BIG BERTHA 0310 F
RRC oil lease 23547, district 09 · SPRABERRY (TREND AREA) field · Upton County · operated by FIREBIRD ENERGY II LLC
BIG BERTHA 0310 F at a glance
It has no production a year earlier to compare with. Over the last 12 months it reported 132,166 BBL of oil and 268,938 MCF of gas. In May 2026, the latest month not marked provisional, it reported 23,692 BBL and 63,861 MCF.
Royalty = (23,692 BBL × $97.31 WTI, Sep 2026, EIA + 63,861 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.
BIG BERTHA 0310 F production history in brief
By oil-equivalent volume over the last 12 months, BIG BERTHA 0310 F ranks #258 of 3,854 reporting leases in Upton County. It reported production in 5 of the 34 non-provisional months shown, starting in our window in Jan 2026. Its peak oil month in that window was Apr 2026 at 31,003 BBL. The lease is in the SPRABERRY (TREND AREA) field and is operated by FIREBIRD ENERGY II 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 Upton County. RRC production data has no lease coordinates, so we match by county.
| Issued | Operator | Lease | Well | Depth (ft) |
|---|---|---|---|---|
| 2026-10-14 | OVINTIV USA INC. | NEAL 35BB | 202HS | 11,734 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35A | 201HL | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35A | 206HD | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35B | 203HM | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35B | 207HF | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35B | 208HD | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35C | 204HL | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35C | 209HD | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35C | 210HG | 10,500 |
| 2026-10-09 | OVINTIV USA INC. | NEAL 35D | 205HM | 10,500 |
Monthly production
| Month | Oil (BBL) | Gas (MCF) |
|---|---|---|
| Jul 2026 (provisional) | 12,575 | 37,307 |
| Jun 2026 (provisional) | 18,471 | 54,700 |
| May 2026 | 23,692 | 63,861 |
| Apr 2026 | 31,003 | 63,334 |
| Mar 2026 | 23,145 | 30,659 |
| Feb 2026 | 21,428 | 18,026 |
| Jan 2026 | 1,852 | 1,051 |
Check these figures in the RRC Production Data Query (Specific Lease Query: district 09, lease 23547). 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.