Texas oil lease
ProducingGENTRY RANCH
Gentry Ranch is an oil lease in McMullen County, Texas, operated by First Rock, Inc. in the A.w.p. (Olmos) field.
6 wells
- Operator
- First Rock, Inc.
- County
- McMullen County
- Field
- A.w.p. (Olmos)
- RRC lease
- 01-18092
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 53,932 mcf
- Oil in Jul 2026
- 297 bbl
Production by month
Oil output fell 13% 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
Since Nov 2024 the lease's gas goes to lease fuel instead of a processing plant
Flaring peaked at 72.9% of the gas in Feb 2024.
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Lease fuel (1)
45% · 24,408 mcf
Processing plant (3)
39% · 20,969 mcf
Flared (4)
14% · 7,540 mcf
Transmission line (2)
1.9% · 1,015 mcf
14.0% of the gas flared in the last 12 months. 34 months above 3%.
Who has run this lease
The operator changed 2 times, most recently in Jun 2021
- First Rock, Inc. Jun 2021 to now
- 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.
6 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-311-36097 | 1 | Active |
| 42-311-36098 | 2 | Active |
| 42-311-36146 | 3 | Active |
| 42-311-36313 | 4 | Active |
| 42-311-36534 | 5 | Active |
| 42-311-36545 | 6 | Shut-in |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Eastex Crude Company, LLC | Oil | Gathers | 100 | Mar 1, 2023 | – |
| Kinder Morgan Tejas Pipeline LLC | 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).
8,751.53 acres on the newest permit
A pooling certificate was filed
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-311-36545 | 6 | Jul 14, 2015 | Sep 7, 2015 | 8,751.53 |
| 42-311-36534 | 5 | Jul 6, 2015 | Aug 28, 2015 | 8,431.53 |
| 42-311-36313 | 4 | Oct 28, 2014 | Jul 19, 2015 | 8,751.53 |
| 42-311-36146 | 3 | Jul 24, 2014 | Sep 30, 2014 | 8,751.53 |
| 42-311-36097 | 1 | Jun 23, 2014 | Aug 26, 2014 | 8,751.53 |
| 42-311-36098 | 2 | Jun 23, 2014 | Nov 13, 2014 | 8,751.53 |
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 2026First Rock, | 297 | 353 | 3,497 | 1,012 | 1,052 | $80.46 | $2.89 |
| Jun 2026First Rock, | 17 | 177 | 3,118 | 693 | 931 | $84.81 | $3.15 |
| May 2026First Rock, | 581 | 345 | 2,593 | 818 | 0 | $102.13 | $2.94 |
| Apr 2026First Rock, | 310 | 178 | 2,042 | 3 | 571 | $100.32 | $2.77 |
| Mar 2026First Rock, | 320 | 352 | 4,007 | 1,329 | 670 | $91.38 | $3.04 |
| Feb 2026First Rock, | 163 | 173 | 1,258 | 15 | 703 | $64.51 | $3.62 |
| Jan 2026First Rock, | 206 | 180 | 4,878 | 2,388 | 1,026 | $60.04 | $7.72 |
| Dec 2025First Rock, | 416 | 349 | 4,473 | 958 | 462 | $57.97 | $4.26 |
| Nov 2025First Rock, | 273 | 514 | 4,226 | 1,298 | 661 | $60.06 | $3.79 |
| Oct 2025First Rock, | 330 | 166 | 14,106 | 11,315 | 337 | $60.89 | $3.19 |
| Sep 2025First Rock, | 95 | 176 | 4,649 | 703 | 489 | $63.96 | $2.97 |
| Aug 2025First Rock, | 579 | 332 | 5,085 | 1,452 | 638 | $64.86 | $2.91 |
| Jul 2025First Rock, | 156 | 332 | 6,566 | 1,084 | 873 | $68.39 | $3.20 |
| Jun 2025First Rock, | 172 | 491 | 4,305 | 1,507 | 844 | $68.17 | $3.02 |
| May 2025First Rock, | 595 | 333 | 4,126 | 114 | 1,303 | $62.17 | $3.12 |
| Apr 2025First Rock, | 356 | 180 | 4,550 | 484 | 1,419 | $63.54 | $3.42 |
| Mar 2025First Rock, | 276 | 350 | 5,411 | 200 | 882 | $68.24 | $4.12 |
| Feb 2025First Rock, | 199 | 520 | 5,121 | 247 | 616 | $71.53 | $4.19 |
| Jan 2025First Rock, | 200 | 180 | 6,088 | 1,773 | 1,145 | $75.74 | $4.13 |
| Dec 2024First Rock, | 589 | 353 | 5,745 | 1,359 | 633 | $70.12 | $3.01 |
| Nov 2024First Rock, | 163 | 178 | 6,385 | 1,777 | 1,427 | $69.95 | $2.12 |
| Oct 2024First Rock, | 494 | 706 | 5,755 | 2,471 | 904 | $71.99 | $2.20 |
| Sep 2024First Rock, | 772 | 493 | 5,240 | 1,277 | 775 | $70.24 | $2.28 |
| Aug 2024First Rock, | 140 | 180 | 6,178 | 1,648 | 1,099 | $76.68 | $1.99 |
| Jul 2024First Rock, | 334 | 518 | 4,529 | 1,221 | 994 | $81.80 | $2.07 |
| Jun 2024First Rock, | 263 | 166 | 2,538 | 54 | 1,069 | $79.77 | $2.54 |
| May 2024First Rock, | 51 | 173 | 2,657 | 213 | 371 | $80.02 | $2.12 |
| Apr 2024First Rock, | 221 | 178 | 2,658 | 277 | 596 | $85.35 | $1.60 |
| Mar 2024First Rock, | 441 | 361 | 3,353 | 936 | 702 | $81.28 | $1.49 |
| Feb 2024First Rock, | 226 | 178 | 2,433 | 425 | 1,774 | $77.25 | $1.72 |
| Jan 2024First Rock, | 264 | 332 | 4,100 | 889 | 559 | $74.15 | $3.18 |
| Dec 2023First Rock, | 306 | 340 | 3,628 | 1,130 | 726 | $71.90 | $2.52 |
| Nov 2023First Rock, | 422 | 176 | 4,431 | 805 | 753 | $77.69 | $2.71 |
| Oct 2023First Rock, | 220 | 356 | 3,991 | 452 | 1,147 | $85.64 | $2.98 |
| Sep 2023First Rock, | 268 | 172 | 3,571 | 943 | 510 | $89.43 | $2.64 |
| Aug 2023First Rock, | 288 | 513 | 3,439 | 274 | 491 | $81.39 | $2.58 |
Flared above 3%
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
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Nearby
This lease belongs to
First Rock, Inc. in McMullen County
No other producing leases from this operator in this county are in our data yet.
A.w.p. (Olmos) field
- BRACKEN RANCH
2,920 bbl
- QUINTANILLA OL
2,842 bbl
- STS 'A'
123,704 mcf
- LEE WHEELER -C-
6,145 bbl
- NICHOLS
5,579 bbl
- LIBERSAT, MAY
6,054 bbl
- STS 'A'
76,647 mcf
- STS AW C
3,469 bbl
- BRACKEN, R.
104,159 mcf
- WHITEHURST
46,922 mcf
Leases within 10 km
- CLAUNCH
232 bbl · 0.9 km
- GENTRY
0 mcf · 0.9 km
- GENTRY
41,297 mcf · 0.9 km
- GENTRY
0 mcf · 0.9 km
- GENTRY
0 mcf · 0.9 km
- CLAUNCH, B. C.
253 bbl · 1 km
- GENTRY
0 mcf · 1 km
- WOODWARD G.U.-RICK DAY 2 SA 5
1,261,003 mcf · 1.1 km
- WOODWARD G.U.-WOOD UNIT 2 SA 4
1,282,266 mcf · 1.1 km
- GENTRY
865,321 mcf · 1.3 km
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