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Royalty Clerk

Texas oil lease · RRC district 06 · Lease 13405

Producing

COBB

Cobb is an oil lease in Smith County, Texas, operated by Thomas Operating Ltd. Co. in the Chapel Hill (Pettit) field. The Railroad Commission shows 767 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 1 well

767bbl oil, last 12 months+4% vs prior year
Operator
Thomas Operating Ltd. Co.
County
Smith County
Field
Chapel Hill (Pettit)
RRC lease
06-13405

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Where it sits

This county

Smith CountySmithVan ZandtGreggUpshurWoodRuskCampRainsHendersonSmith County
Smith County · RRC district 06Open Smith County →
Oil in Jul 2026
80 bbl
Reporting to the state
since Jan 2020
Wells
1
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 4% over the last 12 months

767 bbl in the 12 months through Jul 2026, against 736 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output rose 4% over the last 12 monthsMonthly oil production for COBB, Aug 2023 to Jul 2026. Oil output rose 4% over the last 12 months. 767 bbl in the 12 months through Jul 2026, against 736 bbl in the 12 months before.Last 12 months: 767 bblbbl per month0255075100125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 4% over the last 12 monthsMonthly oil production for COBB, Aug 2023 to Jul 2026. Oil output rose 4% over the last 12 months. 767 bbl in the 12 months through Jul 2026, against 736 bbl in the 12 months before.Last 12 monthsbbl per month0255075100125Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 13405, district 06. 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.

Thomas Operating Ltd. Co. has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeThomas Operating Ltd. Co., Jan 2020 to Jul 20262020202120222023202420252026Thomas Operating Ltd. Co.Jan 2020 to nowthrough Jul 2026
Operators of this lease over timeThomas Operating Ltd. Co., Jan 2020 to Jul 20262020202120222023202420252026Thomas Operating Ltd. Co.Jan 2020 to nowthrough Jul 2026

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

Wells

1 well on this lease

Every well the Railroad Commission links to oil lease 13405 in district 06. The API number is the state’s ID for a well.
Wells on COBB
API numberWell no.Status
42-423-304321Active

SourceTexas Railroad Commission Wellbore Query, district 06, lease 13405.

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

    Eastex Crude Company gathers it.

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

  • Gas from oil wells

    Jge Gas Solutions, LP buys and gathers it.

    Jge Gas Solutions, LP buys it: 100% of it, on the list since Apr 1, 2022 · Jge Gas Solutions, LP gathers it: 100% of it, on the list since Apr 1, 2022

Companies that used to be listed: American Midstream Gas Sltns, LP (gathers it, until Apr 1, 2022); American Midstream Gas Sltns, LP (buys it, until Apr 1, 2022).

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

100.40 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
11 not plugged
Horizontal
0
First completion
Dec 22, 1980
Latest permit
May 4, 1995
Wells and acres on the permits for Cobb
API numberWell no.Acreson the permit
42-423-304321100.40

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 COBB 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 COBB
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Thomas Operating800$80.46$2.89
Jun 2026Thomas Operating82172$84.81$3.15
May 2026Thomas Operating1000$102.13$2.94
Apr 2026Thomas Operating450$100.32$2.77
Mar 2026Thomas Operating17152$91.38$3.04
Feb 2026Thomas Operating280$64.51$3.62
Jan 2026Thomas Operating800$60.04$7.72
Dec 2025Thomas Operating230$57.97$4.26
Nov 2025Thomas Operating770$60.06$3.79
Oct 2025Thomas Operating70179$60.89$3.19
Sep 2025Thomas Operating950$63.96$2.97
Aug 2025Thomas Operating70175$64.86$2.91
Jul 2025Thomas Operating1190$68.39$3.20
Jun 2025Thomas Operating82180$68.17$3.02
May 2025Thomas Operating750$62.17$3.12
Apr 2025Thomas Operating300$63.54$3.42
Mar 2025Thomas Operating95180$68.24$4.12
Feb 2025Thomas Operating940$71.53$4.19
Jan 2025Thomas Operating50$75.74$4.13
Dec 2024Thomas Operating280$70.12$3.01
Nov 2024Thomas Operating45172$69.95$2.12
Oct 2024Thomas Operating330$71.99$2.20
Sep 2024Thomas Operating600$70.24$2.28
Aug 2024Thomas Operating70178$76.68$1.99
Jul 2024Thomas Operating1100$81.80$2.07
Jun 2024Thomas Operating370$79.77$2.54
May 2024Thomas Operating63178$80.02$2.12
Apr 2024Thomas Operating220$85.35$1.60
Mar 2024Thomas Operating200$81.28$1.49
Feb 2024Thomas Operating00$77.25$1.72
Jan 2024Thomas Operating50$74.15$3.18
Dec 2023Thomas Operating180$71.90$2.52
Nov 2023Thomas Operating330$77.69$2.71
Oct 2023Thomas Operating100$85.64$2.98
Sep 2023Thomas Operating13168$89.43$2.64
Aug 2023Thomas Operating100$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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Around this lease

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Everything on this page connects to the operator, field and county records. Start from any of them.

This lease belongs to

OperatorThomas Operating Ltd. Co.FieldChapel Hill (Pettit)CountySmith County

Thomas Operating Ltd. Co. in Smith County

All Thomas Operating Ltd. Co. leases →

Chapel Hill (Pettit) field

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Leases within 10 km

Found by the location of their wells.

New drilling permits in Smith 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 13405, district 06, 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.