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Royalty Clerk

Texas oil lease · RRC district 01 · Lease 03498

Producing

THREADGILL, ETAL

Threadgill, ETAL is an oil lease in Milam County, Texas, operated by Navarro Exploration Co., Inc. in the Minerva-Rockdale field. The Railroad Commission shows 105 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 41 wells

105bbl oil, last 12 months+6% vs prior year
Operator
Navarro Exploration Co., Inc.
County
Milam County
Field
Minerva-Rockdale
RRC lease
01-03498

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Where it sits

This county

Milam CountyMilamFallsBellWilliamsonBrazosBurlesonRobertsonMilam County
Milam County · RRC district 01Open Milam County →
Oil in Jul 2026
6 bbl
Reporting to the state
since Jan 2020
Wells
41
Data through
Jul 2026

Production

Month by month, from the state record

What the Railroad Commission says this oil lease produced. Oil is in barrels (bbl). Gas is in thousand cubic feet (mcf).

Oil output rose 6% over the last 12 months

105 bbl in the 12 months through Jul 2026, against 99 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output rose 6% over the last 12 monthsMonthly oil production for THREADGILL, ETAL, Aug 2023 to Jul 2026. Oil output rose 6% over the last 12 months. 105 bbl in the 12 months through Jul 2026, against 99 bbl in the 12 months before.Last 12 months: 105 bblbbl per month010203040Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 6% over the last 12 monthsMonthly oil production for THREADGILL, ETAL, Aug 2023 to Jul 2026. Oil output rose 6% over the last 12 months. 105 bbl in the 12 months through Jul 2026, against 99 bbl in the 12 months before.Last 12 monthsbbl per month010203040Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 03498, district 01. Reported through Jul 2026. The state revises recent months.

Gas disposition

Where the gas went

Every month the operator tells the state where each mcf of gas went, using a code. The code decides how your gas is paid.

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Operator history

Who has run this lease

The operator runs the wells and pays your royalty. When the operator changes, payments often slip for a month or two.

Navarro Exploration Co., Inc. has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeNavarro Exploration Co., Inc., Jan 2020 to Jul 20262020202120222023202420252026Navarro Exploration Co., Inc.Jan 2020 to nowthrough Jul 2026
Operators of this lease over timeNavarro Exploration Co., Inc., Jan 2020 to Jul 20262020202120222023202420252026Navarro Exploration Co., Inc.Jan 2020 to nowthrough Jul 2026

SourceTexas Railroad Commission Production Data Query, operator by month. Reported through Jul 2026.

Wells

41 wells on this lease

Every well the Railroad Commission links to oil lease 03498 in district 01. The API number is the state’s ID for a well.
Wells on THREADGILL, ETAL
API numberWell no.Status
42-331-003371Shut-in
42-331-003382Shut-in
42-331-003393Active
42-331-003404Active
42-331-003415Active
42-331-3308018Active
42-331-3308110Active
42-331-3308220Active
42-331-3308311Active
42-331-330847Shut-in
42-331-3308519Active
42-331-3310515Active
42-331-3310614Active
42-331-3310725Active
42-331-3310824Shut-in
42-331-3310926Active
42-331-3311027Shut-in
42-331-3311112Active
42-331-331126Active
42-331-3311313Active
42-331-3311523Active
42-331-3311622Active
42-331-3311721Active
42-331-3311817Active
42-331-3311916Active
42-331-3313028Active
42-331-33151B 1Active
42-331-33152B 2Active
42-331-33153B 3Active
42-331-33154B 4Active
42-331-33160B 7Active
42-331-33161B 6Active
42-331-33162B 5Active
42-331-33165B 9Active
42-331-33166B 11Active
42-331-33167B 10Active
42-331-3318331Active
42-331-3318440Active
42-331-3318530Shut-in
42-331-803738Active
42-331-803749Active

SourceTexas Railroad Commission Wellbore Query, district 01, lease 03498.

Who buys and gathers

Who moves and buys this lease's production

The operator files a Form P-4 with the Railroad Commission naming the companies authorised to gather and buy the oil and gas. The buyer's price is the one your royalty is figured on.

  • Oil

    Gulfmark Energy, Inc. gathers it.

    100% of it, on the list since Sep 1, 1997

SourceRailroad Commission of Texas, Form P-4 file, dated Sep 24, 2026 (source). A listed company is authorised to move or buy the production; the state does not say what it paid.

Who buys my oil and gasIs my oil price fair?

Unit and wells

324 acres on the newest permit

Acres and wells as the operator filed them on its Railroad Commission drilling permits. Your decimal is your net acres over the unit acres, so this is the number to hold your division order against.
Wells on the permits
4141 not plugged
Horizontal
0
First completion
Jan 12, 1984
Latest permit
Dec 3, 1987

41 wells are listed on this lease

Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Wells and acres on the permits for Threadgill, ETAL
API numberWell no.Acreson the permit
42-331-3318331324
42-331-3318440324
42-331-3318530324
42-331-33165B 9327
42-331-33167B 10327
42-331-33166B 11324
42-331-33160B 7324
42-331-33161B 6324
42-331-33162B 5324
42-331-33153B 3324
42-331-33154B 4324
42-331-33151B 1324

SourceRailroad Commission of Texas, drilling permits and wellbore file, Sep 26, 2026 (source 1, source 2). The acres are what the operator filed; they are not a survey.

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Estimator

Estimate your royalty for this lease

A rough check before you look at a statement: the state volumes times your decimal, priced at WTI and Henry Hub.

Estimator

What could your check be?

Your decimal interest is the small number on your division order that says what share of the whole lease (8/8ths) is yours. Type it in and we apply it to what the state says THREADGILL, ETAL sold each month.

For example 0.00097656, or a fraction like 1/1024.

Dollars per barrel. Your statements show the gap your operator uses. Leave 0 to price oil at WTI.

Your estimate appears here

Enter your decimal to see an estimated royalty for each of the last 12 months this lease reported. Nothing you type leaves your browser.

An estimate, not your check

It ignores gathering and processing fees, taxes, plant products and the price your operator actually gets, so your statement will differ. Use it as a ceiling to compare against.

Ledger

36 months, newest first

Compare these numbers with your statements. Your share of a month is the “Oil sold” volume times your decimal. Scroll sideways on a phone.
Monthly production, disposition and prices for THREADGILL, ETAL
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Navarro Exploration60$80.46$2.89
Jun 2026Navarro Exploration30$84.81$3.15
May 2026Navarro Exploration30$102.13$2.94
Apr 2026Navarro Exploration30$100.32$2.77
Mar 2026Navarro Exploration30$91.38$3.04
Feb 2026Navarro Exploration30$64.51$3.62
Jan 2026Navarro Exploration30$60.04$7.72
Dec 2025Navarro Exploration10$57.97$4.26
Nov 2025Navarro Exploration10$60.06$3.79
Oct 2025Navarro Exploration190$60.89$3.19
Sep 2025Navarro Exploration28182$63.96$2.97
Aug 2025Navarro Exploration320$64.86$2.91
Jul 2025Navarro Exploration220$68.39$3.20
Jun 2025Navarro Exploration160$68.17$3.02
May 2025Navarro Exploration30$62.17$3.12
Apr 2025Navarro Exploration70$63.54$3.42
Mar 2025Navarro Exploration60$68.24$4.12
Feb 2025Navarro Exploration40$71.53$4.19
Jan 2025Navarro Exploration20$75.74$4.13
Dec 2024Navarro Exploration60$70.12$3.01
Nov 2024Navarro Exploration130$69.95$2.12
Oct 2024Navarro Exploration60$71.99$2.20
Sep 2024Navarro Exploration50$70.24$2.28
Aug 2024Navarro Exploration90$76.68$1.99
Jul 2024Navarro Exploration110$81.80$2.07
Jun 2024Navarro Exploration80$79.77$2.54
May 2024Navarro Exploration170$80.02$2.12
Apr 2024Navarro Exploration90$85.35$1.60
Mar 2024Navarro Exploration190$81.28$1.49
Feb 2024Navarro Exploration130$77.25$1.72
Jan 2024Navarro Exploration140$74.15$3.18
Dec 2023Navarro Exploration00$71.90$2.52
Nov 2023Navarro Exploration00$77.69$2.71
Oct 2023Navarro Exploration00$85.64$2.98
Sep 2023Navarro Exploration00$89.43$2.64
Aug 2023Navarro Exploration00$81.39$2.58

No report filed More than 3% of gas flared

SourceVolumes: Texas Railroad Commission Production Data Query, reported through Jul 2026. Prices: EIA WTI Cushing spot and Henry Hub spot, monthly, through Aug 2026. “Gas sold” is gas sent to a transmission line (code 2) or a plant (code 3).

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This lease belongs to

OperatorNavarro Exploration Co., Inc.FieldMinerva-RockdaleCountyMilam County

Navarro Exploration Co., Inc. in Milam County

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Minerva-Rockdale field

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Leases within 10 km

Found by the location of their wells.

New drilling permits in Milam County

We do not have coordinates for this lease, so these are the newest permits in its county.

How to read this page

Questions owners ask

What is a decimal interest?

It is your share of the whole lease, written as a decimal. A 1/4 royalty on 5 net acres in a 1,280-acre unit is 1/4 × 5 ÷ 1,280 = 0.00097656. Your division order states yours.

How do I use this page to check a royalty check?

Take the “Oil sold” volume for the month the check covers and multiply it by your decimal. The answer should match the barrels on your statement. If it does not, upload the statement and we will show where the two differ.

Why is the newest month Jul 2026?

The Railroad Commission publishes production two to three months after the fact and revises recent months. We re-pull the latest three months on every update.

Does this page show what my check should be?

No. It shows what the state recorded. Prices, fees and taxes depend on your lease and on what your operator gets for the oil and gas. The estimator gives a ceiling to compare against.

Sources and method

Where these numbers come from

  • Production and disposition by month: Texas Railroad Commission Production Data Query, oil lease 03498, district 01, reported through Jul 2026.
  • Wells: Texas Railroad Commission Wellbore Query.
  • Prices: U.S. Energy Information Administration, WTI Cushing spot and Henry Hub spot, monthly.
  • Page updated Sep 28, 2026.

We show the state’s numbers as filed. Where the state has no report for a month, we say so instead of guessing.