Texas oil lease
ProducingBOSS EAST N 40-45
Boss East N 40-45 is an oil lease in Upton County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
2 wells
- Operator
- Diamondback E&P LLC
- County
- Upton County
- RRC lease
- 7C-22756
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 331,691 mcf
- Oil in Jul 2026
- 3,370 bbl
Checks stopped on this lease?
- Operator
Operator changed: Diamondback E&P LLC took over from De IV Operating, LLC in May 2025.
- P-5
The previous operator's P-5 registration is listed as inactive since Jan 29, 2026 (last P-5 filed Jan 7, 2025).
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 88% since Nov 2024
- Oil (bars)
- Gas (line)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
Since May 2025 the lease's gas goes to a transmission line instead of a processing plant
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
94% · 312,475 mcf
Lease fuel (1)
5.4% · 17,748 mcf
Flared (4)
0.4% · 1,468 mcf
0.4% 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 May 2025
- Diamondback E&P LLC May 2025 to now
- De IV Operating, LLC Nov 2024 to Apr 2025
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
2 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-461-42801 | 4214H | Active |
| 42-461-42802 | 2514H | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Medallion Operating Company, LLC | Oil | Gathers | 100 | Oct 1, 2024 |
| Targa Pl Mid-Cont Westtex LLC | Casinghead gas | Buys | 100 | Oct 1, 2024 |
| Targa Pl Mid-Cont Westtex LLC | Casinghead gas | Gathers | 100 | Oct 1, 2024 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
487.38 acres on the newest permit
- Worth asking
An allocation well is on this lease
A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-461-42801 | 4214H | May 7, 2024 | Aug 27, 2024 | 487.38 |
| 42-461-42802 | 2514H | May 7, 2024 | Aug 18, 2024 | 487.38 |
What Diamondback Energy, Inc. told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $96.82 | −$2.15 | $18.56 | SEC filing |
| Q1 2026 | $73.47 | $0.18 | $16.68 | SEC filing |
| Q4 2025 | $58.00 | $0.03 | $13.51 | SEC filing |
| Q3 2025 | $64.60 | $0.75 | $17.28 | SEC filing |
| Q2 2025 | $63.23 | $0.88 | $18.13 | SEC filing |
| Q1 2025 | $70.95 | $2.11 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
21 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026Diamondback E&P | 3,370 | 3,365 | 21,171 | 19,669 | 255 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 3,843 | 3,870 | 28,369 | 26,294 | 359 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 4,477 | 4,502 | 27,491 | 25,346 | 352 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 4,657 | 4,622 | 27,018 | 24,970 | 323 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 3,496 | 3,510 | 22,713 | 21,018 | 179 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 4,275 | 4,262 | 18,799 | 17,453 | 0 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 5,608 | 5,620 | 28,364 | 26,881 | 0 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 6,516 | 6,554 | 33,331 | 31,624 | 0 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 11,053 | 11,029 | 36,799 | 34,941 | 0 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 8,762 | 8,716 | 27,360 | 25,757 | 0 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 5,136 | 5,172 | 17,373 | 16,821 | 0 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 10,856 | 10,877 | 42,903 | 41,701 | 0 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 14,582 | 14,565 | 51,254 | 50,017 | 1 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 15,979 | 16,003 | 51,002 | 49,619 | 78 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 20,303 | 20,328 | 54,678 | 53,235 | 19 | $62.17 | $3.12 |
| Apr 2025De IV | 23,715 | 23,726 | 54,472 | 54,472 | 0 | $63.54 | $3.42 |
| Mar 2025De IV | 30,052 | 30,081 | 55,265 | 55,265 | 0 | $68.24 | $4.12 |
| Feb 2025De IV | 33,658 | 33,732 | 51,454 | 51,454 | 0 | $71.53 | $4.19 |
| Jan 2025De IV | 44,899 | 44,878 | 47,343 | 47,343 | 0 | $75.74 | $4.13 |
| Dec 2024De IV | 42,680 | 42,513 | 38,122 | 38,122 | 0 | $70.12 | $3.01 |
| Nov 2024De IV | 12,198 | 12,141 | 10,467 | 10,467 | 0 | $69.95 | $2.12 |
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
Diamondback E&P LLC in Upton County
- SKELETOR G
70,141 bbl
- KENNETT SHERROD 42-43 UNIT 2
74,880 bbl
- EL GUAPO J
81,630 bbl
- SKELETOR F
67,557 bbl
- LONGSHANKS D
80,243 bbl
- EL GUAPO I
71,520 bbl
- DAVY JONES H
70,426 bbl
- PENNYWISE C
69,666 bbl
- KENNETT SHERROD 37-48 UNIT 2
59,435 bbl
- DRAGO F
62,785 bbl
Spraberry (Trend Area) field
- UL KC WEST E 26-6
70,988 bbl
- BIG TREE WEST F
70,083 bbl
- UL LINDSEY DIXON A
78,084 bbl
- UNIVERSITY 23-26 D
82,289 bbl
- UNIVERSITY E2-30F
74,542 bbl
- JAIMASI 20
68,555 bbl
- KENDALL 23-11H
71,098 bbl
- DRIVER C W10C
79,914 bbl
- STUDLEY DN EAST MM 21-30
63,204 bbl
- DRIVER C W10A
76,430 bbl
Leases within 10 km
- BOSS EAST O 40-45
101,296 bbl · 0 km
- BOSS EAST M 40-45
165,433 bbl · 0 km
- BOSS EAST L 40-45
122,358 bbl · 0.1 km
- BOSS EAST K 40-45
156,467 bbl · 0.2 km
- POWELL "33-B"
60 bbl · 0.3 km
- BOSS EAST I 40-45
263,906 bbl · 0.4 km
- POWELL 33G
5,825 bbl · 0.4 km
- POWELL 33X
20,743 bbl · 0.4 km
- POWELL "34"
3,163 bbl · 0.5 km
- NEAL '39B'
8,353 bbl · 0.6 km
Drilling permits within 10 km
BRAWNDO B17 #1603BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917676 · Sep 17, 2026
BRAWNDO B15 #1601BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917674 · Sep 17, 2026
BRAWNDO B18 #1604BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917677 · Sep 17, 2026
BRAWNDO B16 #1602BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917675 · Sep 17, 2026
BRAWNDO B19 #1605BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917678 · Sep 16, 2026