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Texas gas well · RRC district 06 · Lease 181266

Producing

WILLIAMSON UNIT

Williamson Unit is a gas well in Rusk County, Texas, operated by Highmark Energy Operating, LLC in the Oak Hill (Cotton Valley) field. The Railroad Commission shows 3,663 mcf of gas in the 12 months through Jul 2026.

Gas well dossier · 1 well

3,663mcf gas, last 12 months+19% vs prior year
RRC lease
06-181266

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Where it sits

This county

Rusk CountyRuskPanolaGreggUpshurShelbySmithHarrisonCherokeeRusk County
Rusk County · RRC district 06Open Rusk County →
Gas in Jul 2026
282 mcf
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 gas well produced. Oil is in barrels (bbl). Gas is in thousand cubic feet (mcf).

Gas output rose 19% over the last 12 months

3,663 mcf in the 12 months through Jul 2026, against 3,081 mcf in the 12 months before.

  • Gas (bars, left axis)
  • Last 12 months
Gas output rose 19% over the last 12 monthsMonthly gas production for WILLIAMSON UNIT, Aug 2023 to Jul 2026. Gas output rose 19% over the last 12 months. 3,663 mcf in the 12 months through Jul 2026, against 3,081 mcf in the 12 months before.Last 12 months: 3,663 mcfmcf per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 19% over the last 12 monthsMonthly gas production for WILLIAMSON UNIT, Aug 2023 to Jul 2026. Gas output rose 19% over the last 12 months. 3,663 mcf in the 12 months through Jul 2026, against 3,081 mcf in the 12 months before.Last 12 monthsmcf per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, gas well 181266, 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.

All of the gas went to a transmission line in the last 12 months

Each bar is one month. Colors are the disposition codes the operator reported.

All of the gas went to a transmission line in the last 12 monthsShare of WILLIAMSON UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months. Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the last 12 monthsShare of WILLIAMSON UNIT gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the last 12 months. Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, gas disposition by code, lease 181266, district 06. Reported through Jul 2026.

Transmission line (2)

Sold straight into a pipeline without processing. Processing fees on your statement would be worth asking about.

None of the gas was flared in the last 12 months.

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.

Highmark Energy Operating, LLC has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeHighmark Energy Operating, LLC, Jan 2020 to Jul 20262020202120222023202420252026Highmark Energy Operating, LLCJan 2020 to nowthrough Jul 2026
Operators of this lease over timeHighmark Energy Operating, LLC, Jan 2020 to Jul 20262020202120222023202420252026Highmark Energy Operating, LLCJan 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 gas well 181266 in district 06. The API number is the state’s ID for a well.
Wells on WILLIAMSON UNIT
API numberWell no.Status
42-401-330143Active

SourceTexas Railroad Commission Wellbore Query, district 06, lease 181266.

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.
  • Condensate

    Genesis Crude Oil, L.p. gathers it.

    100% of it, on the list since Nov 1, 2014

  • Gas from gas wells

    Kinder Morgan Tejas Pipeline LLC buys it; Midcoast Pipelines (E Tx) L.p. gathers it.

    Kinder Morgan Tejas Pipeline LLC buys it: 100% of it, on the list since Sep 1, 2007 · Midcoast Pipelines (E Tx) L.p. gathers it: 100% of it, on the list since Feb 1, 2019

Companies that used to be listed: Enbridge Pipelines (E. Tx) L.p. (gathers it, until Feb 1, 2019).

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.

Unit and wells

703.41 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 19, 2000
Latest permit
Jul 25, 2000

A pooling certificate was filed

Your tract may share its production with neighbours in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

Wells and acres on the permits for Williamson Unit
API numberWell no.Acreson the permit
42-401-330143703.41

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.

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 WILLIAMSON UNIT 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. Regional gas prices are often below Henry Hub.

Ledger

36 months, newest first

Compare these numbers with your statements. Your share of a month is the “Gas sold” volume times your decimal. Scroll sideways on a phone.
Monthly production, disposition and prices for WILLIAMSON UNIT
MonthGas producedmcfGas soldmcf, codes 2+3Flaredmcf, code 4WTI$ per bblHenry Hub$ per MMBtu
Jul 2026Highmark Energy2822820$80.46$2.89
Jun 2026Highmark Energy4244240$84.81$3.15
May 2026Highmark Energy3593590$102.13$2.94
Apr 2026Highmark Energy2742740$100.32$2.77
Mar 2026Highmark Energy85850$91.38$3.04
Feb 2026Highmark Energy2972970$64.51$3.62
Jan 2026Highmark Energy3123120$60.04$7.72
Dec 2025Highmark Energy3393390$57.97$4.26
Nov 2025Highmark Energy3513510$60.06$3.79
Oct 2025Highmark Energy2632630$60.89$3.19
Sep 2025Highmark Energy3473470$63.96$2.97
Aug 2025Highmark Energy3303300$64.86$2.91
Jul 2025Highmark Energy2392390$68.39$3.20
Jun 2025Highmark Energy2082080$68.17$3.02
May 2025Highmark Energy1951950$62.17$3.12
Apr 2025Highmark Energy1691690$63.54$3.42
Mar 2025Highmark Energy2532530$68.24$4.12
Feb 2025Highmark Energy1911910$71.53$4.19
Jan 2025Highmark Energy2702700$75.74$4.13
Dec 2024Highmark Energy3003000$70.12$3.01
Nov 2024Highmark Energy4054050$69.95$2.12
Oct 2024Highmark Energy2522520$71.99$2.20
Sep 2024Highmark Energy5995990$70.24$2.28
Aug 2024Highmark Energy000$76.68$1.99
Jul 2024Highmark Energy12120$81.80$2.07
Jun 2024Highmark Energy2082080$79.77$2.54
May 2024Highmark Energy1531530$80.02$2.12
Apr 2024Highmark Energy2162160$85.35$1.60
Mar 2024Highmark Energy2002000$81.28$1.49
Feb 2024Highmark Energy2162160$77.25$1.72
Jan 2024Highmark Energy1851850$74.15$3.18
Dec 2023Highmark Energy1801800$71.90$2.52
Nov 2023Highmark Energy1201200$77.69$2.71
Oct 2023Highmark Energy2142140$85.64$2.98
Sep 2023Highmark Energy2182180$89.43$2.64
Aug 2023Highmark Energy2042040$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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Upload your statements for WILLIAMSON UNIT. We compare volumes, prices, deductions and timing with the state record and give you the exact question to ask Highmark Energy Operating, LLC.

  • A month that was never paid
  • Your share of the barrels and mcf
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  • Fees taken on gas
  • Late payment interest

Around this lease

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

Highmark Energy Operating, LLC in Rusk County

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Oak Hill (Cotton Valley) field

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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 “Gas sold” volume for the month the check covers and multiply it by your decimal. The answer should match the mcf 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, gas well 181266, 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.