SHIMANO 28-40 F
RRC oil lease 62388, district 10 · SPRABERRY (TREND AREA) field · Martin County · operated by DIAMONDBACK E&P LLC
SHIMANO 28-40 F at a glance
Oil output in Mar 2026–May 2026 was down 69% from the same three months a year earlier. Over the last 12 months it reported 141,986 BBL of oil and 468,118 MCF of gas. In May 2026, the latest month not marked provisional, it reported 8,944 BBL and 43,892 MCF.
Royalty = (8,944 BBL × $97.31 WTI, Sep 2026, EIA + 43,892 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.
SHIMANO 28-40 F production history in brief
By oil-equivalent volume over the last 12 months, SHIMANO 28-40 F ranks #431 of 5,078 reporting leases in Martin County. It reported production in 15 of the 34 non-provisional months shown, starting in our window in Mar 2025. Its peak oil month in that window was May 2025 at 36,485 BBL. The lease is in the SPRABERRY (TREND AREA) field and is operated by DIAMONDBACK E&P 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 Martin County. RRC production data has no lease coordinates, so we match by county.
| Issued | Operator | Lease | Well | Depth (ft) |
|---|---|---|---|---|
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 A | 1JM | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 A | 1LS | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 B | 1WB | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 C | 1DN | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 D | 1MS | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 E | 2LS | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 F | 2JM | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 F | 2WB | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 G | 2DN | 9,700 |
| 2026-10-14 | DIAMONDBACK E&P LLC | TATE 11-10 I | 3JM | 11,000 |
Monthly production
| Month | Oil (BBL) | Gas (MCF) |
|---|---|---|
| Jul 2026 (provisional) | 7,809 | 40,830 |
| Jun 2026 (provisional) | 8,399 | 30,280 |
| May 2026 | 8,944 | 43,892 |
| Apr 2026 | 8,635 | 39,188 |
| Mar 2026 | 9,862 | 52,728 |
| Feb 2026 | 9,558 | 37,688 |
| Jan 2026 | 11,810 | 46,477 |
| Dec 2025 | 11,902 | 30,464 |
| Nov 2025 | 13,545 | 30,203 |
| Oct 2025 | 15,231 | 30,399 |
| Sep 2025 | 17,007 | 35,667 |
| Aug 2025 | 19,284 | 50,302 |
| Jul 2025 | 26,577 | 45,357 |
| Jun 2025 | 33,999 | 51,424 |
| May 2025 | 36,485 | 49,890 |
| Apr 2025 | 34,982 | 48,884 |
| Mar 2025 | 15,816 | 12,842 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
| Nov 2024 | 0 | 0 |
Check these figures in the RRC Production Data Query (Specific Lease Query: district 10, lease 62388). 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.