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Royalty Clerk

Texas oil lease · RRC district 08 · Lease 37604

Producing

SHASHKA

Shashka is an oil lease in Ector County, Texas, operated by Hilcorp Energy Company in the Arbol de Nada (Devonian) field. The Railroad Commission shows 471 bbl of oil in the 12 months through Jul 2026.

Oil lease dossier · 1 well

471bbl oil, last 12 months+2% vs prior year
Operator
Hilcorp Energy Company
County
Ector County
Field
Arbol de Nada (Devonian)
RRC lease
08-37604

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Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County · RRC district 08Open Ector County →
Gas, last 12 months
4,493 mcf
Oil in Jul 2026
33 bbl
Reporting to the state
since Jan 2020
Wells
1

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 held steady over the last 12 months

471 bbl in the 12 months through Jul 2026, against 461 bbl in the 12 months before.

  • Oil (bars, left axis)
  • Gas (line, right axis)
  • Last 12 months
Oil output held steady over the last 12 monthsMonthly oil production and gas for SHASHKA, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 471 bbl in the 12 months through Jul 2026, against 461 bbl in the 12 months before.Last 12 months: 471 bblbbl per monthmcf per month00201,000402,000603,000804,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output held steady over the last 12 monthsMonthly oil production and gas for SHASHKA, Aug 2023 to Jul 2026. Oil output held steady over the last 12 months. 471 bbl in the 12 months through Jul 2026, against 461 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00201,000402,000603,000804,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, oil lease 37604, 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.

Over 99% of the gas went to a transmission line in the last 12 months

Flaring peaked at 66.6% of the gas in Dec 2024.

  • Transmission line (2)
  • Flared (4)
Over 99% of the gas went to a transmission line in the last 12 monthsShare of SHASHKA gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 66.6% of the gas in Dec 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 66.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a transmission line in the last 12 monthsShare of SHASHKA gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months. Flaring peaked at 66.6% of the gas in Dec 2024.Share of gas by disposition code0%50%100%Flared 66.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, gas disposition by code, lease 37604, district 08. Reported through Jul 2026.

Transmission line (2)

Sold straight into a pipeline without processing. Processing fees on your statement would be worth asking about.

Flared (4)

Burned off or vented, not sold. It pays no royalty. More than 3% in a month is worth watching.

Over the last 12 months, 0.4% of the gas was flared. 3 months went above 3%, which we mark in the ledger below.

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 May 2026

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 timeOXY USA WTP LP, Jan 2020 to Apr 2026; Hilcorp Energy Company, May 2026 to Jul 20262020202120222023202420252026Changed May 2026OXY USA WTP LPJan 2020 to Apr 2026Hilcorp Energy CompanyMay 2026 to now
Operators of this lease over timeOXY USA WTP LP, Jan 2020 to Apr 2026; Hilcorp Energy Company, May 2026 to Jul 20262020202120222023202420252026Changed May 2026OXY USA WTP LPJan 2020 to Apr 2026Hilcorp Energy CompanyMay 2026 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 37604 in district 08. The API number is the state’s ID for a well.
Wells on SHASHKA
API numberWell no.Status
42-135-388471Active

SourceTexas Railroad Commission Wellbore Query, district 08, lease 37604.

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

    Ngl Crude Assets and Mktg, LLC gathers it.

    100% of it, on the list since Jul 21, 2025

  • Gas from oil wells

    James Lake Midstream LLC buys and gathers it.

    James Lake Midstream LLC buys it: 100% of it, on the list since Aug 1, 2016 · James Lake Midstream LLC gathers it: 100% of it, on the list since Aug 1, 2016

Companies that used to be listed: Bridger Transportation, LLC (gathers it, until Jul 21, 2025); Ngl Crude Logistics, LLC (gathers it, until Jul 21, 2025).

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

80 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
11 not plugged
Horizontal
1
First completion
May 5, 2005
Latest permit
Dec 14, 2005
Wells and acres on the permits for Shashka
API numberWell no.Acreson the permit
42-135-38847180

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 SHASHKA 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 SHASHKA
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3Flaredmcf, code 4WTI$ per bblHenry Hub$ per MMBtu
Jul 2026Hilcorp Energy33374234230$80.46$2.89
Jun 2026Hilcorp Energy31303313310$84.81$3.15
May 2026Hilcorp Energy3229000$102.13$2.94
Apr 2026OXY USA32324354350$100.32$2.77
Mar 2026OXY USA35334334330$91.38$3.04
Feb 2026OXY USA33443783780$64.51$3.62
Jan 2026OXY USA52504534530$60.04$7.72
Dec 2025OXY USA62567687680$57.97$4.26
Nov 2025OXY USA44443793790$60.06$3.79
Oct 2025OXY USA44453103100$60.89$3.19
Sep 2025OXY USA32372772770$63.96$2.97
Aug 2025OXY USA413730629511$64.86$2.91
Jul 2025OXY USA26242412347$68.39$3.20
Jun 2025OXY USA28362332330$68.17$3.02
May 2025OXY USA63592792790$62.17$3.12
Apr 2025OXY USA50472782780$63.54$3.42
Mar 2025OXY USA49467747740$68.24$4.12
Feb 2025OXY USA32377347340$71.53$4.19
Jan 2025OXY USA39361,0941,05935$75.74$4.13
Dec 2024OXY USA34331,391465926$70.12$3.01
Nov 2024OXY USA27289469460$69.95$2.12
Oct 2024OXY USA36383523520$71.99$2.20
Sep 2024OXY USA42391,3421,3420$70.24$2.28
Aug 2024OXY USA35383,9753,9750$76.68$1.99
Jul 2024OXY USA41412,8362,8306$81.80$2.07
Jun 2024OXY USA36323,0653,0650$79.77$2.54
May 2024OXY USA18181,4481,4480$80.02$2.12
Apr 2024OXY USA27282,0912,0910$85.35$1.60
Mar 2024OXY USA28292,6562,6560$81.28$1.49
Feb 2024OXY USA27252,3412,3410$77.25$1.72
Jan 2024OXY USA32312,2102,2100$74.15$3.18
Dec 2023OXY USA34361,9601,9600$71.90$2.52
Nov 2023OXY USA40372,1982,1980$77.69$2.71
Oct 2023OXY USA15188568560$85.64$2.98
Sep 2023OXY USA26271,5521,5520$89.43$2.64
Aug 2023OXY USA38392,2292,2245$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

OperatorHilcorp Energy CompanyFieldArbol de Nada (Devonian)CountyEctor County

Hilcorp Energy Company in Ector County

All Hilcorp Energy Company leases →

Arbol de Nada (Devonian) field

All leases in this field →

Leases within 10 km

Found by the location of their wells.

  • FOIL

    299 bbl last 12 months · 0.4 km away

  • COLE RANCH

    664 bbl last 12 months · 0.4 km away

  • CUTLASS

    9,445 bbl last 12 months · 0.4 km away

  • ARCO "J"

    167 bbl last 12 months · 0.6 km away

  • FALCATTA

    7,287 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 37604, 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.