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Data as of Jul 2026 production (Jun 2026–Jul 2026 provisional) · permits through Oct 14, 2026 · Source: Texas Railroad Commission · Methodology
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CORTES

RRC oil lease 20552, district 09 · SPRABERRY (TREND AREA) field · Irion County · operated by PERMIAN RESOURCES OPERATING, LLC

CORTES at a glance

Gas output in Mar 2026–May 2026 was down 60% from the same three months a year earlier. Over the last 12 months it reported 5,048 BBL of oil and 1,329,490 MCF of gas. In May 2026, the latest month not marked provisional, it reported 25 BBL and 25,390 MCF.

5KBBL oil, last 12 months▼ 57% vs prior 12
1.3MMCF gas, last 12 months▼ 28% vs prior 12
$77.33est. gross royalty for May 2026 at decimal
6new permits in Irion County this month

Royalty = (25 BBL × $97.31 WTI, Sep 2026, EIA + 25,390 MCF × $2.95 Henry Hub, Sep 2026, EIA) × your decimal. 0.001 is only a placeholder: enter the decimal from your check stub or division order. Gross, before taxes and deductions. Full estimator →

Oil + condensate (BBL per month, last 36 months)

01K2KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Gas (MCF per month, last 36 months)

0100K200K300KAug 23Feb 24Aug 24Feb 25Aug 25Feb 26

Jun 2026 and Jul 2026 are provisional (lighter bars) and usually rise as late reports arrive.

CORTES production history in brief

By oil-equivalent volume over the last 12 months, CORTES ranks #35 of 1,135 reporting leases in Irion County. It reported production in 34 of the 34 non-provisional months shown, starting in our window in Aug 2023. Its peak gas month in that window was Dec 2025 at 211,852 MCF. The lease is in the SPRABERRY (TREND AREA) field and is operated by PERMIAN RESOURCES OPERATING, LLC; production is reported for the lease as a whole, not per well.

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New permits nearby

New drilling permits issued this month in Irion County. RRC production data has no lease coordinates, so we match by county.

IssuedOperatorLeaseWellDepth (ft)
2026-10-07PIONEER NATURAL RES. USA, INC.ROCKER B 86A1H8,715
2026-10-07PIONEER NATURAL RES. USA, INC.ROCKER B 86B2H8,715
2026-10-07PIONEER NATURAL RES. USA, INC.ROCKER B 86C3H8,715
2026-10-07PIONEER NATURAL RES. USA, INC.ROCKER B 86D4H8,715
2026-10-07PIONEER NATURAL RES. USA, INC.ROCKER B 86E5H8,715
2026-10-07PIONEER NATURAL RES. USA, INC.ROCKER B 86F6H8,715

Monthly production

MonthOil (BBL)Gas (MCF)
Jul 2026 (provisional)343225,833
Jun 2026 (provisional)3261,476
May 20262525,390
Apr 20263914,948
Mar 2026447142,148
Feb 2026624117,224
Jan 2026877159,306
Dec 20251,027211,852
Nov 20258554,516
Oct 202513626,882
Sep 2025750147,300
Aug 2025663142,615
Jul 2025674154,483
Jun 2025707151,248
May 2025792147,714
Apr 2025991155,959
Mar 20251,150152,297
Feb 20251,140136,542
Jan 20251,395156,819
Dec 20241,289161,367
Nov 20241,000155,311
Oct 2024939165,210
Sep 2024880155,982
Aug 2024817165,336
Jul 2024758165,597
Jun 2024789156,988
May 2024781168,384
Apr 2024901164,605
Mar 20241,120174,498
Feb 20241,024161,754
Jan 20241,344157,799
Dec 20231,293168,493
Nov 20231,262162,323
Oct 20231,158185,448
Sep 20231,122191,674
Aug 20231,098190,467

Check these figures in the RRC Production Data Query (Specific Lease Query: district 09, lease 20552). Production is reported per lease, so a lease with several wells is not split by well.

Source: Texas Railroad Commission (data sets, Production Data Query). Data date: RRC Production Data Query dump, extract dated Sep 18, 2026; production through Jul 2026. Jun 2026 and Jul 2026 are provisional: operators file late and amend, so these months usually rise in later releases. Oil = crude oil + condensate (BBL); gas = gas-well gas + casinghead gas (MCF), as reported to RRC. Methodology.