEET 10H
API 25132237
Johnson County, TXUPP OPERATING LLC0.000599R$54.13
3FLEET 9H
API 25132547
Johnson County, TXUPP OPERATING LLC0.000599R$45.36
4FLEET UNIT 11H
API 25132548
Johnson County, TXUPP OPERATING LLC0.000599R$30.36
5FLEET UNIT 13H
API 25132551
Johnson County, TXUPP OPERATING LLC0.000599R$21.46
6FLEET UNIT 5H
API 25132469
Johnson County, TXUPP OPERATING LLC0.000599R$13.91
7FLEET UNIT 7H
API 25132593
Johnson County, TXUPP OPERATING LLC0.000599R$11.61
8FLEET UNIT 12H
API 25132549
Johnson County, TXUPP OPERATING LLC0.000599R$10.71
9FLEET UNIT 2H
API 25131986
Johnson County, TXUPP OPERATING LLC0.000599R$9.45
10FLEET UNIT 1H
API 25131474
Johnson County, TXUPP OPERATING LLC0.000599R$0.04
11FLEET UNIT 3H
API 25131985
Johnson County, TXUPP OPERATING LLC0.000599R$0.00
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