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Royalty Clerk

Texas oil lease · RRC district 04 · Lease 12880

Producing

FENNER

Fenner is an oil lease in Duval County, Texas, operated by Hilcorp Energy Company in the Loma Novia field. The Railroad Commission shows 2,557 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 3 wells

2,557bbl oil, last 12 months−52% vs prior year
Operator
Hilcorp Energy Company
County
Duval County
Field
Loma Novia
RRC lease
04-12880

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Where it sits

This county

Duval CountyDuvalJim WellsDuval County
Duval County · RRC district 04Open Duval County →
Oil in Jul 2026
351 bbl
Reporting to the state
since Jan 2020
Wells
3
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 52% over the last 12 months

2,557 bbl in the 12 months through Jul 2026, against 5,292 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output fell 52% over the last 12 monthsMonthly oil production for FENNER, Aug 2023 to Jul 2026. Oil output fell 52% over the last 12 months. 2,557 bbl in the 12 months through Jul 2026, against 5,292 bbl in the 12 months before.Last 12 months: 2,557 bblbbl per month0200400600800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 52% over the last 12 monthsMonthly oil production for FENNER, Aug 2023 to Jul 2026. Oil output fell 52% over the last 12 months. 2,557 bbl in the 12 months through Jul 2026, against 5,292 bbl in the 12 months before.Last 12 monthsbbl per month0200400600800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 12880, district 04. 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 2 times, 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 timeNewman Operating Company, Jan 2020 to Jun 2021; Jura Energy Operating LLC, Jul 2021 to Jun 2023; Hilcorp Energy Company, Jul 2023 to Jul 20262020202120222023202420252026Changed Jul 2021Changed Jul 2023Newman Operating CompanyJan 2020 to Jun 2021Jura Energy Operating LLCJul 2021 to Jun 2023Hilcorp Energy CompanyJul 2023 to now
Operators of this lease over timeNewman Operating Company, Jan 2020 to Jun 2021; Jura Energy Operating LLC, Jul 2021 to Jun 2023; Hilcorp Energy Company, Jul 2023 to Jul 20262020202120222023202420252026Changed Jul 2021Changed Jul 2023Newman Operating CompanyJan 2020 to Jun 2021Jura Energy Operating LLCJul 2021 to Jun 2023Hilcorp Energy CompanyJul 2023 to now

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

Wells

3 wells on this lease

Every well the Railroad Commission links to oil lease 12880 in district 04. The API number is the state’s ID for a well.
Wells on FENNER
API numberWell no.Status
42-131-383401Shut-in
42-131-384332Active
42-131-385303Active

SourceTexas Railroad Commission Wellbore Query, district 04, lease 12880.

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 Nov 1, 2000

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

40 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
33 not plugged
Horizontal
0
First completion
Nov 30, 1999
Latest permit
Nov 5, 2001
Wells and acres on the permits for Fenner
API numberWell no.Acreson the permit
42-131-38530340
42-131-38433240
42-131-38340140

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 FENNER 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 FENNER
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Hilcorp Energy351321$80.46$2.89
Jun 2026Hilcorp Energy252314$84.81$3.15
May 2026Hilcorp Energy341330$102.13$2.94
Apr 2026Hilcorp Energy322318$100.32$2.77
Mar 2026Hilcorp Energy270315$91.38$3.04
Feb 2026Hilcorp Energy176156$64.51$3.62
Jan 2026Hilcorp Energy700$60.04$7.72
Dec 2025Hilcorp Energy15146$57.97$4.26
Nov 2025Hilcorp Energy1380$60.06$3.79
Oct 2025Hilcorp Energy130159$60.89$3.19
Sep 2025Hilcorp Energy215320$63.96$2.97
Aug 2025Hilcorp Energy277162$64.86$2.91
Jul 2025Hilcorp Energy329481$68.39$3.20
Jun 2025Hilcorp Energy437317$68.17$3.02
May 2025Hilcorp Energy498641$62.17$3.12
Apr 2025Hilcorp Energy472465$63.54$3.42
Mar 2025Hilcorp Energy469479$68.24$4.12
Feb 2025Hilcorp Energy347319$71.53$4.19
Jan 2025Hilcorp Energy439318$75.74$4.13
Dec 2024Hilcorp Energy462474$70.12$3.01
Nov 2024Hilcorp Energy353485$69.95$2.12
Oct 2024Hilcorp Energy512480$71.99$2.20
Sep 2024Hilcorp Energy509489$70.24$2.28
Aug 2024Hilcorp Energy465480$76.68$1.99
Jul 2024Hilcorp Energy548641$81.80$2.07
Jun 2024Hilcorp Energy551320$79.77$2.54
May 2024Hilcorp Energy459476$80.02$2.12
Apr 2024Hilcorp Energy314479$85.35$1.60
Mar 2024Hilcorp Energy523517$81.28$1.49
Feb 2024Hilcorp Energy346326$77.25$1.72
Jan 2024Hilcorp Energy206169$74.15$3.18
Dec 2023Hilcorp Energy577641$71.90$2.52
Nov 2023Hilcorp Energy299325$77.69$2.71
Oct 2023Hilcorp Energy1150$85.64$2.98
Sep 2023Hilcorp Energy50159$89.43$2.64
Aug 2023Hilcorp Energy660$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

OperatorHilcorp Energy CompanyFieldLoma NoviaCountyDuval County

Hilcorp Energy Company in Duval County

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Loma Novia 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 12880, district 04, 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.