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Royalty Clerk

Texas oil lease · RRC district 7B · Lease 17799

No report in 6+ months

MULANEX

Mulanex is an oil lease in Coleman County, Texas, operated by Mission Energy Inc. in the Mulanex (Palo Pinto -A-) field. The Railroad Commission shows 32 bbl of oil in the 12 months through Jan 2026.

Oil lease dossier · 2 wells

32bbl oil, last 12 months−53% vs prior year
Operator
Mission Energy Inc.
County
Coleman County
Field
Mulanex (Palo Pinto -A-)
RRC lease
7B-17799

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Where it sits

This county

Coleman CountyColemanTaylorRunnelsBrownCallahanEastlandColeman County
Coleman County · RRC district 7BOpen Coleman County →
Gas, last 12 months
84 mcf
Oil in Jan 2026
3 bbl
Reporting to the state
since Jan 2020
Wells
2

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 53% over the last 12 months

32 bbl in the 12 months through Jan 2026, against 68 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Gas (line, right axis)
  • Last 12 months
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for MULANEX, Feb 2023 to Jan 2026. Oil output fell 53% over the last 12 months. 32 bbl in the 12 months through Jan 2026, against 68 bbl in the 12 months before.Last 12 months: 32 bblbbl per monthmcf per month00102502050030750401,000Apr 23JulOctJan 24AprJulOctJan 25AprJulOctJan 26
Oil output fell 53% over the last 12 monthsMonthly oil production and gas for MULANEX, Feb 2023 to Jan 2026. Oil output fell 53% over the last 12 months. 32 bbl in the 12 months through Jan 2026, against 68 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00102502050030750401,000Jul 23Jan 24JulJan 25JulJan 26

SourceTexas Railroad Commission Production Data Query, oil lease 17799, district 7B. 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.

Since May 2025 the lease's gas goes to lease fuel instead of a processing plant

Where gas goes decides how it is paid: processed gas can carry plant products and processing fees, gas sold straight to a pipeline usually does not.

  • Processing plant (3)
  • Lease fuel (1)
Since May 2025 the lease's gas goes to lease fuel instead of a processing plantShare of MULANEX gas by disposition code each month, Feb 2023 to Jan 2026. Since May 2025 the lease's gas goes to lease fuel instead of a processing plant. Where gas goes decides how it is paid: processed gas can carry plant products and processing fees, gas sold straight to a pipeline usually does not.Share of the lease’s gas by disposition code, per month0%50%100%May 2025: plant to fuelApr 23JulOctJan 24AprJulOctJan 25AprJulOctJan 26
Since May 2025 the lease's gas goes to lease fuel instead of a processing plantShare of MULANEX gas by disposition code each month, Feb 2023 to Jan 2026. Since May 2025 the lease's gas goes to lease fuel instead of a processing plant. Where gas goes decides how it is paid: processed gas can carry plant products and processing fees, gas sold straight to a pipeline usually does not.Share of gas by disposition code0%50%100%May 25: plant to fuelJul 23Jan 24JulJan 25JulJan 26

SourceTexas Railroad Commission Production Data Query, gas disposition by code, lease 17799, district 7B. Reported through Jul 2026.

Processing plant (3)

Sent to a gas plant that pulls out natural gas liquids. Your statement should show plant products, and may show processing fees.

Lease fuel (1)

Burned to run equipment on the lease. Not sold, so it pays no royalty. A few percent is normal.

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.

Mission Energy Inc. has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeMission Energy Inc., Jan 2020 to Jan 20262020202120222023202420252026Mission Energy Inc.Jan 2020 to nowthrough Jan 2026
Operators of this lease over timeMission Energy Inc., Jan 2020 to Jan 20262020202120222023202420252026Mission Energy Inc.Jan 2020 to nowthrough Jan 2026

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

Wells

2 wells on this lease

Every well the Railroad Commission links to oil lease 17799 in district 7B. The API number is the state’s ID for a well.
Wells on MULANEX
API numberWell no.Status
42-083-815891Shut-in
42-083-815902Shut-in

SourceTexas Railroad Commission Wellbore Query, district 7B, lease 17799.

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

    Energy Transfer Marketing & Term gathers it.

    100% of it, on the list since Dec 1, 2022

Companies that used to be listed: Sunoco Ptnrs. Mktg.&terminals LP (gathers it, until Dec 1, 2022).

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

133 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
Sep 30, 1981
Latest permit
Nov 16, 1981
Wells and acres on the permits for Mulanex
API numberWell no.Acreson the permit
42-083-815902133
42-083-815891133

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.

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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 MULANEX sold each month.

For example 0.00097656, or a fraction like 1/1024.

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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. 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 “Oil sold” volume times your decimal. Scroll sideways on a phone.
Monthly production, disposition and prices for MULANEX
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3Flaredmcf, code 4WTI$ per bblHenry Hub$ per MMBtu
Jan 2026Mission Energy30400$60.04$7.72
Dec 2025Mission Energy40300$57.97$4.26
Nov 2025Mission Energy30600$60.06$3.79
Oct 2025Mission Energy00000$60.89$3.19
Sep 2025Mission Energy40600$63.96$2.97
Aug 2025Mission Energy30500$64.86$2.91
Jul 2025Mission Energy20600$68.39$3.20
Jun 2025Mission Energy40700$68.17$3.02
May 2025Mission Energy30800$62.17$3.12
Apr 2025Mission Energy2012120$63.54$3.42
Mar 2025Mission Energy2015150$68.24$4.12
Feb 2025Mission Energy2012120$71.53$4.19
Jan 2025Mission Energy3013130$75.74$4.13
Dec 2024Mission Energy2016160$70.12$3.01
Nov 2024Mission Energy3015150$69.95$2.12
Oct 2024Mission Energy5016160$71.99$2.20
Sep 2024Mission Energy4015150$70.24$2.28
Aug 2024Mission Energy302982980$76.68$1.99
Jul 2024Mission Energy203783780$81.80$2.07
Jun 2024Mission Energy5643783780$79.77$2.54
May 2024Mission Energy3204124120$80.02$2.12
Apr 2024Mission Energy504234230$85.35$1.60
Mar 2024Mission Energy201091090$81.28$1.49
Feb 2024Mission Energy2093930$77.25$1.72
Jan 2024Mission Energy201551550$74.15$3.18
Dec 2023Mission Energy003063060$71.90$2.52
Nov 2023Mission Energy0045450$77.69$2.71
Oct 2023Mission Energy0043430$85.64$2.98
Sep 2023Mission Energy105535530$89.43$2.64
Aug 2023Mission Energy3606366360$81.39$2.58
Jul 2023Mission Energy1206176170$76.07$2.55
Jun 2023Mission Energy203413410$70.25$2.18
May 2023Mission Energy206176170$71.58$2.15
Apr 2023Mission Energy607627620$79.45$2.16
Mar 2023Mission Energy1408188180$73.28$2.31
Feb 2023Mission Energy1407157150$76.83$2.38

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

OperatorMission Energy Inc.FieldMulanex (Palo Pinto -A-)CountyColeman County

Mission Energy Inc. in Coleman County

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Mulanex (Palo Pinto -A-) field

No other producing leases in this field are in our data yet.

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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 Jan 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 17799, district 7B, 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.