Texas oil lease
ProducingRIO NUECES 37-44 UNIT 1
Rio Nueces 37-44 Unit 1 is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
7 wells
- Operator
- Diamondback E&P LLC
- County
- Midland County
- RRC lease
- 08-49945
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 678,079 mcf
- Oil in Jul 2026
- 11,162 bbl
Checks stopped on this lease?
- Operator
Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 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 rose 73% 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
Since May 2025 the lease's gas goes to a transmission line instead of lease fuel
Flaring peaked at 10.2% of the gas in Apr 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% · 604,555 mcf
Lease fuel (1)
9.7% · 65,660 mcf
Flared (4)
1.2% · 7,864 mcf
1.2% of the gas flared in the last 12 months. 6 months above 3%.
Who has run this lease
The operator changed once, most recently in Jan 2025
- Diamondback E&P LLC Jan 2025 to now
- Endeavor Energy Resources L.P. Jan 2020 to Dec 2024
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
7 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-329-41850 | 211 | Active |
| 42-329-41851 | 212 | Active |
| 42-329-41852 | 221 | Active |
| 42-329-41853 | 222 | Active |
| 42-329-43224 | 231 | Active |
| 42-329-43225 | 241 | Active |
| 42-329-43226 | 242 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Energy Transfer Company | Oil | Gathers | 100 | Sep 1, 2025 | – |
| Enterprise M B Midstream LLC | Casinghead gas | Buys | 100 | Sep 1, 2025 | – |
| Enterprise Products Operating LLC | Casinghead gas | Gathers | 100 | Sep 1, 2025 | – |
| Centurion Pipeline L.p. | Oil | Gathers | 100 | Sep 1, 2019 | Sep 1, 2025 |
| Navitas Mdstr Midland Basin, LLC | Casinghead gas | Gathers | 100 | Feb 24, 2018 | Sep 1, 2019 |
| Navitas Mdstr Midland Basin, LLC | Casinghead gas | Buys | 100 | Feb 24, 2018 | Sep 1, 2019 |
| Centurion Pipeline L.p. | Oil | Gathers | 100 | Feb 24, 2018 | Sep 1, 2019 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
657.80 acres on the newest permit
- Good to know
7 wells are listed on this lease
Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.
- Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-329-43224 | 231 | Mar 22, 2019 | Jun 1, 2019 | 657.80 |
| 42-329-43225 | 241 | Mar 22, 2019 | Jun 16, 2019 | 657.80 |
| 42-329-43226 | 242 | Mar 22, 2019 | Jul 2, 2019 | 657.80 |
| 42-329-41853 | 222 | Jul 24, 2017 | Feb 24, 2018 | 657.80 |
| 42-329-41850 | 211 | Jul 21, 2017 | Feb 24, 2018 | 657.80 |
| 42-329-41851 | 212 | Jul 21, 2017 | Feb 24, 2018 | 657.80 |
| 42-329-41852 | 221 | Jul 21, 2017 | Feb 24, 2018 | 657.80 |
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 2026Diamondback E&P | 11,162 | 11,177 | 82,088 | 76,056 | 421 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 9,676 | 9,739 | 65,908 | 61,394 | 160 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 11,824 | 11,593 | 69,018 | 63,355 | 14 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 8,034 | 8,185 | 54,248 | 49,085 | 18 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 10,656 | 10,860 | 57,610 | 52,233 | 89 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 10,468 | 10,320 | 52,893 | 47,933 | 24 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 10,664 | 12,274 | 53,719 | 48,220 | 318 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 11,176 | 9,628 | 58,206 | 51,709 | 328 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 11,600 | 11,452 | 52,032 | 45,981 | 219 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 12,622 | 13,891 | 54,938 | 48,055 | 637 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 12,256 | 10,822 | 48,429 | 38,328 | 4,068 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 11,251 | 11,150 | 28,990 | 22,206 | 1,568 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 9,531 | 9,644 | 15,860 | 10,796 | 630 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 4,219 | 4,150 | 9,812 | 5,948 | 29 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 6,024 | 5,855 | 10,820 | 6,367 | 7 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 3,989 | 4,106 | 7,945 | 2,755 | 812 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 4,622 | 4,734 | 6,281 | 1,957 | 7 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 823 | 796 | 2,538 | 401 | 85 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 2,901 | 2,989 | 15,084 | 11,566 | 27 | $75.74 | $4.13 |
| Dec 2024Endeavor Energy | 8,650 | 9,034 | 91,002 | 80,433 | 2,165 | $70.12 | $3.01 |
| Nov 2024Endeavor Energy | 8,889 | 8,800 | 90,804 | 81,472 | 1,191 | $69.95 | $2.12 |
| Oct 2024Endeavor Energy | 9,542 | 9,542 | 115,382 | 105,481 | 239 | $71.99 | $2.20 |
| Sep 2024Endeavor Energy | 8,782 | 8,628 | 104,897 | 92,066 | 1,403 | $70.24 | $2.28 |
| Aug 2024Endeavor Energy | 7,844 | 8,061 | 101,825 | 90,159 | 311 | $76.68 | $1.99 |
| Jul 2024Endeavor Energy | 8,586 | 8,469 | 86,770 | 77,709 | 320 | $81.80 | $2.07 |
| Jun 2024Endeavor Energy | 11,851 | 11,759 | 92,288 | 84,794 | 211 | $79.77 | $2.54 |
| May 2024Endeavor Energy | 13,312 | 13,126 | 94,491 | 88,012 | 738 | $80.02 | $2.12 |
| Apr 2024Endeavor Energy | 11,537 | 11,611 | 83,809 | 76,785 | 1,542 | $85.35 | $1.60 |
| Mar 2024Endeavor Energy | 12,754 | 12,932 | 98,720 | 90,104 | 2,134 | $81.28 | $1.49 |
| Feb 2024Endeavor Energy | 12,001 | 12,415 | 97,747 | 88,624 | 2,591 | $77.25 | $1.72 |
| Jan 2024Endeavor Energy | 13,589 | 13,476 | 107,304 | 91,115 | 9,796 | $74.15 | $3.18 |
| Dec 2023Endeavor Energy | 13,705 | 13,320 | 106,789 | 100,671 | 99 | $71.90 | $2.52 |
| Nov 2023Endeavor Energy | 12,763 | 12,756 | 96,751 | 91,497 | 24 | $77.69 | $2.71 |
| Oct 2023Endeavor Energy | 11,831 | 12,057 | 108,714 | 102,970 | 53 | $85.64 | $2.98 |
| Sep 2023Endeavor Energy | 12,143 | 11,943 | 112,935 | 106,605 | 238 | $89.43 | $2.64 |
| Aug 2023Endeavor Energy | 12,692 | 12,786 | 121,347 | 115,253 | 1 | $81.39 | $2.58 |
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 Midland County
- HALL-PORTER 621-596 UNIT 1
110,186 bbl
- OVERLORD 21-56 E
152,451 bbl
- TRAILAND B UNIT
87,144 bbl
- NE CITY 35-38 UNIT 1
144,554 bbl
- BLACKFOOT WEST UNIT
107,303 bbl
- HILL 30-19 F
106,547 bbl
- GAULT 5-41 A
130,134 bbl
- RIO LAVACA 28-48 B
111,174 bbl
- ST NW
129,864 bbl
- HILL 30-19 G
103,143 bbl
Spraberry (Trend Area) field
- RED BUD W UNIT
152,895 bbl
- STIMSON-ATRELLE 20F
152,714 bbl
- PINNACLES 33-45 C
149,750 bbl
- TEMPLE FORK 32-20 I
138,176 bbl
- UL DEDHAM 31-45 K
151,013 bbl
- JUNE EAST B
154,649 bbl
- KOLACHE G
136,191 bbl
- COX 22 N
141,051 bbl
- GEORGE WASHINGTON WOLCOTT (AJ)
139,402 bbl
- DROGON U2-VHAGAR 38H
155,092 bbl
Leases within 10 km
- BRADFORD -32-
0 bbl · 0.2 km
- RIO NUECES 37-44 UNIT 2
123,005 bbl · 0.3 km
- RIO SAN MARCOS 36-45 UNIT 2B
176,597 bbl · 0.6 km
- RIO SAN MARCOS 36-45 UNIT 2A
597,191 bbl · 0.6 km
- BRADFORD 36
6,564 bbl · 0.7 km
- HENCE "B"
23,139 bbl · 0.7 km
- TXLV 37
0 bbl · 1.2 km
- ARMSTRONG 36
5,440 bbl · 1.3 km
- MINDY LYNN 38
178 bbl · 1.4 km
- RIO SAN MARCOS 36-45 UNIT 1
60,845 bbl · 1.4 km
Drilling permits within 10 km
DONALD L HUTT FEE 45C #103H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Midland County · 8.8 km
Permit 0918226 · Sep 30, 2026
SHACK-HUTT 9D #204H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Midland County · 9.3 km
Permit 0918195 · Sep 30, 2026
DONALD L HUTT FEE 45A #101H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Midland County · 8.3 km
Permit 0918228 · Sep 29, 2026
SHACK-HUTT 9C #203H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Midland County · 9.3 km
Permit 0918194 · Sep 28, 2026
CUNNINGHAM 9A #201H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Midland County · 9.3 km
Permit 0918193 · Sep 28, 2026