SHENANDOAH 639-670 E
RRC oil lease 71226, district 11 · PLATANG (SAN ANDRES) field · Yoakum County · operated by RILEY PERMIAN OPERATING CO, LLC
SHENANDOAH 639-670 E at a glance
Oil output in Mar 2026–May 2026 was down 24% from the same three months a year earlier. Over the last 12 months it reported 113,071 BBL of oil and 424,426 MCF of gas. In May 2026, the latest month not marked provisional, it reported 8,723 BBL and 36,659 MCF.
Royalty = (8,723 BBL × $97.31 WTI, Sep 2026, EIA + 36,659 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)
Gas (MCF per month, last 36 months)
Jun 2026 and Jul 2026 are provisional (lighter bars) and usually rise as late reports arrive.
SHENANDOAH 639-670 E production history in brief
By oil-equivalent volume over the last 12 months, SHENANDOAH 639-670 E ranks #33 of 692 reporting leases in Yoakum County. It reported production in 34 of the 34 non-provisional months shown, starting in our window in Aug 2023. Its peak oil month in that window was Aug 2024 at 21,523 BBL. The lease is in the PLATANG (SAN ANDRES) field and is operated by RILEY PERMIAN OPERATING CO, 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 Yoakum County. RRC production data has no lease coordinates, so we match by county.
| Issued | Operator | Lease | Well | Depth (ft) |
|---|---|---|---|---|
| 2026-10-14 | RILEY PERMIAN OPERATING CO, LLC | CAT BALLOU 573-546 | 6XH | 9,000 |
| 2026-10-08 | RILEY PERMIAN OPERATING CO, LLC | CASSIDY 575 | 1W | 12,000 |
| 2026-10-07 | RILEY PERMIAN OPERATING CO, LLC | GUS MCCRAE 671 | 1W | 13,000 |
| 2026-10-06 | OCCIDENTAL PERMIAN LTD. | BENNETT RANCH UNIT | 4352 | 5,650 |
| 2026-10-06 | RILEY PERMIAN OPERATING CO, LLC | HUCKLEBERRY-MCMASTERS 730-771 | 4XH | 9,000 |
| 2026-10-02 | TEXLAND PETROLEUM, L.P. | FARQUAAD | 5 | 9,000 |
Monthly production
| Month | Oil (BBL) | Gas (MCF) |
|---|---|---|
| Jul 2026 (provisional) | 8,317 | 37,133 |
| Jun 2026 (provisional) | 8,280 | 35,463 |
| May 2026 | 8,723 | 36,659 |
| Apr 2026 | 10,021 | 36,837 |
| Mar 2026 | 10,265 | 38,495 |
| Feb 2026 | 7,765 | 32,438 |
| Jan 2026 | 9,802 | 37,065 |
| Dec 2025 | 9,693 | 34,496 |
| Nov 2025 | 9,029 | 32,003 |
| Oct 2025 | 10,029 | 34,411 |
| Sep 2025 | 10,192 | 35,154 |
| Aug 2025 | 10,955 | 34,272 |
| Jul 2025 | 10,943 | 34,174 |
| Jun 2025 | 10,488 | 32,981 |
| May 2025 | 13,096 | 35,827 |
| Apr 2025 | 13,040 | 34,072 |
| Mar 2025 | 12,092 | 35,123 |
| Feb 2025 | 14,083 | 37,705 |
| Jan 2025 | 15,738 | 39,259 |
| Dec 2024 | 17,441 | 40,768 |
| Nov 2024 | 18,468 | 38,231 |
| Oct 2024 | 17,987 | 31,396 |
| Sep 2024 | 19,352 | 29,129 |
| Aug 2024 | 21,523 | 32,679 |
| Jul 2024 | 17,639 | 18,425 |
| Jun 2024 | 4,010 | 11,292 |
| May 2024 | 4,452 | 14,094 |
| Apr 2024 | 5,879 | 17,226 |
| Mar 2024 | 6,207 | 18,091 |
| Feb 2024 | 6,164 | 17,051 |
| Jan 2024 | 6,497 | 18,338 |
| Dec 2023 | 6,929 | 18,800 |
| Nov 2023 | 7,015 | 18,126 |
| Oct 2023 | 7,353 | 18,626 |
| Sep 2023 | 7,248 | 18,088 |
| Aug 2023 | 7,743 | 18,645 |
Check these figures in the RRC Production Data Query (Specific Lease Query: district 11, lease 71226). 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.