Texas oil lease
ProducingBRASS MONKEY STATE UNIT
Brass Monkey State Unit is an oil lease in Reeves County, Texas, operated by U.S. Energy Development Corp in the Phantom (Wolfcamp) field.
8 wells
- Operator
- U.S. Energy Development Corp
- County
- Reeves County
- Field
- Phantom (Wolfcamp)
- RRC lease
- 08-49444
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 130,138 mcf
- Oil in Jul 2026
- 1,857 bbl
Production by month
Oil output held steady 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 Apr 2025 the lease's gas goes to a transmission line instead of a processing plant
- Processing plant (3)
- Transmission line (2)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
100% · 143,203 mcf
Flared (4)
0.1% · 180 mcf
0.1% of the gas flared in the last 12 months. No month above 3%.
Who has run this lease
The operator changed once, most recently in Apr 2025
- U.S. Energy Development Corp Apr 2025 to now
- Cog Operating LLC Jan 2020 to Mar 2025
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
8 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-389-35712 | 801H | Active |
| 42-389-35713 | 851H | Active |
| 42-389-35714 | 804H | Active |
| 42-389-35715 | 805H | Active |
| 42-389-35716 | 874H | Active |
| 42-389-35717 | 853H | Active |
| 42-389-35719 | 852H | Active |
| 42-389-36165 | 802HR | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Brazos Midstream Operating, LLC | Oil | Gathers | 100 | Apr 1, 2025 | – |
| Brazos Midstream Operating, LLC | Casinghead gas | Buys | 100 | Apr 1, 2025 | – |
| Brazos Midstream Operating, LLC | Casinghead gas | Gathers | 100 | Apr 1, 2025 | – |
| Brazos Midstream Operating, LLC | Oil | Gathers | 90 | Sep 1, 2020 | Apr 1, 2025 |
| Enterprise Crude Oil LLC | Oil | Gathers | 5 | Sep 1, 2020 | Apr 1, 2025 |
| Oasis Transp & Marketing Corp. | Oil | Gathers | 5 | Sep 1, 2020 | Apr 1, 2025 |
| Brazos Midstream Operating, LLC | Casinghead gas | Gathers | 100 | Nov 26, 2017 | Sep 1, 2020 |
| Energy Transfer Company | Casinghead gas | Buys | 100 | Nov 26, 2017 | Sep 1, 2020 |
| Brazos Midstream Operating, LLC | Oil | Gathers | 100 | Nov 26, 2017 | Sep 1, 2020 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
652.69 acres on the newest permit
8 wells are listed on this lease
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-389-36165 | 802HR | Aug 3, 2017 | Dec 20, 2017 | 652.69 |
| 42-389-35712 | 801H | Apr 7, 2017 | Jan 3, 2018 | 652.69 |
| 42-389-35713 | 851H | Apr 7, 2017 | Jan 3, 2018 | 652.69 |
| 42-389-35714 | 804H | Apr 7, 2017 | Jan 3, 2018 | 652.69 |
| 42-389-35715 | 805H | Apr 7, 2017 | Nov 29, 2017 | 652.69 |
| 42-389-35716 | 874H | Apr 7, 2017 | Nov 26, 2017 | 652.69 |
| 42-389-35717 | 853H | Apr 7, 2017 | Dec 4, 2017 | 652.69 |
| 42-389-35719 | 852H | Apr 7, 2017 | Dec 20, 2017 | 652.69 |
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 2026U.S. Energy | 1,857 | 1,896 | 14,399 | 14,399 | 0 | $80.46 | $2.89 |
| Jun 2026U.S. Energy | 1,471 | 1,602 | 11,322 | 11,216 | 106 | $84.81 | $3.15 |
| May 2026U.S. Energy | 1,994 | 2,047 | 14,975 | 14,975 | 0 | $102.13 | $2.94 |
| Apr 2026U.S. Energy | 1,830 | 1,739 | 16,515 | 16,515 | 0 | $100.32 | $2.77 |
| Mar 2026U.S. Energy | 1,677 | 1,743 | 11,622 | 11,548 | 74 | $91.38 | $3.04 |
| Feb 2026U.S. Energy | 1,779 | 1,732 | 11,611 | 11,611 | 0 | $64.51 | $3.62 |
| Jan 2026U.S. Energy | 2,422 | 2,433 | 14,347 | 14,347 | 0 | $60.04 | $7.72 |
| Dec 2025U.S. Energy | 2,399 | 2,434 | 12,698 | 12,698 | 0 | $57.97 | $4.26 |
| Nov 2025U.S. Energy | 2,426 | 2,300 | 7,291 | 7,291 | 0 | $60.06 | $3.79 |
| Oct 2025U.S. Energy | 1,195 | 1,041 | 5,261 | 5,261 | 0 | $60.89 | $3.19 |
| Sep 2025U.S. Energy | 0 | 88 | 0 | 0 | 0 | $63.96 | $2.97 |
| Aug 2025U.S. Energy | 1,049 | 1,079 | 10,097 | 10,097 | 0 | $64.86 | $2.91 |
| Jul 2025U.S. Energy | 1,471 | 1,493 | 13,245 | 13,245 | 0 | $68.39 | $3.20 |
| Jun 2025U.S. Energy | 1,296 | 1,335 | 9,601 | 9,601 | 0 | $68.17 | $3.02 |
| May 2025U.S. Energy | 1,666 | 1,600 | 9,913 | 9,913 | 0 | $62.17 | $3.12 |
| Apr 2025U.S. Energy | 2,094 | 2,093 | 15,173 | 15,173 | 0 | $63.54 | $3.42 |
| Mar 2025Cog Operating | 1,914 | 1,885 | 14,347 | 14,347 | 0 | $68.24 | $4.12 |
| Feb 2025Cog Operating | 1,398 | 1,413 | 9,427 | 9,427 | 0 | $71.53 | $4.19 |
| Jan 2025Cog Operating | 1,684 | 1,679 | 10,813 | 10,813 | 0 | $75.74 | $4.13 |
| Dec 2024Cog Operating | 1,675 | 1,718 | 11,258 | 11,258 | 0 | $70.12 | $3.01 |
| Nov 2024Cog Operating | 1,877 | 1,905 | 11,696 | 11,696 | 0 | $69.95 | $2.12 |
| Oct 2024Cog Operating | 1,785 | 1,795 | 11,950 | 11,950 | 0 | $71.99 | $2.20 |
| Sep 2024Cog Operating | 1,842 | 1,879 | 11,665 | 11,665 | 0 | $70.24 | $2.28 |
| Aug 2024Cog Operating | 1,667 | 1,625 | 9,965 | 9,965 | 0 | $76.68 | $1.99 |
| Jul 2024Cog Operating | 1,894 | 1,943 | 11,541 | 11,541 | 0 | $81.80 | $2.07 |
| Jun 2024Cog Operating | 1,789 | 1,778 | 9,499 | 9,499 | 0 | $79.77 | $2.54 |
| May 2024Cog Operating | 2,126 | 2,102 | 9,719 | 9,719 | 0 | $80.02 | $2.12 |
| Apr 2024Cog Operating | 1,799 | 1,826 | 8,914 | 8,914 | 0 | $85.35 | $1.60 |
| Mar 2024Cog Operating | 2,346 | 2,348 | 11,029 | 11,029 | 0 | $81.28 | $1.49 |
| Feb 2024Cog Operating | 2,145 | 2,105 | 9,291 | 9,291 | 0 | $77.25 | $1.72 |
| Jan 2024Cog Operating | 2,288 | 2,266 | 9,606 | 9,606 | 0 | $74.15 | $3.18 |
| Dec 2023Cog Operating | 2,580 | 2,614 | 10,451 | 10,451 | 0 | $71.90 | $2.52 |
| Nov 2023Cog Operating | 2,072 | 2,105 | 9,063 | 9,063 | 0 | $77.69 | $2.71 |
| Oct 2023Cog Operating | 2,637 | 2,656 | 10,293 | 10,293 | 0 | $85.64 | $2.98 |
| Sep 2023Cog Operating | 2,621 | 2,578 | 10,197 | 10,197 | 0 | $89.43 | $2.64 |
| Aug 2023Cog Operating | 2,254 | 2,308 | 8,809 | 8,809 | 0 | $81.39 | $2.58 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
How to check your stub against this leaseDo your checks match this lease?
Nearby
This lease belongs to
U.S. Energy Development Corp in Reeves County
- JOHNNY RYALL UNIT
219,413 mcf
- TYCOON B
24,227 bbl
- RAIL SPLITTER
25,846 bbl
- TYCOON
21,426 bbl
- JOHNNY RYALL UNIT
143,832 mcf
- VETO
23,339 bbl
- GIPPER STATE EAST
21,953 bbl
- RAWHIDE STATE
20,757 bbl
- SANDHU STATE UNIT
258,170 mcf
- BRASS MONKEY STATE UNIT
167,220 mcf
Phantom (Wolfcamp) field
- CBR 20-17L-56-1
22,144 bbl
- J.A. HORD WEST B
20,038 bbl
- RIFLE 21801
142,093 mcf
- TELLURIDE A
17,686 bbl
- ASPEN 55-1-30 UNIT
114,155 mcf
- BLACKTOP 21601 1
218,990 mcf
- BULLET 75-18
23,055 bbl
- SHOCK-N-AWE UNIT 29-41
25,046 bbl
- ARROWHEAD A
21,196 bbl
- COTTONWOOD 55-1-14 UNIT
89,959 mcf
Leases within 10 km
- TYCOON C
36,275 bbl · 0.2 km
- THE SPHINX
111,359 bbl · 0.6 km
- SURE SHOT
75,597 bbl · 0.6 km
- TYCOON D
125,587 bbl · 1 km
- RENEGADE STATE A
26,655 bbl · 1.4 km
- RENEGADE STATE B
14,070 bbl · 1.4 km
- TYCOON E
73,061 bbl · 1.5 km
- TYCOON
21,426 bbl · 1.5 km
- BODACIOUS C7-19
3,734 bbl · 1.6 km
- RED ROCK 6-6
4,183 bbl · 1.7 km
Drilling permits within 10 km
CHEVY C #6H
new drill · horizontal · Permian Resources Operating, LLC · Reeves County · 7.7 km
Permit 0918293 · Sep 4, 2026
CHEVY D #4H
new drill · horizontal · Permian Resources Operating, LLC · Reeves County · 7.7 km
Permit 0918295 · Sep 4, 2026
CHEVY A #5H
new drill · horizontal · Permian Resources Operating, LLC · Reeves County · 7.7 km
Permit 0918291 · Sep 4, 2026
CHEVY B #3H
new drill · horizontal · Permian Resources Operating, LLC · Reeves County · 7.7 km
Permit 0918292 · Sep 4, 2026
W STATE E #5SH
new drill · horizontal · U.S. Energy Development Corp · Reeves County · 9.6 km
Permit 0914498 · Aug 28, 2026