Texas Mineral Rights · 2025 Tax Roll

Martha Kay Lang

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

Estimated Market Value
$126.96
Based on the 2025 tax roll and recent well production
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Veteran-OwnedFulshear, TexasEst. 2019Offers in 2 Business Days
Well Interests
7
2025 county tax roll
Counties
1
Ellis
Producing Wells
7
Matched to RRC records
Owner Location
De Kalb
Texas
Where the value sits

Estimated Value by Well

The wells driving the estimated value of Martha Kay Lang's mineral portfolio.

Top Wells by Estimated Value
BONTKE UNIT 2H
Ellis County · UPP OPERATING LLC
$53.67
BONTKE 12H
Ellis County · UPP OPERATING LLC
$36.88
BONTKE UNIT 1H
Ellis County · UPP OPERATING LLC
$14.07
BONTKE UNIT 4H
Ellis County · UPP OPERATING LLC
$11.09
BONTKE UNIT 6H
Ellis County · UPP OPERATING LLC
$11.09
BONTKE 13H
Ellis County · UPP OPERATING LLC
$0.15

Estimated values combine recorded decimal interests with recent well production.

Value by County
Ellis 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 Martha Kay Lang, with a 36-month decline-curve forecast.

Oil (barrels)Gas + condensate (MCF)36-month forecast
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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 Martha Kay Lang

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

#PropertyCountyOperatorInterestTypeEst. Value
1BONTKE UNIT 2H
API 13930493
Ellis County, TXUPP OPERATING LLC0.000596R$53.67
2BONTKE 12H
API 13930550
Ellis County, TXUPP OPERATING LLC0.000596R$36.88
3BONTKE UNIT 1H
API 13930490
Ellis County, TXUPP OPERATING LLC0.000596R$14.07
4BONTKE UNIT 4H
API 13930588
Ellis County, TXUPP OPERATING LLC0.000596R$11.09
5BONTKE UNIT 6H
API 13930589
Ellis County, TXUPP OPERATING LLC0.000596R$11.09
6BONTKE 13H
API 13930548
Ellis County, TXUPP OPERATING LLC0.000596R$0.15
7BONTKE UNIT 5H
API 13930546
Ellis County, TXUPP OPERATING LLC0.000596R$0.00

Land & Tract Interests

Tracts with recorded mineral ownership.

CountyLegal DescriptionGross AcresNRA
Harrison, TX675.169 ac, being the Killingsworth Gas Unit in and a part of the W. Patton Svy, A-18, W.B. Green Svy, A-820, J.C. Hale Svy, A-335, Harrison Co, Texas675.1711.11
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