Skip to content
Royalty Clerk

Texas oil lease · RRC district 09 · Lease 26166

Shut in

MCWILLIAMS

McWilliams is an oil lease in Young County, Texas, operated by R.j. Riley Operating, LLC in the Young County Regular field.

Oil lease dossier · 2 wells

0bbl oil, last 12 months
Operator
R.j. Riley Operating, LLC
County
Young County
Field
Young County Regular
RRC lease
09-26166

Own a share of this lease?

Is your check right?

Upload a check stub or a phone photo. We compare every month with the state numbers on this page.

Check my statement

Free. No account needed. Two to four pages.

Where it sits

This county

Young CountyYoungBaylorJackPalo PintoClayThrockmortonArcherYoung County
Young County · RRC district 09Open Young County →
Oil in Jul 2026
0 bbl
Reporting to the state
since Jan 2020
Wells
2
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).

No production to chart

The state shows zero oil and zero gas for all 36 months we hold (Aug 2023 to Jul 2026). A lease that is shut in or newly reported looks like this. The ledger below lists each month.

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.

R.j. Riley Operating, LLC has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeR.j. Riley Operating, LLC, Jan 2020 to Jul 20262020202120222023202420252026R.j. Riley Operating, LLCJan 2020 to nowthrough Jul 2026
Operators of this lease over timeR.j. Riley Operating, LLC, Jan 2020 to Jul 20262020202120222023202420252026R.j. Riley Operating, LLCJan 2020 to nowthrough Jul 2026

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

Wells

2 wells on this lease

Every well the Railroad Commission links to oil lease 26166 in district 09. The API number is the state’s ID for a well.
Wells on MCWILLIAMS
API numberWell no.Status
42-503-391262Shut-in
42-503-420483Active

SourceTexas Railroad Commission Wellbore Query, district 09, lease 26166.

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 Oct 1, 2018

  • Gas from oil wells

    Targa Midstream Services LLC buys and gathers it.

    Targa Midstream Services LLC buys it: 100% of it, on the list since Oct 1, 2018 · Targa Midstream Services LLC gathers it: 100% of it, on the list since Oct 1, 2011

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

60 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
22 not plugged
Horizontal
0
First completion
Apr 9, 1986
Latest permit
Mar 1, 2013
Wells and acres on the permits for McWilliams
API numberWell no.Acreson the permit
42-503-42048360
42-503-39126260

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 MCWILLIAMS sold each month.

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

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 MCWILLIAMS
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026R.j. Riley00$80.46$2.89
Jun 2026R.j. Riley00$84.81$3.15
May 2026R.j. Riley00$102.13$2.94
Apr 2026R.j. Riley00$100.32$2.77
Mar 2026R.j. Riley00$91.38$3.04
Feb 2026R.j. Riley00$64.51$3.62
Jan 2026R.j. Riley00$60.04$7.72
Dec 2025R.j. Riley00$57.97$4.26
Nov 2025R.j. Riley00$60.06$3.79
Oct 2025R.j. Riley00$60.89$3.19
Sep 2025R.j. Riley00$63.96$2.97
Aug 2025R.j. Riley00$64.86$2.91
Jul 2025R.j. Riley00$68.39$3.20
Jun 2025R.j. Riley00$68.17$3.02
May 2025R.j. Riley00$62.17$3.12
Apr 2025R.j. Riley00$63.54$3.42
Mar 2025R.j. Riley00$68.24$4.12
Feb 2025R.j. Riley00$71.53$4.19
Jan 2025R.j. Riley00$75.74$4.13
Dec 2024R.j. Riley00$70.12$3.01
Nov 2024R.j. Riley00$69.95$2.12
Oct 2024R.j. Riley00$71.99$2.20
Sep 2024R.j. Riley00$70.24$2.28
Aug 2024R.j. Riley00$76.68$1.99
Jul 2024R.j. Riley00$81.80$2.07
Jun 2024R.j. Riley00$79.77$2.54
May 2024R.j. Riley00$80.02$2.12
Apr 2024R.j. Riley00$85.35$1.60
Mar 2024R.j. Riley00$81.28$1.49
Feb 2024R.j. Riley00$77.25$1.72
Jan 2024R.j. Riley00$74.15$3.18
Dec 2023R.j. Riley00$71.90$2.52
Nov 2023R.j. Riley00$77.69$2.71
Oct 2023R.j. Riley00$85.64$2.98
Sep 2023R.j. Riley00$89.43$2.64
Aug 2023R.j. Riley00$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).

Check your statements

Do your checks match this lease?

Upload your statements for MCWILLIAMS. We compare volumes, prices, deductions and timing with the state record and give you the exact question to ask R.j. Riley Operating, LLC.

Check my statementTry a sample owner
  • A month that was never paid
  • Your share of the barrels and mcf
  • The price against WTI and Henry Hub
  • Fees taken on gas
  • Late payment interest

Around this lease

Walk the neighborhood

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

This lease belongs to

OperatorR.j. Riley Operating, LLCFieldYoung County RegularCountyYoung County

R.j. Riley Operating, LLC in Young County

All R.j. Riley Operating, LLC leases →

Young County Regular field

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 26166, 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.