Texas oil lease
ProducingNEFF WEST B 9-4
Neff West B 9-4 is an oil lease in Upton County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
1 well
- Operator
- Diamondback E&P LLC
- County
- Upton County
- RRC lease
- 7C-22813
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 497,668 mcf
- Oil in Jul 2026
- 3,252 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 84% since Dec 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 17.7% of the gas in Nov 2025.
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
89% · 444,957 mcf
Flared (4)
7.6% · 37,907 mcf
Lease fuel (1)
3.0% · 14,804 mcf
7.6% of the gas flared in the last 12 months. 11 months 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 Dec 2024 to Apr 2025
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-461-42647 | 4302H | Active |
SourceTexas Railroad Commission Wellbore Query.
646.48 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 |
|---|---|---|---|---|
| 42-461-42647 | 4302H | Jan 8, 2024 | Oct 3, 2024 | 646.48 |
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 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
20 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026Diamondback E&P | 3,252 | 3,260 | 51,112 | 49,220 | 1,175 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 4,835 | 4,839 | 37,719 | 32,746 | 4,468 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 5,821 | 5,820 | 41,848 | 38,243 | 2,991 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 5,876 | 5,873 | 42,425 | 38,941 | 2,865 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 4,852 | 4,844 | 40,074 | 34,748 | 4,672 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 4,548 | 4,554 | 47,007 | 43,711 | 2,261 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 8,790 | 8,793 | 46,427 | 40,790 | 4,071 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 9,039 | 9,029 | 44,844 | 36,633 | 6,588 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 6,399 | 6,400 | 32,169 | 25,351 | 5,680 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 6,575 | 6,576 | 32,482 | 30,509 | 434 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 8,041 | 8,044 | 42,023 | 37,339 | 2,702 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 10,637 | 10,680 | 39,538 | 36,726 | 0 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 11,212 | 11,274 | 29,233 | 26,786 | 12 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 14,390 | 14,345 | 35,955 | 31,349 | 1,712 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 13,717 | 13,706 | 66,068 | 63,779 | 222 | $62.17 | $3.12 |
| Apr 2025De IV | 20,251 | 20,264 | 65,602 | 65,575 | 27 | $63.54 | $3.42 |
| Mar 2025De IV | 27,392 | 27,455 | 70,829 | 69,587 | 1,242 | $68.24 | $4.12 |
| Feb 2025De IV | 28,335 | 28,306 | 47,383 | 41,238 | 6,145 | $71.53 | $4.19 |
| Jan 2025De IV | 42,900 | 43,000 | 44,611 | 44,312 | 299 | $75.74 | $4.13 |
| Dec 2024De IV | 14,232 | 14,018 | 14,146 | 14,012 | 134 | $70.12 | $3.01 |
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
- HANS GRUBER U2
97,454 bbl
- DAVY JONES G
77,575 bbl
- HUMPERDINCK B
80,390 bbl
- EL GUAPO F
77,666 bbl
- HANS GRUBER C
92,141 bbl
- DAVY JONES A
65,446 bbl
- 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
Spraberry (Trend Area) field
- EL GUAPO F
77,666 bbl
- DRIVER C E10D
95,601 bbl
- DRIVER C W10B
93,446 bbl
- STATE WOODERSON L 1223-14
69,750 bbl
- HERBERT 102C
77,675 bbl
- BIG BERTHA 0310 B
90,869 bbl
- BODINE B2 08
69,879 bbl
- HONEY SF WEST A 11-12
75,575 bbl
- ARIA 9
89,966 bbl
- BROOK O-3D
89,917 bbl
Leases within 10 km
- NEFF WEST A 9-4
150,883 bbl · 0 km
- NEFF WEST D 9-4
198,684 bbl · 0 km
- POWELL "N"
2,111 bbl · 0.1 km
- CRICKET TXL A1
154,530 bbl · 0.2 km
- CRICKET TXL A2
200,139 bbl · 0.2 km
- CRICKET TXL A3
191,617 bbl · 0.2 km
- CRICKET TXL A4
195,479 bbl · 0.2 km
- CRICKET A1
109,445 bbl · 0.2 km
- CRICKET A2
116,293 bbl · 0.2 km
- NEFF WEST E 9-4
78,403 bbl · 0.3 km
Drilling permits within 10 km
BRAWNDO B15 #1601BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917674 · Sep 17, 2026
BRAWNDO B16 #1602BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917675 · Sep 17, 2026
BRAWNDO B17 #1603BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917676 · Sep 17, 2026
BRAWNDO B18 #1604BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917677 · Sep 17, 2026
BRAWNDO B19 #1605BH
new drill · horizontal · Cog Operating LLC · Upton County · 3.2 km
Permit 0917678 · Sep 16, 2026