MARY SWAIN HARRELL WEST
RRC gas well 299607, district 10 · PHANTOM (WOLFCAMP) field · Loving County · operated by CPX ENERGY OPERATING, LLC
MARY SWAIN HARRELL WEST at a glance
Gas output in Mar 2026–May 2026 was down 25% from the same three months a year earlier. Over the last 12 months it reported 176,110 BBL of oil and 1,456,109 MCF of gas. In May 2026, the latest month not marked provisional, it reported 11,203 BBL and 97,135 MCF.
Royalty = (11,203 BBL × $97.31 WTI, Sep 2026, EIA + 97,135 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.
MARY SWAIN HARRELL WEST production history in brief
By oil-equivalent volume over the last 12 months, MARY SWAIN HARRELL WEST ranks #92 of 3,738 reporting leases in Loving County. It reported production in 15 of the 34 non-provisional months shown, starting in our window in Mar 2025. Its peak gas month in that window was Apr 2025 at 224,571 MCF. The lease is in the PHANTOM (WOLFCAMP) field and is operated by CPX ENERGY 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 Loving County. RRC production data has no lease coordinates, so we match by county.
| Issued | Operator | Lease | Well | Depth (ft) |
|---|---|---|---|---|
| 2026-10-14 | VELOCITY WATER SOLUTIONS, LP | COWBELL SWD | 2 | 7,600 |
| 2026-10-13 | TRP OPERATING LLC | JONES | 1D | 9,000 |
| 2026-10-09 | CIRCLE-S ENERGY, LLC | LINDLEY 92 | 21H | 10,800 |
| 2026-10-09 | CIRCLE-S ENERGY, LLC | LINDLEY 92 | 32H | 10,800 |
| 2026-10-08 | WPX ENERGY PERMIAN, LLC | LIZZY STATE 23-26-28N | 312H | 14,000 |
| 2026-10-06 | WPX ENERGY PERMIAN, LLC | LIZZY STATE 23-26-28G | 451H | 14,000 |
| 2026-10-06 | WPX ENERGY PERMIAN, LLC | LIZZY STATE 23-26-28H | 452H | 14,000 |
| 2026-10-01 | PERMIAN RESOURCES OPERATING, LLC | EL CAMPEON UNIT 3 | 154H | 13,000 |
Monthly production
| Month | Oil (BBL) | Gas (MCF) |
|---|---|---|
| Jul 2026 (provisional) | 10,055 | 86,954 |
| Jun 2026 (provisional) | 10,408 | 90,438 |
| May 2026 | 11,203 | 97,135 |
| Apr 2026 | 11,523 | 98,970 |
| Mar 2026 | 12,253 | 105,536 |
| Feb 2026 | 11,956 | 101,074 |
| Jan 2026 | 14,252 | 118,687 |
| Dec 2025 | 15,536 | 129,024 |
| Nov 2025 | 14,136 | 120,604 |
| Oct 2025 | 19,862 | 164,637 |
| Sep 2025 | 20,673 | 160,801 |
| Aug 2025 | 24,253 | 182,249 |
| Jul 2025 | 28,446 | 208,662 |
| Jun 2025 | 22,852 | 159,730 |
| May 2025 | 23,993 | 168,081 |
| Apr 2025 | 31,741 | 224,571 |
| Mar 2025 | 1,234 | 10,811 |
Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 299607). 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.