Texas oil lease
ProducingWHITMIRE, W.A.
Whitmire, W.a. is an oil lease in McMullen County, Texas, operated by El Mesteno Energy LLC in the A.w.p. (Olmos) field.
2 wells
- Operator
- El Mesteno Energy LLC
- County
- McMullen County
- Field
- A.w.p. (Olmos)
- RRC lease
- 01-12190
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 6,037 mcf
- Oil in Jul 2026
- 0 bbl
Checks stopped on this lease?
- Operator
Operator changed: El Mesteno Energy LLC took over from First Rock, Inc. in Apr 2026.
- Sales
No sales reported for the last 2 months of state data (through Jul 2026).
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
Oil output fell 5% over the last 12 months
- Oil (bars)
- Gas (line)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
92% of the gas went to lease fuel in the last 12 months
Flaring peaked at 100.0% of the gas in Nov 2025.
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Lease fuel (1)
92% · 6,212 mcf
Processing plant (3)
4.6% · 312 mcf
Flared (4)
3.3% · 224 mcf
3.3% of the gas flared in the last 12 months. 3 months above 3%.
Who has run this lease
The operator changed 3 times, most recently in Apr 2026
- El Mesteno Energy LLC Apr 2026 to now
- First Rock, Inc. Jun 2021 to Mar 2026
- GTG Operating, LLC May 2020 to May 2021
- Clearly Petroleum, LLC Jan 2020 to Apr 2020
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
2 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-311-32713 | 2 | Active |
| 42-311-34494 | 1 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Eastex Crude Company, LLC | Oil | Gathers | 100 | Mar 1, 2023 | – |
| Upstream Energy Services | Casinghead gas | Buys | 100 | Apr 1, 2026 | – |
| Kinder Morgan Tejas Pipeline LLC | Casinghead gas | Gathers | 100 | Apr 1, 2026 | – |
| Energy Transfer Company | Casinghead gas | Gathers | 100 | Jun 1, 2021 | Mar 1, 2023 |
| Upstream Energy Services | Casinghead gas | Buys | 100 | Mar 1, 2020 | Mar 1, 2023 |
| Firebird Bulk Carriers, Inc. | Oil | Gathers | 100 | Jun 1, 2021 | Mar 1, 2023 |
| Energy Transfer Company | Casinghead gas | Gathers | 50 | Mar 1, 2020 | Jun 1, 2021 |
| Enterprise Products Operating LLC | Casinghead gas | Gathers | 50 | Mar 1, 2020 | Jun 1, 2021 |
| Gulfmark Energy, Inc. | Oil | Gathers | 100 | Mar 1, 2020 | Jun 1, 2021 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
80 acres on the newest permit
- Good to know
The wells on this lease state different acreage
The permits state between 80 and 836.5 acres. Use the acres from your own division order for the well you are paid on.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-311-34494 | 1 | Feb 3, 2011 | Sep 26, 2011 | 80 |
| 42-311-32713 | 2 | Oct 14, 1988 | Jan 19, 1989 | 836.50 |
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026El Mesteno | 0 | 0 | 0 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026El Mesteno | 76 | 0 | 335 | 0 | 0 | $84.81 | $3.15 |
| May 2026El Mesteno | 295 | 355 | 1,984 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026El Mesteno | 392 | 337 | 2,297 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026First Rock, | 40 | 163 | 160 | 28 | 0 | $91.38 | $3.04 |
| Feb 2026First Rock, | 57 | 0 | 446 | 59 | 0 | $64.51 | $3.62 |
| Jan 2026First Rock, | 0 | 0 | 26 | 0 | 26 | $60.04 | $7.72 |
| Dec 2025First Rock, | 0 | 0 | 193 | 18 | 175 | $57.97 | $4.26 |
| Nov 2025First Rock, | 0 | 0 | 23 | 0 | 23 | $60.06 | $3.79 |
| Oct 2025First Rock, | 0 | 0 | 96 | 16 | 0 | $60.89 | $3.19 |
| Sep 2025First Rock, | 0 | 0 | 11 | 2 | 0 | $63.96 | $2.97 |
| Aug 2025First Rock, | 162 | 177 | 466 | 77 | 0 | $64.86 | $2.91 |
| Jul 2025First Rock, | 113 | 0 | 711 | 112 | 0 | $68.39 | $3.20 |
| Jun 2025First Rock, | 158 | 166 | 2,556 | 1,164 | 0 | $68.17 | $3.02 |
| May 2025First Rock, | 142 | 177 | 571 | 70 | 0 | $62.17 | $3.12 |
| Apr 2025First Rock, | 183 | 345 | 934 | 63 | 0 | $63.54 | $3.42 |
| Mar 2025First Rock, | 93 | 0 | 259 | 30 | 0 | $68.24 | $4.12 |
| Feb 2025First Rock, | 0 | 0 | 0 | 0 | 0 | $71.53 | $4.19 |
| Jan 2025First Rock, | 0 | 0 | 0 | 0 | 0 | $75.74 | $4.13 |
| Dec 2024First Rock, | 0 | 0 | 0 | 0 | 0 | $70.12 | $3.01 |
| Nov 2024First Rock, | 77 | 0 | 417 | 51 | 0 | $69.95 | $2.12 |
| Oct 2024First Rock, | 262 | 345 | 1,236 | 119 | 0 | $71.99 | $2.20 |
| Sep 2024First Rock, | 40 | 0 | 272 | 40 | 0 | $70.24 | $2.28 |
| Aug 2024First Rock, | 8 | 180 | 18 | 3 | 0 | $76.68 | $1.99 |
| Jul 2024First Rock, | 25 | 0 | 207 | 30 | 0 | $81.80 | $2.07 |
| Jun 2024First Rock, | 148 | 0 | 945 | 101 | 0 | $79.77 | $2.54 |
| May 2024First Rock, | 163 | 173 | 890 | 130 | 0 | $80.02 | $2.12 |
| Apr 2024First Rock, | 72 | 0 | 171 | 36 | 0 | $85.35 | $1.60 |
| Mar 2024First Rock, | 0 | 168 | 585 | 109 | 0 | $81.28 | $1.49 |
| Feb 2024First Rock, | 55 | 0 | 257 | 51 | 0 | $77.25 | $1.72 |
| Jan 2024First Rock, | 82 | 0 | 730 | 131 | 0 | $74.15 | $3.18 |
| Dec 2023First Rock, | 44 | 0 | 529 | 103 | 0 | $71.90 | $2.52 |
| Nov 2023First Rock, | 44 | 189 | 543 | 117 | 0 | $77.69 | $2.71 |
| Oct 2023First Rock, | 70 | 0 | 658 | 152 | 0 | $85.64 | $2.98 |
| Sep 2023First Rock, | 93 | 179 | 715 | 162 | 0 | $89.43 | $2.64 |
| Aug 2023First Rock, | 122 | 0 | 755 | 146 | 0 | $81.39 | $2.58 |
Flared above 3%
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.
How to check your stub against this lease Checks stopped on this lease? See the likely reasonsDo your checks match this lease?
Nearby
This lease belongs to
El Mesteno Energy LLC in McMullen County
- GENTRY
1,816 bbl
- GENTRY 'A'
917 bbl
A.w.p. (Olmos) field
- QUINTANILLA, LEO TRUSTEE
1,368 bbl
- STS 'D'
9,876 mcf
- MARSHALL, MORRIS
1,365 bbl
- NICHOLS AWP
1,338 bbl
- MOBIL WHEELER
1,056 bbl
- WHEELER, KAREN
1,057 bbl
- DICKINSON
1,261 bbl
- BRACKEN RANCH
23,032 mcf
- PALOMA-HORTON QUINTANILLA
1,193 bbl
- BRACKEN RANCH
19,213 mcf
Leases within 10 km
- LANGE E EFS
170 bbl · 0.4 km
- BILLINGS, A.
0 bbl · 0.4 km
- GENTRY 'A'
917 bbl · 0.5 km
- WHEELER, LEE A-2
1,572 bbl · 0.7 km
- WHEELER, LEE -B-
2,540 bbl · 0.8 km
- WHEELER, LEE
1,684 bbl · 0.8 km
- GENTRY
1,816 bbl · 0.9 km
- HARBER, V.F.
0 bbl · 0.9 km
- LANGE, E.
195 bbl · 1.6 km
- WR "K"
178 mcf · 1.6 km
Drilling permits within 10 km
CCW R #1H
new drill · horizontal · Gulftex Energy, LLC · McMullen County · 1.1 km
Permit 0913819 · May 15, 2026
CCW S #2H
new drill · horizontal · Gulftex Energy, LLC · McMullen County · 1.1 km
Permit 0913834 · May 15, 2026
CCW T #3H
new drill · horizontal · Gulftex Energy, LLC · McMullen County · 1.1 km
Permit 0913836 · May 15, 2026
HUBERT-JOHNSON #1H
new drill · horizontal · Mueller Exploration, Inc. · Live Oak County · 8.8 km
Permit 0910462 · Sep 19, 2025
GENTRY #1
new drill · Sandalwood Exploration, L.P. · McMullen County · 7.6 km
Permit 0909282 · Jul 16, 2025