Texas oil lease
Shut inTUNNELL "8"
Tunnell "8" is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
2 wells
- Operator
- Diamondback E&P LLC
- County
- Martin County
- RRC lease
- 08-38394
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 0 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.
- Sales
No sales reported for the last 5 months of state data (through Jul 2026).
- Wells
All 2 wells on this lease are marked plugged.
SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.
See why checks stop on this leaseProduction by month
No production to chart
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.
2 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-317-34873 | 1 | Active |
| 42-317-35102 | 2 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Oasis Transp & Marketing Corp. | Oil | Gathers | 100 | Sep 1, 2007 |
| Dcp Operating Company, LP | Casinghead gas | Buys | 100 | Apr 1, 2017 |
| Dcp Operating Company, LP | Casinghead gas | Gathers | 100 | Apr 1, 2017 |
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 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 0 | 0 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 0 | 20 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 0 | 0 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 0 | 0 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 0 | 0 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 0 | 0 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 0 | 0 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 0 | 0 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 0 | 79 | $75.74 | $4.13 |
| Dec 2024Endeavor Energy | 0 | 0 | $70.12 | $3.01 |
| Nov 2024Endeavor Energy | 0 | 0 | $69.95 | $2.12 |
| Oct 2024Endeavor Energy | 0 | 0 | $71.99 | $2.20 |
| Sep 2024Endeavor Energy | 0 | 0 | $70.24 | $2.28 |
| Aug 2024Endeavor Energy | 0 | 0 | $76.68 | $1.99 |
| Jul 2024Endeavor Energy | 0 | 0 | $81.80 | $2.07 |
| Jun 2024Endeavor Energy | 0 | 0 | $79.77 | $2.54 |
| May 2024Endeavor Energy | 0 | 0 | $80.02 | $2.12 |
| Apr 2024Endeavor Energy | 0 | 0 | $85.35 | $1.60 |
| Mar 2024Endeavor Energy | 0 | 0 | $81.28 | $1.49 |
| Feb 2024Endeavor Energy | 0 | 0 | $77.25 | $1.72 |
| Jan 2024Endeavor Energy | 0 | 0 | $74.15 | $3.18 |
| Dec 2023Endeavor Energy | 0 | 0 | $71.90 | $2.52 |
| Nov 2023Endeavor Energy | 0 | 0 | $77.69 | $2.71 |
| Oct 2023Endeavor Energy | 0 | 0 | $85.64 | $2.98 |
| Sep 2023Endeavor Energy | 0 | 0 | $89.43 | $2.64 |
| Aug 2023Endeavor Energy | 0 | 0 | $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
- STOKES
277 bbl
- WADE, GAY -8-
251 bbl
- UNIVERSITY "40-B"#1
243 bbl
- GRANTHAM
246 bbl
- SNELL, LABOR
197 bbl
- STROUD
159 bbl
- WIGGINS
107 bbl
- WADE, GAY -13-
113 bbl
- J W CAVE 48
63 bbl
- SMITH-HALL A
1 bbl
Spraberry (Trend Area) field
- MABEE 01
90 mcf
- SUGG "D"
85 mcf
- FORTY CALIBER 20-17
83 mcf
- SUGG "D"
74 mcf
- DONOVAN -C-
2 bbl
- GLASS 47
40 mcf
- TOM A
39 mcf
- SMITH-HALL A
1 bbl
- LUCY
1 bbl
Leases within 10 km
- STRAIN 20 UNIT 1
97,344 bbl · 0.4 km
- STRAIN 19&20 ALLOC 1926
30,457 bbl · 0.5 km
- STRAIN 19 UNIT 2
110,531 bbl · 0.5 km
- FRASER
8,528 bbl · 0.6 km
- GUITAR 7
647 bbl · 0.6 km
- WILSON "8"
4,751 bbl · 0.7 km
- STRAIN 20 UNIT 2
70,886 bbl · 0.7 km
- STRAIN 20 UNIT 1 & 2
2,983 bbl · 0.8 km
- STRAIN "7"
0 bbl · 0.8 km
- GUITAR 5
20,766 bbl · 1 km
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