Texas oil lease
ProducingUL DENGAR 40-45 B
Ul Dengar 40-45 B is an oil lease in Andrews County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
1 well
- Operator
- Diamondback E&P LLC
- County
- Andrews County
- RRC lease
- 08-63856
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 55,502 mcf
- Oil in Jul 2026
- 5,559 bbl
Checks stopped on this lease?
- Buyer
Buyer changed: ONEOK MIDLAND MIDSTREAM, LLC replaced CORONADO MIDSTREAM LLC as the buyer of this lease's gas from oil wells on Apr 1, 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 85% since Feb 2025
- Oil (bars)
- Gas (line)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
98% of the gas went to a transmission line in the last 12 months
Flaring peaked at 60.8% of the gas in Feb 2025.
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
98% · 54,493 mcf
Flared (4)
1.2% · 648 mcf
Lease fuel (1)
0.7% · 361 mcf
1.2% of the gas flared in the last 12 months. 4 months above 3%.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-003-49023 | 2WA | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Oryx Midland Oil Gathering LLC | Oil | Gathers | 100 | Feb 25, 2025 | – |
| Oneok Midland Midstream, LLC | Casinghead gas | Buys | 100 | Apr 1, 2026 | – |
| Enlink Permian, LLC | Casinghead gas | Gathers | 100 | Apr 1, 2026 | – |
| Enlink Midstream Services, LLC | Casinghead gas | Gathers | 100 | Feb 25, 2025 | Apr 1, 2026 |
| Coronado Midstream LLC | Casinghead gas | Buys | 100 | Feb 25, 2025 | Apr 1, 2026 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
2,160 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 |
|---|---|---|---|---|
| 42-003-49023 | 2WA | Aug 12, 2024 | Feb 25, 2025 | 2,160 |
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 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
18 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026 | 5,559 | 5,580 | 3,047 | 2,969 | 65 | $80.46 | $2.89 |
| Jun 2026 | 5,400 | 5,369 | 3,463 | 3,360 | 83 | $84.81 | $3.15 |
| May 2026 | 6,420 | 6,440 | 4,026 | 3,972 | 14 | $102.13 | $2.94 |
| Apr 2026 | 7,298 | 7,297 | 4,218 | 4,134 | 52 | $100.32 | $2.77 |
| Mar 2026 | 7,692 | 7,689 | 4,758 | 4,672 | 53 | $91.38 | $3.04 |
| Feb 2026 | 7,522 | 7,522 | 4,126 | 4,086 | 12 | $64.51 | $3.62 |
| Jan 2026 | 9,433 | 9,428 | 5,142 | 5,030 | 77 | $60.04 | $7.72 |
| Dec 2025 | 10,427 | 10,428 | 5,475 | 5,403 | 37 | $57.97 | $4.26 |
| Nov 2025 | 9,401 | 9,396 | 4,598 | 4,551 | 18 | $60.06 | $3.79 |
| Oct 2025 | 8,502 | 8,508 | 5,629 | 5,509 | 85 | $60.89 | $3.19 |
| Sep 2025 | 8,223 | 8,216 | 6,078 | 6,044 | 0 | $63.96 | $2.97 |
| Aug 2025 | 8,081 | 8,110 | 4,942 | 4,763 | 152 | $64.86 | $2.91 |
| Jul 2025 | 10,512 | 10,485 | 6,730 | 6,677 | 19 | $68.39 | $3.20 |
| Jun 2025 | 11,806 | 11,829 | 9,185 | 8,915 | 219 | $68.17 | $3.02 |
| May 2025 | 18,481 | 18,513 | 10,287 | 10,101 | 130 | $62.17 | $3.12 |
| Apr 2025 | 36,608 | 37,033 | 17,514 | 16,561 | 863 | $63.54 | $3.42 |
| Mar 2025 | 69,358 | 69,257 | 33,237 | 22,399 | 10,449 | $68.24 | $4.12 |
| Feb 2025 | 7,324 | 6,927 | 4,793 | 1,818 | 2,914 | $71.53 | $4.19 |
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 Andrews County
- UL DENGAR 40-45 E
107,225 bbl
- UL DEDHAM 31-45 F
95,468 bbl
- MABEE WL 24-17 G
85,924 bbl
- UL DENGAR 40-45 A
97,732 bbl
- MABEE WL 24-17 D
82,881 bbl
- UL DENGAR 40-3 A
91,861 bbl
- UL DENGAR 40-45 F
88,232 bbl
- UL MONTY EAST 46-32 E
88,261 bbl
- UL DENGAR 40-45 D
80,386 bbl
- UL CARPENTER 7-20 UNIT
73,021 bbl
Spraberry (Trend Area) field
- TOMBSTONE 8-25 K
93,210 bbl
- BRUNSON 3154AP
85,290 bbl
- WILL O' WISP H 20-17
89,849 bbl
- DUKE
73,481 bbl
- BROOKS-CRESPI 30L
76,287 bbl
- MEEK-LINDSAY 6O
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- LELA 7-18 B
84,023 bbl
- BADFISH 31-43 A
82,276 bbl
- SPHINX UNIT 13-01
91,215 bbl
- KOONCE NORTH 39-34 UNIT 1
71,319 bbl
Leases within 10 km
- UL DENGAR 40-45 A
97,732 bbl · 0 km
- UL DENGAR 40-45 C
60,324 bbl · 0 km
- UL DENGAR 40-45 D
80,386 bbl · 0 km
- UL DENGAR 40-45 F
88,232 bbl · 0.2 km
- UL DENGAR 40-3 A
91,861 bbl · 0.2 km
- UL DENGAR 40-45 E
107,225 bbl · 0.2 km
- UNIVERSITY 6-40
0 bbl · 0.2 km
- UL BLK 6 DDU A
202,371 bbl · 0.4 km
- M.A.K.(SPRABERRY)UNIT
0 bbl · 0.7 km
- UL PAGE 41-44 A
27,328 bbl · 0.8 km
Drilling permits within 10 km
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