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Texas oil lease · RRC district 01 · Lease 17031

Producing

LASSETER & EPPRIGHT UNIT B

Lasseter & Eppright Unit B is an oil lease in Dimmit County, Texas, operated by Rosetta Resources Operating LP in the Briscoe Ranch (Eagleford) field. The Railroad Commission shows 8,466 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 4 wells

8,466bbl oil, last 12 months−22% vs prior year
RRC lease
01-17031

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Where it sits

This county

Dimmit CountyDimmitLA SalleZavalaFrioMaverickDimmit County
Dimmit County · RRC district 01Open Dimmit County →
Gas, last 12 months
51,176 mcf
Oil in Jul 2026
539 bbl
Reporting to the state
since Jan 2020
Wells
4

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 22% over the last 12 months

8,466 bbl in the 12 months through Jul 2026, against 10,788 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Gas (line, right axis)
  • Last 12 months
Oil output fell 22% over the last 12 monthsMonthly oil production and gas for LASSETER & EPPRIGHT UNIT B, Aug 2023 to Jul 2026. Oil output fell 22% over the last 12 months. 8,466 bbl in the 12 months through Jul 2026, against 10,788 bbl in the 12 months before.Last 12 months: 8,466 bblbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 22% over the last 12 monthsMonthly oil production and gas for LASSETER & EPPRIGHT UNIT B, Aug 2023 to Jul 2026. Oil output fell 22% over the last 12 months. 8,466 bbl in the 12 months through Jul 2026, against 10,788 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005002,0001,0004,0001,5006,0002,0008,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 17031, 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.

96% of the gas went to a processing plant in the last 12 months

Each bar is one month. Colors are the disposition codes the operator reported.

  • Processing plant (3)
  • Lease fuel (1)
96% of the gas went to a processing plant in the last 12 monthsShare of LASSETER & EPPRIGHT UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a processing plant in the last 12 months. Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
96% of the gas went to a processing plant in the last 12 monthsShare of LASSETER & EPPRIGHT UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a processing plant in the last 12 months. Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, gas disposition by code, lease 17031, district 01. 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.

Rosetta Resources Operating LP has reported this lease for the whole period

No change of operator in the months we hold.

Operators of this lease over timeRosetta Resources Operating LP, Jan 2020 to Jul 20262020202120222023202420252026Rosetta Resources Operating LPJan 2020 to nowthrough Jul 2026
Operators of this lease over timeRosetta Resources Operating LP, Jan 2020 to Jul 20262020202120222023202420252026Rosetta Resources Operating LPJan 2020 to nowthrough Jul 2026

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

Wells

4 wells on this lease

Every well the Railroad Commission links to oil lease 17031 in district 01. The API number is the state’s ID for a well.
Wells on LASSETER & EPPRIGHT UNIT B
API numberWell no.Status
42-127-351551Active
42-127-357642Active
42-127-357653Active
42-127-3580831Active

SourceTexas Railroad Commission Wellbore Query, district 01, lease 17031.

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 gathers it.

    100% of it, on the list since Jan 1, 2023

  • Gas from oil wells

    Nextera Energy Marketing, LLC buys it; Energy Transfer Company gathers it.

    Nextera Energy Marketing, LLC buys it: 100% of it, on the list since Jan 1, 2023 · Energy Transfer Company gathers it: 100% of it, on the list since Jan 1, 2023

Companies that used to be listed: Rosetta Resources Operating LP (gathers it, until Jan 1, 2023); Rosetta Resources Operating LP (buys it, until Jan 1, 2023); Eastex Crude Company (gathers it, until Jan 1, 2023); Enterprise Crude Oil LLC (gathers it, until Jan 1, 2023); Mltm L.p. (gathers it, until Jan 1, 2023); Plains Pipeline L.p. (gathers it, until Jan 1, 2023).

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.

Unit and wells

160 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
44 not plugged
Horizontal
4
First completion
Jul 1, 2013
Latest permit
Oct 14, 2013
Wells and acres on the permits for Lasseter & Eppright Unit B
API numberWell no.Acreson the permit
42-127-3580831160
42-127-357642163.40
42-127-357653160
42-127-351551160

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.

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 LASSETER & EPPRIGHT UNIT B 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. 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 LASSETER & EPPRIGHT UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3Flaredmcf, code 4WTI$ per bblHenry Hub$ per MMBtu
Jul 2026Rosetta Resources5395754,2234,1010$80.46$2.89
Jun 2026Rosetta Resources6225934,2394,2390$84.81$3.15
May 2026Rosetta Resources1161165,8245,2320$102.13$2.94
Apr 2026Rosetta Resources1151846,0076,0070$100.32$2.77
Mar 2026Rosetta Resources1331907,1597,0320$91.38$3.04
Feb 2026Rosetta Resources9299864,4813,8980$64.51$3.62
Jan 2026Rosetta Resources9529093,8593,8590$60.04$7.72
Dec 2025Rosetta Resources9319443,6193,6190$57.97$4.26
Nov 2025Rosetta Resources1,2331,0733,5603,5600$60.06$3.79
Oct 2025Rosetta Resources1,4101,4103,5403,5400$60.89$3.19
Sep 2025Rosetta Resources8568622,2632,2630$63.96$2.97
Aug 2025Rosetta Resources6306242,4022,0330$64.86$2.91
Jul 2025Rosetta Resources8048042,8822,8820$68.39$3.20
Jun 2025Rosetta Resources8218213,0473,0470$68.17$3.02
May 2025Rosetta Resources7797792,4672,4670$62.17$3.12
Apr 2025Rosetta Resources8338333,0423,0420$63.54$3.42
Mar 2025Rosetta Resources9229253,6093,6090$68.24$4.12
Feb 2025Rosetta Resources1,0601,0573,1193,1190$71.53$4.19
Jan 2025Rosetta Resources1,2151,2153,3063,2370$75.74$4.13
Dec 2024Rosetta Resources1,5151,5153,9733,9730$70.12$3.01
Nov 2024Rosetta Resources7657653,1873,0700$69.95$2.12
Oct 2024Rosetta Resources5375372,5612,5560$71.99$2.20
Sep 2024Rosetta Resources6756753,7483,5780$70.24$2.28
Aug 2024Rosetta Resources8628623,7603,6710$76.68$1.99
Jul 2024Rosetta Resources8798793,9823,7340$81.80$2.07
Jun 2024Rosetta Resources9369474,0723,7180$79.77$2.54
May 2024Rosetta Resources3463864,0213,6080$80.02$2.12
Apr 2024Rosetta Resources3394354,4063,9460$85.35$1.60
Mar 2024Rosetta Resources4475294,8614,5200$81.28$1.49
Feb 2024Rosetta Resources7959923,9183,5980$77.25$1.72
Jan 2024Rosetta Resources1,1241,0245,4464,8180$74.15$3.18
Dec 2023Rosetta Resources1,1611,0786,0525,4680$71.90$2.52
Nov 2023Rosetta Resources1,5381,3847,8046,1210$77.69$2.71
Oct 2023Rosetta Resources1,4731,4387,3115,5210$85.64$2.98
Sep 2023Rosetta Resources1,4501,4396,4424,5780$89.43$2.64
Aug 2023Rosetta Resources1,7881,9595,0023,7000$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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Upload your statements for LASSETER & EPPRIGHT UNIT B. We compare volumes, prices, deductions and timing with the state record and give you the exact question to ask Rosetta Resources Operating LP.

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  • Your share of the barrels and mcf
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  • Fees taken on gas
  • Late payment interest

Around this lease

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Rosetta Resources Operating LP in Dimmit County

All Rosetta Resources Operating LP leases →

Briscoe Ranch (Eagleford) field

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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 17031, 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.