Texas oil lease
ProducingUL COTTONFLAT B
Ul Cottonflat B is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
1 well
- Operator
- Diamondback E&P LLC
- County
- Martin County
- RRC lease
- 08-55258
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 23,151 mcf
- Oil in Jul 2026
- 724 bbl
Production by month
Oil output fell 25% over the last 12 months
- Oil (bars)
- Gas (line)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
99% of the gas went to a transmission line in the last 12 months
- Transmission line (2)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
99% · 22,966 mcf
Lease fuel (1)
0.5% · 122 mcf
Flared (4)
0.3% · 63 mcf
0.3% of the gas flared in the last 12 months. No month above 3%.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-317-42889 | 4101LS | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Oryx Midland Oil Gathering LLC | Oil | Gathers | 100 | Apr 1, 2026 | – |
| 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 | Jul 1, 2021 | Apr 1, 2026 |
| Coronado Midstream LLC | Casinghead gas | Buys | 100 | Jul 1, 2021 | Apr 1, 2026 |
| Eastex Crude Company | Oil | Gathers | 25 | Feb 1, 2023 | Apr 1, 2026 |
| Explore Logistics LLC | Oil | Gathers | 25 | Feb 1, 2023 | Apr 1, 2026 |
| Oryx Midland Oil Gathering LLC | Oil | Gathers | 50 | May 1, 2021 | Apr 1, 2026 |
| Eastex Crude Company, LLC | Oil | Gathers | 50 | Jan 1, 2023 | Feb 1, 2023 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
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 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026 | 724 | 722 | 2,322 | 2,303 | 11 | $80.46 | $2.89 |
| Jun 2026 | 758 | 755 | 3,010 | 2,996 | 0 | $84.81 | $3.15 |
| May 2026 | 827 | 827 | 2,454 | 2,441 | 0 | $102.13 | $2.94 |
| Apr 2026 | 788 | 784 | 2,379 | 2,366 | 0 | $100.32 | $2.77 |
| Mar 2026 | 851 | 852 | 2,187 | 2,174 | 0 | $91.38 | $3.04 |
| Feb 2026 | 725 | 724 | 1,415 | 1,407 | 0 | $64.51 | $3.62 |
| Jan 2026 | 543 | 544 | 1,247 | 1,236 | 4 | $60.04 | $7.72 |
| Dec 2025 | 752 | 753 | 1,934 | 1,922 | 0 | $57.97 | $4.26 |
| Nov 2025 | 746 | 751 | 1,449 | 1,432 | 8 | $60.06 | $3.79 |
| Oct 2025 | 964 | 957 | 1,752 | 1,741 | 0 | $60.89 | $3.19 |
| Sep 2025 | 508 | 510 | 1,605 | 1,597 | 0 | $63.96 | $2.97 |
| Aug 2025 | 730 | 729 | 1,397 | 1,351 | 40 | $64.86 | $2.91 |
| Jul 2025 | 1,047 | 1,046 | 1,471 | 1,463 | 0 | $68.39 | $3.20 |
| Jun 2025 | 529 | 529 | 1,035 | 1,029 | 0 | $68.17 | $3.02 |
| May 2025 | 995 | 1,000 | 1,864 | 1,853 | 0 | $62.17 | $3.12 |
| Apr 2025 | 1,241 | 1,246 | 1,141 | 1,134 | 0 | $63.54 | $3.42 |
| Mar 2025 | 1,456 | 1,453 | 1,337 | 1,329 | 0 | $68.24 | $4.12 |
| Feb 2025 | 433 | 424 | 590 | 586 | 0 | $71.53 | $4.19 |
| Jan 2025 | 321 | 322 | 521 | 517 | 0 | $75.74 | $4.13 |
| Dec 2024 | 1,182 | 1,183 | 1,933 | 1,923 | 0 | $70.12 | $3.01 |
| Nov 2024 | 1,192 | 1,196 | 1,750 | 1,741 | 0 | $69.95 | $2.12 |
| Oct 2024 | 1,091 | 1,097 | 1,861 | 1,851 | 0 | $71.99 | $2.20 |
| Sep 2024 | 1,196 | 1,192 | 1,836 | 1,827 | 0 | $70.24 | $2.28 |
| Aug 2024 | 1,234 | 1,234 | 1,349 | 1,342 | 0 | $76.68 | $1.99 |
| Jul 2024 | 1,217 | 1,212 | 1,278 | 1,272 | 0 | $81.80 | $2.07 |
| Jun 2024 | 1,450 | 1,458 | 1,275 | 1,269 | 0 | $79.77 | $2.54 |
| May 2024 | 746 | 742 | 1,182 | 1,174 | 2 | $80.02 | $2.12 |
| Apr 2024 | 1,159 | 1,166 | 1,112 | 1,108 | 0 | $85.35 | $1.60 |
| Mar 2024 | 1,198 | 1,193 | 1,633 | 1,627 | 0 | $81.28 | $1.49 |
| Feb 2024 | 1,905 | 1,912 | 2,375 | 2,360 | 0 | $77.25 | $1.72 |
| Jan 2024 | 2,074 | 2,071 | 1,372 | 1,361 | 0 | $74.15 | $3.18 |
| Dec 2023 | 1,388 | 1,375 | 586 | 580 | 0 | $71.90 | $2.52 |
| Nov 2023 | 559 | 567 | 306 | 303 | 0 | $77.69 | $2.71 |
| Oct 2023 | 633 | 627 | 334 | 330 | 0 | $85.64 | $2.98 |
| Sep 2023 | 261 | 257 | 288 | 284 | 0 | $89.43 | $2.64 |
| Aug 2023 | 5 | 39 | 182 | 178 | 0 | $81.39 | $2.58 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
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Nearby
This lease belongs to
Diamondback E&P LLC in Martin County
- UL 0312 E1
8,868 bbl
- NIMITZ 7
8,924 bbl
- MABEE Y
8,990 bbl
- GRANTHAM 46
9,127 bbl
- MOTT 6
6,900 bbl
- MARGIE 9-4 A (ALLOC-1NH)
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- SHOCKLEY "9"
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- FORTRESS A1
7,120 bbl
- VINEYARD HZ D
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Spraberry (Trend Area) field
- MARALO 41-32 ALLOCATION 3204
2,244 bbl
- DEETS 36A
7,458 bbl
- BLOCK 33-3 TXL FEE
8,241 bbl
- UNICORN UNIT A 04-37
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- LEES 22
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- TERRELL
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- GARDENDALE "9"
6,813 bbl
- KENDRA-AMANDA PSA 1
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- TOM-MILLS 48B
7,728 bbl
- POWELL 1002
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Leases within 10 km
- UL COTTONFLAT D
0 bbl · 0 km
- UL COTTONFLAT A
27,653 bbl · 0 km
- UL COTTONFLAT C
28,160 bbl · 0 km
- UL COTTONFLAT E
40,671 bbl · 0.2 km
- UL COTTONFLAT F
23,695 bbl · 0.2 km
- UL COTTONFLAT G
27,718 bbl · 0.2 km
- UL BLK 6 DDU A
202,371 bbl · 0.4 km
- M.A.K.(SPRABERRY)UNIT
0 bbl · 0.5 km
- UL PAGE 41-44 A
27,328 bbl · 0.7 km
- UL PAGE 41-44 B
50,636 bbl · 0.7 km
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