Texas oil lease
Shut inNEFF EAST O 9-45
Neff East O 9-45 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-23341
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 146,027 mcf
- Oil in Jul 2026
- 0 bbl
Checks stopped on this lease?
- Sales
No sales reported for the last 7 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 100% since May 2025
- Oil (bars)
- Gas (line)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
89% of the gas went to a transmission line in the 5 months reported
Flaring peaked at 17.5% of the gas in Nov 2025.
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
89% · 134,326 mcf
Flared (4)
6.6% · 10,036 mcf
Lease fuel (1)
4.9% · 7,396 mcf
6.6% of the gas flared in the 5 months reported. 2 months above 3%.
3 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-461-42666 | 4215H | Active |
| 42-461-42667 | 4415H | Shut-in |
| 42-461-42671 | 2615H | Active |
SourceTexas Railroad Commission Wellbore Query.
883.55 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 |
|---|---|---|---|---|
| 42-461-42671 | 2615H | Jan 11, 2024 | Jul 17, 2025 | 883.55 |
| 42-461-42666 | 4215H | Jan 9, 2024 | Jan 8, 2025 | 883.55 |
| 42-461-42667 | 4415H | Jan 9, 2024 | Jan 9, 2025 | 883.55 |
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 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
15 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026 | 0 | 0 | 0 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026 | 0 | 0 | 0 | 0 | 0 | $84.81 | $3.15 |
| May 2026 | 0 | 0 | 0 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026 | 0 | 0 | 0 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026 | 0 | 0 | 0 | 0 | 0 | $91.38 | $3.04 |
| Feb 2026 | 0 | 0 | 0 | 0 | 0 | $64.51 | $3.62 |
| Jan 2026 | 0 | 0 | 0 | 0 | 0 | $60.04 | $7.72 |
| Dec 2025 | 0 | 66 | 0 | 0 | 0 | $57.97 | $4.26 |
| Nov 2025 | 31,639 | 31,687 | 41,914 | 33,132 | 7,316 | $60.06 | $3.79 |
| Oct 2025 | 54,749 | 54,726 | 46,204 | 43,443 | 607 | $60.89 | $3.19 |
| Sep 2025 | 49,007 | 48,982 | 32,947 | 29,287 | 2,111 | $63.96 | $2.97 |
| Aug 2025 | 39,067 | 39,045 | 24,962 | 23,201 | 0 | $64.86 | $2.91 |
| Jul 2025 | 8,129 | 8,085 | 5,731 | 5,263 | 2 | $68.39 | $3.20 |
| Jun 2025 | 0 | 0 | 0 | 0 | 0 | $68.17 | $3.02 |
| May 2025 | 0 | 0 | 0 | 0 | 0 | $62.17 | $3.12 |
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
- BOSS EAST M 40-45
165,433 bbl
- NEFF EAST H 9-45
190,175 bbl
- BOSS EAST K 40-45
156,467 bbl
- NEFF WEST A 9-4
150,883 bbl
- PENNYWISE B
150,520 bbl
- NEFF EAST G 9-45
156,411 bbl
- DAVY JONES D
127,528 bbl
- KENNETT 29-41
97,927 bbl
- DAVY JONES J
129,299 bbl
- BOSS EAST L 40-45
122,358 bbl
Spraberry (Trend Area) field
- BROOK N-13WB
169,759 bbl
- DRIVER WILDE 28-21L
164,828 bbl
- MILTON A 9-20
153,574 bbl
- BROOK O-3E
164,241 bbl
- BIG TREE WEST D
156,870 bbl
- JUDY JULIBETH L
170,435 bbl
- VERA 7
173,610 bbl
- DRIVER WILDE 28-21N
169,548 bbl
- MADISON 13A
165,581 bbl
- BROOK N-13EM
170,393 bbl
Leases within 10 km
- NEFF EAST N 9-45
766,395 bbl · 0 km
- POWELL "16"
0 bbl · 0.1 km
- NEFF EAST M 9-45
0 bbl · 0.2 km
- NEFF EAST H 9-45
190,175 bbl · 0.2 km
- NEFF EAST L 9-45
220,748 bbl · 0.2 km
- NEFF EAST K 9-45
544,797 bbl · 0.3 km
- ELAINE 10
77 bbl · 0.3 km
- MEINER "A"
736 bbl · 0.4 km
- NEFF EAST J 9-45
832,256 bbl · 0.5 km
- ARCO "85"
0 bbl · 0.5 km
Drilling permits within 10 km
BRAWNDO B15 #1601BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.3 km
Permit 0917674 · Sep 17, 2026
BRAWNDO B16 #1602BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.3 km
Permit 0917675 · Sep 17, 2026
BRAWNDO B17 #1603BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.3 km
Permit 0917676 · Sep 17, 2026
BRAWNDO B18 #1604BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.3 km
Permit 0917677 · Sep 17, 2026
BRAWNDO B19 #1605BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.3 km
Permit 0917678 · Sep 16, 2026