UTL 4231B
RRC oil lease 64299, district 10 · PHANTOM (WOLFCAMP) field · Winkler County · operated by CONTINENTAL RESOURCES, INC.
UTL 4231B at a glance
It has no production a year earlier to compare with. Over the last 12 months it reported 149,247 BBL of oil and 178,253 MCF of gas. In May 2026, the latest month not marked provisional, it reported 7,400 BBL and 8,482 MCF.
Royalty = (7,400 BBL × $97.31 WTI, Sep 2026, EIA + 8,482 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.
UTL 4231B production history in brief
By oil-equivalent volume over the last 12 months, UTL 4231B ranks #62 of 1,663 reporting leases in Winkler County. It reported production in 11 of the 34 non-provisional months shown, starting in our window in Jul 2025. Its peak oil month in that window was Aug 2025 at 29,746 BBL. The lease is in the PHANTOM (WOLFCAMP) field and is operated by CONTINENTAL RESOURCES, INC.; 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 Winkler County. RRC production data has no lease coordinates, so we match by county.
| Issued | Operator | Lease | Well | Depth (ft) |
|---|---|---|---|---|
| 2026-10-07 | IRON ORCHARD OPERATING LLC | UL WILDEBEEST 11 A | 502HU | 11,500 |
| 2026-10-07 | IRON ORCHARD OPERATING LLC | UL WILDEBEEST 11 B | 401HU | 11,500 |
| 2026-10-07 | IRON ORCHARD OPERATING LLC | UL WILDEBEEST 11 C | 501HU | 11,500 |
| 2026-10-07 | IRON ORCHARD OPERATING LLC | UL WILDEBEEST 11 D | 301HU | 11,500 |
| 2026-10-05 | TRITON MIDSTREAM OPERATING, LLC | MEGALODON | 1D | 7,700 |
Monthly production
| Month | Oil (BBL) | Gas (MCF) |
|---|---|---|
| Jul 2026 (provisional) | 6,616 | 8,451 |
| Jun 2026 (provisional) | 7,066 | 7,820 |
| May 2026 | 7,400 | 8,482 |
| Apr 2026 | 7,568 | 9,312 |
| Mar 2026 | 8,401 | 10,468 |
| Feb 2026 | 8,455 | 10,468 |
| Jan 2026 | 10,308 | 12,140 |
| Dec 2025 | 12,232 | 14,609 |
| Nov 2025 | 13,903 | 17,396 |
| Oct 2025 | 17,715 | 21,458 |
| Sep 2025 | 19,837 | 23,109 |
| Aug 2025 | 29,746 | 34,540 |
| Jul 2025 | 9,733 | 10,906 |
Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 64299). 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.