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Royalty Clerk

Texas oil lease · RRC district 08 · Lease 37151

Producing

CULEBRA 35

Culebra 35 is an oil lease in Martin County, Texas, operated by Mule Kick Operating LLC in the Perriwinkle (Canyon) field. The Railroad Commission shows 3,631 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 1 well

3,631bbl oil, last 12 months−28% vs prior year
Operator
Mule Kick Operating LLC
County
Martin County
Field
Perriwinkle (Canyon)
RRC lease
08-37151

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County · RRC district 08Open Martin County →
Oil in Jul 2026
299 bbl
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 oil lease produced. Oil is in barrels (bbl). Gas is in thousand cubic feet (mcf).

Oil output fell 28% over the last 12 months

3,631 bbl in the 12 months through Jul 2026, against 5,029 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Last 12 months
Oil output fell 28% over the last 12 monthsMonthly oil production for CULEBRA 35, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 3,631 bbl in the 12 months through Jul 2026, against 5,029 bbl in the 12 months before.Last 12 months: 3,631 bblbbl per month02505007501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 28% over the last 12 monthsMonthly oil production for CULEBRA 35, Aug 2023 to Jul 2026. Oil output fell 28% over the last 12 months. 3,631 bbl in the 12 months through Jul 2026, against 5,029 bbl in the 12 months before.Last 12 monthsbbl per month02505007501,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 37151, district 08. 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 Jun 2025

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 timeLegacy Reserves Operating LP, Jan 2020 to Apr 2024; Hibernia Resources IV, LLC, May 2024 to May 2025; Mule Kick Operating LLC, Jun 2025 to Jul 20262020202120222023202420252026Changed May 2024Changed Jun 2025Legacy Reserves Operating LPJan 2020 to Apr 2024Hibernia Resources IV, LLCMay 2024 to May 2025Mule Kick Operating LLCJun 2025 to now
Operators of this lease over timeLegacy Reserves Operating LP, Jan 2020 to Apr 2024; Hibernia Resources IV, LLC, May 2024 to May 2025; Mule Kick Operating LLC, Jun 2025 to Jul 20262020202120222023202420252026Changed May 2024Changed Jun 2025Legacy Reserves Operating LPJan 2020 to Apr 2024Hibernia Resources IV, LLCMay 2024 to May 2025Mule Kick Operating LLCJun 2025 to now

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 oil lease 37151 in district 08. The API number is the state’s ID for a well.
Wells on CULEBRA 35
API numberWell no.Status
42-317-344081 SActive

SourceTexas Railroad Commission Wellbore Query, district 08, lease 37151.

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

    Dorado Oil Company gathers it.

    100% of it, on the list since Jun 1, 2018

  • Gas from oil wells

    Etc Gas Processing, LLC buys it; Energy Transfer Company gathers it.

    Etc Gas Processing, LLC buys it: 100% of it, on the list since Aug 1, 2024 · Energy Transfer Company gathers it: 100% of it, on the list since Aug 1, 2024

Companies that used to be listed: Wtg Gas Processing, LLC (gathers it, until Aug 1, 2024); Wtg Gas Processing, LLC (buys it, until Aug 1, 2024); Wtg Gas Processing, L.p. (gathers it, until May 15, 2024); Wtg Gas Processing, L.p. (buys it, until May 15, 2024).

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

87.50 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
Aug 6, 2003
Latest permit
Nov 2, 2005

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 Culebra 35
API numberWell no.Acreson the permit
42-317-34408187.50
42-317-344081 S87.50

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 CULEBRA 35 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 CULEBRA 35
MonthOil producedbblOil soldbblWTI$ per bblHenry Hub$ per MMBtu
Jul 2026Mule Kick299330$80.46$2.89
Jun 2026Mule Kick285361$84.81$3.15
May 2026Mule Kick295180$102.13$2.94
Apr 2026Mule Kick312373$100.32$2.77
Mar 2026Mule Kick323367$91.38$3.04
Feb 2026Mule Kick289361$64.51$3.62
Jan 2026Mule Kick275182$60.04$7.72
Dec 2025Mule Kick305363$57.97$4.26
Nov 2025Mule Kick281168$60.06$3.79
Oct 2025Mule Kick309374$60.89$3.19
Sep 2025Mule Kick351348$63.96$2.97
Aug 2025Mule Kick307180$64.86$2.91
Jul 2025Mule Kick302311$68.39$3.20
Jun 2025Mule Kick301295$68.17$3.02
May 2025Hibernia Resources494527$62.17$3.12
Apr 2025Hibernia Resources330$63.54$3.42
Mar 2025Hibernia Resources461505$68.24$4.12
Feb 2025Hibernia Resources317301$71.53$4.19
Jan 2025Hibernia Resources554675$75.74$4.13
Dec 2024Hibernia Resources512545$70.12$3.01
Nov 2024Hibernia Resources457377$69.95$2.12
Oct 2024Hibernia Resources490548$71.99$2.20
Sep 2024Hibernia Resources482546$70.24$2.28
Aug 2024Hibernia Resources626524$76.68$1.99
Jul 2024Hibernia Resources889676$81.80$2.07
Jun 2024Hibernia Resources00$79.77$2.54
May 2024Hibernia Resources0193$80.02$2.12
Apr 2024Legacy Reserves00$85.35$1.60
Mar 2024Legacy Reserves00$81.28$1.49
Feb 2024Legacy Reserves00$77.25$1.72
Jan 2024Legacy Reserves00$74.15$3.18
Dec 2023Legacy Reserves00$71.90$2.52
Nov 2023Legacy Reserves00$77.69$2.71
Oct 2023Legacy Reserves00$85.64$2.98
Sep 2023Legacy Reserves00$89.43$2.64
Aug 2023Legacy Reserves00$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

OperatorMule Kick Operating LLCFieldPerriwinkle (Canyon)CountyMartin County

Mule Kick Operating LLC in Martin County

All Mule Kick Operating LLC leases →

Perriwinkle (Canyon) field

All leases in this field →

Leases within 10 km

Found by the location of their wells.

  • SLIDER D

    47,335 bbl last 12 months · 0.5 km away

  • MADADOR A

    92,467 bbl last 12 months · 0.5 km away

  • MADADOR B

    88,287 bbl last 12 months · 0.5 km away

  • HURT 35

    831 bbl last 12 months · 0.6 km away

  • BLAGRAVE "35"

    13,337 bbl last 12 months · 0.6 km away

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 37151, district 08, 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.