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Royalty Clerk

Texas oil lease · RRC district 01 · Lease 11878

Producing

CHANEY, TOM FEE

Chaney, Tom Fee is an oil lease in Medina County, Texas, operated by Calfas Cattle & Oil, LLC in the Fairfield field. The Railroad Commission shows 448 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 7 wells

448bbl oil, last 12 months−18% vs prior year
Operator
Calfas Cattle & Oil, LLC
County
Medina County
Field
Fairfield
RRC lease
01-11878

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Where it sits

This county

Medina CountyMedinaUvaldeKendallRealBexarBanderaMedina County
Medina County · RRC district 01Open Medina County →
Oil in Jul 2026
12 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 18% over the last 12 months

448 bbl in the 12 months through Jul 2026, against 548 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production for CHANEY, TOM FEE, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 448 bbl in the 12 months through Jul 2026, against 548 bbl in the 12 months before.Last 12 months: 448 bblbbl per month0255075100125Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production for CHANEY, TOM FEE, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 448 bbl in the 12 months through Jul 2026, against 548 bbl in the 12 months before.Last 12 monthsbbl per month0255075100125Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 11878, 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.

The operator changed once, most recently in Jul 2023

If your statements skip or shrink around a change, ask the new operator's owner relations department whether the month is in suspense.

Operators of this lease over timeCivron Petroleum Res., LLC, Jan 2020 to Jun 2023; Calfas Cattle & Oil, LLC, Jul 2023 to Jul 20262020202120222023202420252026Changed Jul 2023Civron Petroleum Res., LLCJan 2020 to Jun 2023Calfas Cattle & Oil, LLCJul 2023 to now
Operators of this lease over timeCivron Petroleum Res., LLC, Jan 2020 to Jun 2023; Calfas Cattle & Oil, LLC, Jul 2023 to Jul 20262020202120222023202420252026Changed Jul 2023Civron Petroleum Res., LLCJan 2020 to Jun 2023Calfas Cattle & Oil, LLCJul 2023 to now

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 11878 in district 01. The API number is the state’s ID for a well.
Wells on CHANEY, TOM FEE
API numberWell no.Status
42-325-314081Active
42-325-335362Active
42-325-335373Active
42-325-335384Active
42-325-335445Active
42-325-342356Active
42-325-342417Active

SourceTexas Railroad Commission Wellbore Query, district 01, lease 11878.

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

    Shell Trading (Us) Company, Dorado Oil Company and Truth Resources, L.p. gather it.

    Shell Trading (Us) Company gathers it: 34% of it, on the list since Jul 10, 2023 · Dorado Oil Company gathers it: 33% of it, on the list since Jul 10, 2023 · Truth Resources, L.p. gathers it: 33% of it, on the list since Jul 10, 2023

Companies that used to be listed: Mv Purchasing, LLC (gathers it, until Jul 10, 2023); Firebird Bulk Carriers, Inc. (gathers it, until Oct 25, 2021); Shell Trading (Us) Company (gathers it, until Oct 25, 2021); Sunray Marketing, LLC (gathers it, until Sep 21, 2020).

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

71.64 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
77 not plugged
Horizontal
0
First completion
Jul 17, 1987
Latest permit
May 24, 2019

The wells on this lease state different acreage

The permits state between 71.64 and 428 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 Chaney, Tom Fee
API numberWell no.Acreson the permit
42-325-34241771.64
42-325-34235671.64
42-325-335445428
42-325-335384428
42-325-335373428
42-325-335362428
42-325-314081428

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 CHANEY, TOM FEE 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 CHANEY, TOM FEE
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Calfas Cattle12150$80.46$2.89
Jun 2026Calfas Cattle280$84.81$3.15
May 2026Calfas Cattle280$102.13$2.94
Apr 2026Calfas Cattle190$100.32$2.77
Mar 2026Calfas Cattle360$91.38$3.04
Feb 2026Calfas Cattle70156$64.51$3.62
Jan 2026Calfas Cattle140$60.04$7.72
Dec 2025Calfas Cattle1010$57.97$4.26
Nov 2025Calfas Cattle400$60.06$3.79
Oct 2025Calfas Cattle17155$60.89$3.19
Sep 2025Calfas Cattle410$63.96$2.97
Aug 2025Calfas Cattle420$64.86$2.91
Jul 2025Calfas Cattle60155$68.39$3.20
Jun 2025Calfas Cattle730$68.17$3.02
May 2025Calfas Cattle92153$62.17$3.12
Apr 2025Calfas Cattle370$63.54$3.42
Mar 2025Calfas Cattle20$68.24$4.12
Feb 2025Calfas Cattle40$71.53$4.19
Jan 2025Calfas Cattle480$75.74$4.13
Dec 2024Calfas Cattle50156$70.12$3.01
Nov 2024Calfas Cattle450$69.95$2.12
Oct 2024Calfas Cattle450$71.99$2.20
Sep 2024Calfas Cattle30155$70.24$2.28
Aug 2024Calfas Cattle620$76.68$1.99
Jul 2024Calfas Cattle62158$81.80$2.07
Jun 2024Calfas Cattle530$79.77$2.54
May 2024Calfas Cattle790$80.02$2.12
Apr 2024Calfas Cattle39154$85.35$1.60
Mar 2024Calfas Cattle40153$81.28$1.49
Feb 2024Calfas Cattle1070$77.25$1.72
Jan 2024Calfas Cattle1120$74.15$3.18
Dec 2023Calfas Cattle690$71.90$2.52
Nov 2023Calfas Cattle50$77.69$2.71
Oct 2023Calfas Cattle40$85.64$2.98
Sep 2023Calfas Cattle20$89.43$2.64
Aug 2023Calfas Cattle20$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

OperatorCalfas Cattle & Oil, LLCFieldFairfieldCountyMedina County

Calfas Cattle & Oil, LLC in Medina County

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Fairfield field

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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 11878, 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.

FAQ

Questions about CHANEY, TOM FEE

Who operates the CHANEY, TOM FEE lease?

The Railroad Commission lists Calfas Cattle & Oil, LLC (operator number 100709) as the operator of this lease in Medina County, Texas. The operator history on this page shows earlier operators and when the record changed.

How much has the CHANEY, TOM FEE lease produced?

The lease reported 448 bbl of oil in the last 12 months through Jul 2026. Monthly figures for 36 months are in the ledger on this page, taken from the Railroad Commission's production data.

Does this page show who owns the royalty?

No. Railroad Commission records show who operates a lease and what it reported, not who owns the minerals or receives royalty. Your division order and royalty stub name the lease and your decimal interest.

How do I check my royalty stub against this lease?

Multiply the lease's volume for a month by your decimal interest and compare it with the barrels and mcf on your stub for the same month. The two are seldom identical, since sales and reporting months can differ, but a large gap is worth a question to the operator.

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