Texas oil lease
ProducingBOSS EAST I 40-45
Boss East I 40-45 is an oil lease in Upton County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
3 wells
- Operator
- Diamondback E&P LLC
- County
- Upton County
- RRC lease
- 7C-22742
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 782,291 mcf
- Oil in Jul 2026
- 17,704 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 57% 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
Flaring peaked at 6.4% of the gas in Nov 2024.
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
94% · 737,948 mcf
Lease fuel (1)
5.2% · 40,833 mcf
Flared (4)
0.4% · 3,510 mcf
0.4% of the gas flared in the last 12 months. One 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.
3 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-461-42812 | 4409H | Active |
| 42-461-42813 | 2809H | Active |
| 42-461-42814 | 2509H | 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).
487.36 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 |
|---|---|---|---|---|
| 42-461-42812 | 4409H | May 3, 2024 | Aug 8, 2024 | 487.36 |
| 42-461-42813 | 2809H | May 3, 2024 | Sep 13, 2024 | 487.36 |
| 42-461-42814 | 2509H | May 3, 2024 | Sep 5, 2024 | 487.36 |
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 | 17,704 | 17,672 | 75,059 | 69,753 | 902 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 19,321 | 19,403 | 83,104 | 77,053 | 1,046 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 19,365 | 19,463 | 54,325 | 50,146 | 686 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 19,534 | 19,404 | 46,077 | 42,665 | 537 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 15,597 | 15,562 | 43,835 | 40,624 | 339 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 13,618 | 13,598 | 41,478 | 38,526 | 0 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 19,753 | 19,795 | 62,822 | 59,554 | 0 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 22,867 | 22,854 | 72,162 | 68,485 | 0 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 24,487 | 24,521 | 69,268 | 65,778 | 0 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 27,941 | 27,912 | 65,006 | 61,221 | 0 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 30,578 | 30,563 | 79,628 | 77,110 | 0 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 33,141 | 33,154 | 89,527 | 87,033 | 0 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 37,017 | 36,977 | 91,024 | 88,842 | 2 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 41,112 | 41,095 | 92,172 | 89,690 | 140 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 37,089 | 37,236 | 88,129 | 85,824 | 31 | $62.17 | $3.12 |
| Apr 2025De IV | 48,821 | 48,738 | 84,533 | 84,533 | 0 | $63.54 | $3.42 |
| Mar 2025De IV | 56,213 | 56,150 | 82,330 | 82,330 | 0 | $68.24 | $4.12 |
| Feb 2025De IV | 30,244 | 30,093 | 25,590 | 25,590 | 0 | $71.53 | $4.19 |
| Jan 2025De IV | 41,425 | 41,532 | 35,296 | 35,296 | 0 | $75.74 | $4.13 |
| Dec 2024De IV | 46,388 | 46,347 | 45,374 | 45,373 | 1 | $70.12 | $3.01 |
| Nov 2024De IV | 43,876 | 43,766 | 45,751 | 42,801 | 2,950 | $69.95 | $2.12 |
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
Diamondback E&P LLC in Upton County
- KENNETT SHERROD 42-6 UNIT 1
293,153 bbl
- CARBON 12-13 UNIT 1
263,689 bbl
- NEFF WEST F 9-4
267,144 bbl
- CARBON 12-13 UNIT 2
163,932 bbl
- NEFF WEST D 9-4
198,684 bbl
- NEFF EAST L 9-45
220,748 bbl
- NEFF EAST I 9-45
198,670 bbl
- BOSS EAST M 40-45
165,433 bbl
- NEFF EAST H 9-45
190,175 bbl
- BOSS EAST K 40-45
156,467 bbl
Spraberry (Trend Area) field
- JUDY JULIBETH M
297,190 bbl
- EAGLE PASS C3
288,912 bbl
- NIGHT FLIGHT 4738 B
291,120 bbl
- BROOK O-18F
293,012 bbl
- WILDCAT EAST M 17-43
262,325 bbl
- ANTELOPE DRAW BB N01
232,209 bbl
- HELLCAT WEST E 1-12
254,658 bbl
- DORCUS CINDY KAY (SA) A
270,121 bbl
- NEFF WEST F 9-4
267,144 bbl
- EAGLE PASS C4
274,145 bbl
Leases within 10 km
- BOSS EAST K 40-45
156,467 bbl · 0 km
- POWELL "33-B"
60 bbl · 0.1 km
- BOSS EAST L 40-45
122,358 bbl · 0.2 km
- BOSS EAST M 40-45
165,433 bbl · 0.2 km
- BOSS EAST N 40-45
72,049 bbl · 0.4 km
- BOSS EAST O 40-45
101,296 bbl · 0.4 km
- POWELL 33C
60,169 bbl · 0.5 km
- POWELL "33"
3,876 bbl · 0.6 km
- POWELL 33G
5,825 bbl · 0.6 km
- POWELL 33X
20,743 bbl · 0.6 km
Drilling permits within 10 km
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BRAWNDO B18 #1604BH
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Permit 0917677 · Sep 17, 2026
BRAWNDO B16 #1602BH
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BRAWNDO B19 #1605BH
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Permit 0917678 · Sep 16, 2026