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Royalty Clerk

Texas oil lease · RRC district 01 · Lease 10489

Producing

PURVIS

Purvis is an oil lease in Bexar County, Texas, operated by Calfas Oil, LLC in the Fairfield field. The Railroad Commission shows 337 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 9 wells

337bbl oil, last 12 months−31% vs prior year
Operator
Calfas Oil, LLC
County
Bexar County
Field
Fairfield
RRC lease
01-10489

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Where it sits

This county

Bexar CountyBexarWilsonComalMedinaKendallHaysGuadalupeBanderaBexar County
Bexar County · RRC district 01Open Bexar County →
Oil in Jul 2026
18 bbl
Reporting to the state
since Jan 2020
Wells
9
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 31% over the last 12 months

337 bbl in the 12 months through Jul 2026, against 485 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output fell 31% over the last 12 monthsMonthly oil production for PURVIS, Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 337 bbl in the 12 months through Jul 2026, against 485 bbl in the 12 months before.Last 12 months: 337 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 31% over the last 12 monthsMonthly oil production for PURVIS, Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 337 bbl in the 12 months through Jul 2026, against 485 bbl in the 12 months before.Last 12 monthsbbl per month020406080Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 10489, 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 Feb 2021

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 timeHardwick, Ross H. Oil Company, Jan 2020 to Jan 2021; Calfas Oil, LLC, Feb 2021 to Jul 20262020202120222023202420252026Changed Feb 2021Hardwick, Ross H. Oil CompanyJan 2020 to Jan 2021Calfas Oil, LLCFeb 2021 to now
Operators of this lease over timeHardwick, Ross H. Oil Company, Jan 2020 to Jan 2021; Calfas Oil, LLC, Feb 2021 to Jul 20262020202120222023202420252026Changed Feb 2021Hardwick, Ross H. Oil CompanyJan 2020 to Jan 2021Calfas Oil, LLCFeb 2021 to now

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

Wells

9 wells on this lease

Every well the Railroad Commission links to oil lease 10489 in district 01. The API number is the state’s ID for a well.
Wells on PURVIS
API numberWell no.Status
42-029-363001Active
42-029-363017Active
42-029-363026Active
42-029-363035Active
42-029-363044Active
42-029-363053Active
42-029-363062Active
42-029-363078Active
42-029-363089Active

SourceTexas Railroad Commission Wellbore Query, district 01, lease 10489.

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

    Ace Gathering, Inc., Shell Trading (Us) Company and Truth Resources, L.p. gather it.

    Ace Gathering, Inc. gathers it: 34% of it, on the list since Aug 1, 2022 · Shell Trading (Us) Company gathers it: 33% of it, on the list since Aug 1, 2022 · Truth Resources, L.p. gathers it: 33% of it, on the list since Aug 1, 2022

Companies that used to be listed: Ace Gathering, Inc. (gathers it, until Aug 1, 2022); Shell Trading (Us) Company (gathers it, until Aug 1, 2022); Truth Resources, L.p. (gathers it, until Jun 15, 2021); Enterprise Crude Oil LLC (gathers it, until Feb 1, 2021); Sunoco Ptnrs. Mktg.&terminals LP (gathers it, until Jun 1, 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

30 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
99 not plugged
Horizontal
0
First completion
Jul 9, 1985
Latest permit
Feb 22, 1985

9 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 Purvis
API numberWell no.Acreson the permit
42-029-36300130
42-029-36301730
42-029-36302630
42-029-36303530
42-029-36304430
42-029-36305330
42-029-36306230
42-029-36307830
42-029-36308930

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 PURVIS 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.

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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 PURVIS
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Calfas Oil,180$80.46$2.89
Jun 2026Calfas Oil,230$84.81$3.15
May 2026Calfas Oil,27152$102.13$2.94
Apr 2026Calfas Oil,270$100.32$2.77
Mar 2026Calfas Oil,150$91.38$3.04
Feb 2026Calfas Oil,430$64.51$3.62
Jan 2026Calfas Oil,45169$60.04$7.72
Dec 2025Calfas Oil,530$57.97$4.26
Nov 2025Calfas Oil,3622$60.06$3.79
Oct 2025Calfas Oil,130$60.89$3.19
Sep 2025Calfas Oil,190$63.96$2.97
Aug 2025Calfas Oil,180$64.86$2.91
Jul 2025Calfas Oil,420$68.39$3.20
Jun 2025Calfas Oil,37156$68.17$3.02
May 2025Calfas Oil,580$62.17$3.12
Apr 2025Calfas Oil,53154$63.54$3.42
Mar 2025Calfas Oil,380$68.24$4.12
Feb 2025Calfas Oil,380$71.53$4.19
Jan 2025Calfas Oil,300$75.74$4.13
Dec 2024Calfas Oil,180$70.12$3.01
Nov 2024Calfas Oil,54155$69.95$2.12
Oct 2024Calfas Oil,300$71.99$2.20
Sep 2024Calfas Oil,560$70.24$2.28
Aug 2024Calfas Oil,310$76.68$1.99
Jul 2024Calfas Oil,39159$81.80$2.07
Jun 2024Calfas Oil,280$79.77$2.54
May 2024Calfas Oil,5340$80.02$2.12
Apr 2024Calfas Oil,270$85.35$1.60
Mar 2024Calfas Oil,620$81.28$1.49
Feb 2024Calfas Oil,21154$77.25$1.72
Jan 2024Calfas Oil,230$74.15$3.18
Dec 2023Calfas Oil,450$71.90$2.52
Nov 2023Calfas Oil,350$77.69$2.71
Oct 2023Calfas Oil,350$85.64$2.98
Sep 2023Calfas Oil,37135$89.43$2.64
Aug 2023Calfas Oil,250$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 Oil, LLCFieldFairfieldCountyBexar County

Calfas Oil, LLC in Bexar County

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Fairfield 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 “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 10489, 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.