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Royalty Clerk

Texas oil lease · RRC district 09 · Lease 28613

Producing

JOINT

Joint is an oil lease in Clay County, Texas, operated by Muirfield Exploration, Ltd. in the Thornberry, South (Permian) field. The Railroad Commission shows 250 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 7 wells

250bbl oil, last 12 months−26% vs prior year
Operator
Muirfield Exploration, Ltd.
County
Clay County
Field
Thornberry, South (Permian)
RRC lease
09-28613

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Where it sits

This county

Clay CountyClayWichitaMontagueArcherClay County
Clay County · RRC district 09Open Clay County →
Oil in Jul 2026
14 bbl
Reporting to the state
since Jan 2020
Wells
7
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 fell 26% over the last 12 months

250 bbl in the 12 months through Jul 2026, against 336 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output fell 26% over the last 12 monthsMonthly oil production for JOINT, Aug 2023 to Jul 2026. Oil output fell 26% over the last 12 months. 250 bbl in the 12 months through Jul 2026, against 336 bbl in the 12 months before.Last 12 months: 250 bblbbl per month010203040Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 26% over the last 12 monthsMonthly oil production for JOINT, Aug 2023 to Jul 2026. Oil output fell 26% over the last 12 months. 250 bbl in the 12 months through Jul 2026, against 336 bbl in the 12 months before.Last 12 monthsbbl per month010203040Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 28613, district 09. 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.

Muirfield Exploration, Ltd. has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeMuirfield Exploration, Ltd., Jan 2020 to Jul 20262020202120222023202420252026Muirfield Exploration, Ltd.Jan 2020 to nowthrough Jul 2026
Operators of this lease over timeMuirfield Exploration, Ltd., Jan 2020 to Jul 20262020202120222023202420252026Muirfield Exploration, Ltd.Jan 2020 to nowthrough Jul 2026

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

Wells

7 wells on this lease

Every well the Railroad Commission links to oil lease 28613 in district 09. The API number is the state’s ID for a well.
Wells on JOINT
API numberWell no.Status
42-077-345593Active
42-077-345602Active
42-077-345611Active
42-077-345784Active
42-077-346126Active
42-077-3471910Active
42-077-3472011Active

SourceTexas Railroad Commission Wellbore Query, district 09, lease 28613.

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

    Ptt Premier Trading and Tran LLC gathers it.

    100% of it, on the list since Nov 1, 2023

Companies that used to be listed: Gulfmark Energy, Inc. (gathers it, until Nov 1, 2023).

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

240 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
72 not plugged
Horizontal
0
First completion
Jun 10, 1993
Latest permit
Mar 21, 1997

The wells on this lease state different acreage

The permits state between 200 and 240 acres. Use the acres from your own division order for the well you are paid on.

7 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 Joint
API numberWell no.Acreson the permit
42-077-345593240
42-077-3472011240
42-077-3471910240
42-077-346126240
42-077-345784240
42-077-345602240
42-077-345611200

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.

Check my decimal against the unit

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 JOINT 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 JOINT
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Muirfield Exploration,140$80.46$2.89
Jun 2026Muirfield Exploration,210$84.81$3.15
May 2026Muirfield Exploration,250$102.13$2.94
Apr 2026Muirfield Exploration,160$100.32$2.77
Mar 2026Muirfield Exploration,18102$91.38$3.04
Feb 2026Muirfield Exploration,150$64.51$3.62
Jan 2026Muirfield Exploration,200$60.04$7.72
Dec 2025Muirfield Exploration,260$57.97$4.26
Nov 2025Muirfield Exploration,200$60.06$3.79
Oct 2025Muirfield Exploration,25167$60.89$3.19
Sep 2025Muirfield Exploration,260$63.96$2.97
Aug 2025Muirfield Exploration,240$64.86$2.91
Jul 2025Muirfield Exploration,260$68.39$3.20
Jun 2025Muirfield Exploration,330$68.17$3.02
May 2025Muirfield Exploration,260$62.17$3.12
Apr 2025Muirfield Exploration,30183$63.54$3.42
Mar 2025Muirfield Exploration,320$68.24$4.12
Feb 2025Muirfield Exploration,220$71.53$4.19
Jan 2025Muirfield Exploration,270$75.74$4.13
Dec 2024Muirfield Exploration,290$70.12$3.01
Nov 2024Muirfield Exploration,190$69.95$2.12
Oct 2024Muirfield Exploration,370$71.99$2.20
Sep 2024Muirfield Exploration,23174$70.24$2.28
Aug 2024Muirfield Exploration,320$76.68$1.99
Jul 2024Muirfield Exploration,310$81.80$2.07
Jun 2024Muirfield Exploration,330$79.77$2.54
May 2024Muirfield Exploration,370$80.02$2.12
Apr 2024Muirfield Exploration,21177$85.35$1.60
Mar 2024Muirfield Exploration,310$81.28$1.49
Feb 2024Muirfield Exploration,310$77.25$1.72
Jan 2024Muirfield Exploration,350$74.15$3.18
Dec 2023Muirfield Exploration,310$71.90$2.52
Nov 2023Muirfield Exploration,340$77.69$2.71
Oct 2023Muirfield Exploration,31167$85.64$2.98
Sep 2023Muirfield Exploration,360$89.43$2.64
Aug 2023Muirfield Exploration,400$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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This lease belongs to

OperatorMuirfield Exploration, Ltd.FieldThornberry, South (Permian)CountyClay County

Muirfield Exploration, Ltd. in Clay County

All Muirfield Exploration, Ltd. leases →

Thornberry, South (Permian) field

  • ALLEN

    200 bbl last 12 months

All leases in this field →

Leases within 10 km

Found by the location of their wells.

Drilling permits within 10 km

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 28613, district 09, 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.