Texas oil lease
ProducingJONES 21
Jones 21 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
- 08-46686
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 173 bbl
- Reporting since
- Jan 2020
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 fell 30% over the last 12 months
- Oil (bars)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
No gas disposition reported for this lease
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.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-317-40199 | 2 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Explore Logistics LLC | Oil | Gathers | 100 | Apr 1, 2025 | – |
| Dcp Operating Company, LP | Casinghead gas | Buys | 100 | Apr 1, 2017 | – |
| Dcp Operating Company, LP | Casinghead gas | Gathers | 100 | Apr 1, 2017 | – |
| Oasis Transp & Marketing Corp. | Oil | Gathers | 100 | Jul 29, 2015 | Apr 1, 2025 |
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 | $23.94 | SEC filing |
SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026Diamondback E&P | 173 | 179 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 70 | 182 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 26 | 0 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 14 | 0 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 59 | 0 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 132 | 178 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 76 | 0 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 101 | 175 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 96 | 6 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 109 | 189 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 105 | 179 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 92 | 0 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 117 | 6 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 104 | 189 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 123 | 184 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 111 | 3 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 146 | 182 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 53 | 0 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 167 | 319 | $75.74 | $4.13 |
| Dec 2024Endeavor Energy | 125 | 7 | $70.12 | $3.01 |
| Nov 2024Endeavor Energy | 93 | 182 | $69.95 | $2.12 |
| Oct 2024Endeavor Energy | 169 | 195 | $71.99 | $2.20 |
| Sep 2024Endeavor Energy | 161 | 175 | $70.24 | $2.28 |
| Aug 2024Endeavor Energy | 145 | 0 | $76.68 | $1.99 |
| Jul 2024Endeavor Energy | 156 | 174 | $81.80 | $2.07 |
| Jun 2024Endeavor Energy | 147 | 360 | $79.77 | $2.54 |
| May 2024Endeavor Energy | 170 | 4 | $80.02 | $2.12 |
| Apr 2024Endeavor Energy | 166 | 340 | $85.35 | $1.60 |
| Mar 2024Endeavor Energy | 180 | 174 | $81.28 | $1.49 |
| Feb 2024Endeavor Energy | 204 | 0 | $77.25 | $1.72 |
| Jan 2024Endeavor Energy | 142 | 175 | $74.15 | $3.18 |
| Dec 2023Endeavor Energy | 196 | 166 | $71.90 | $2.52 |
| Nov 2023Endeavor Energy | 233 | 341 | $77.69 | $2.71 |
| Oct 2023Endeavor Energy | 187 | 177 | $85.64 | $2.98 |
| Sep 2023Endeavor Energy | 196 | 168 | $89.43 | $2.64 |
| Aug 2023Endeavor Energy | 175 | 348 | $81.39 | $2.58 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.
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Nearby
This lease belongs to
Diamondback E&P LLC in Martin County
- BROWN '48'
1,095 bbl
- SLAUGHTER 2
1,085 bbl
- BURNS
1,065 bbl
- HENSON "13"
1,076 bbl
- KELLY
1,061 bbl
- ROMINE "38"
810 bbl
- TOM "4"
1,020 bbl
- FROMAN "8"
906 bbl
- COWDEN
1,034 bbl
- FRED UNIT
968 bbl
Spraberry (Trend Area) field
- BISCUIT '18' UNIT
792 bbl
- WALKER GLASS
607 bbl
- STANTON TOWNSITE UNIT II
1,057 bbl
- DARLA "39"
1,050 bbl
- ANDREWS UNIVERSITY 16
872 bbl
- ROMINE "38"
810 bbl
- PUMA 21
432 bbl
- SCHWARTZ NORTH
429 bbl
- TOM "4"
1,020 bbl
- CLEMENTS
1,046 bbl
Leases within 10 km
- MOORE 21
887 bbl · 0.4 km
- MCCAMPBELL "21"
0 bbl · 0.6 km
- HERZOG "21"
0 bbl · 0.6 km
- PIER 21-24 UNIT 1
185,795 bbl · 0.8 km
- COX 9-12 UNIT 2
402,200 bbl · 0.8 km
- COX 12-9 UNIT 1
374,423 bbl · 0.8 km
- FM HALL 20
8,288 bbl · 0.8 km
- BLACK CAIMAN 21-24 E
151,701 bbl · 0.9 km
- BLACK CAIMAN 21-24 D
264,316 bbl · 0.9 km
- BLACK CAIMAN 21-24 C
203,994 bbl · 0.9 km
Drilling permits within 10 km
TOM-PATRIOT 30I #9H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 8.6 km
Permit 0914361 · Apr 24, 2026
TOM-PATRIOT 30K #11H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 8.6 km
Permit 0914363 · Apr 24, 2026
TOM-PATRIOT 30L #12H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 8.6 km
Permit 0914364 · Apr 24, 2026
TOM-PATRIOT 30J #10H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 8.6 km
Permit 0914362 · Apr 24, 2026
TOM-PATRIOT 30H #8H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County · 8.6 km
Permit 0914358 · Apr 24, 2026