Texas oil lease
Shut inROCKER B 126
Rocker B 126 is an oil lease in Reagan County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
1 well
- Operator
- Diamondback E&P LLC
- County
- Reagan County
- RRC lease
- 7C-11666
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 2,196 mcf
- Oil in Jul 2026
- 0 bbl
Checks stopped on this lease?
- Operator
Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.
- Buyer
Buyer changed: ET GATHERING & PROCESSING LLC replaced ETC SOUTH PERMIAN MIDSTREAM LLC as the buyer of this lease's gas from oil wells on Jan 1, 2026.
- Sales
No sales reported for the last 5 months of state data (through Jul 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 67% 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 Nov 2024 the lease's gas goes to a transmission line instead of a processing plant
- Processing plant (3)
- Transmission line (2)
- Lease fuel (1)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Transmission line (2)
89% · 4,206 mcf
Lease fuel (1)
11% · 500 mcf
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 |
|---|---|---|
| 42-383-33524 | 1 | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Enterprise Crude Oil LLC | Oil | Gathers | 100 | Apr 1, 2025 | – |
| Et Gathering & Processing LLC | Casinghead gas | Buys | 100 | Jan 1, 2026 | – |
| Energy Transfer Company | Casinghead gas | Gathers | 100 | Aug 1, 2024 | – |
| Etc South Permian Midstream LLC | Casinghead gas | Buys | 100 | Apr 1, 2025 | Jan 1, 2026 |
| Etc South Permian Midstream LLC | Casinghead gas | Buys | 100 | Aug 1, 2024 | Apr 1, 2025 |
| Oasis Transp & Marketing Corp. | Oil | Gathers | 100 | Jan 1, 2010 | Apr 1, 2025 |
| Wtg South Permian Midstream LLC | Casinghead gas | Gathers | 100 | May 1, 2021 | Aug 1, 2024 |
| Wtg South Permian Midstream LLC | Casinghead gas | Buys | 100 | May 1, 2021 | Aug 1, 2024 |
| Davis Gas Processing, Inc. | Casinghead gas | Gathers | 100 | May 1, 2004 | May 1, 2021 |
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 2026Diamondback E&P | 0 | 0 | 0 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 0 | 0 | 0 | 0 | 0 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 0 | 0 | 0 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 0 | 0 | 0 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 0 | 0 | 0 | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 0 | 165 | 0 | 0 | 0 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 0 | 0 | 0 | 0 | 0 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 0 | 0 | 101 | 101 | 0 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 20 | 0 | 602 | 412 | 0 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 31 | 0 | 705 | 395 | 0 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 32 | 0 | 404 | 404 | 0 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 33 | 0 | 384 | 384 | 0 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 34 | 0 | 426 | 426 | 0 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 18 | 0 | 271 | 271 | 0 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 14 | 174 | 353 | 353 | 0 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 30 | 0 | 361 | 361 | 0 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 31 | 0 | 371 | 371 | 0 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 32 | 0 | 336 | 336 | 0 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 30 | 0 | 392 | 392 | 0 | $75.74 | $4.13 |
| Dec 2024Endeavor Energy | 36 | 0 | 307 | 307 | 0 | $70.12 | $3.01 |
| Nov 2024Endeavor Energy | 37 | 178 | 294 | 294 | 0 | $69.95 | $2.12 |
| Oct 2024Endeavor Energy | 35 | 0 | 357 | 357 | 0 | $71.99 | $2.20 |
| Sep 2024Endeavor Energy | 30 | 0 | 349 | 349 | 0 | $70.24 | $2.28 |
| Aug 2024Endeavor Energy | 27 | 0 | 362 | 362 | 0 | $76.68 | $1.99 |
| Jul 2024Endeavor Energy | 38 | 0 | 363 | 363 | 0 | $81.80 | $2.07 |
| Jun 2024Endeavor Energy | 32 | 0 | 339 | 339 | 0 | $79.77 | $2.54 |
| May 2024Endeavor Energy | 23 | 170 | 323 | 323 | 0 | $80.02 | $2.12 |
| Apr 2024Endeavor Energy | 38 | 1 | 287 | 287 | 0 | $85.35 | $1.60 |
| Mar 2024Endeavor Energy | 38 | 3 | 299 | 299 | 0 | $81.28 | $1.49 |
| Feb 2024Endeavor Energy | 38 | 0 | 277 | 277 | 0 | $77.25 | $1.72 |
| Jan 2024Endeavor Energy | 50 | 180 | 288 | 288 | 0 | $74.15 | $3.18 |
| Dec 2023Endeavor Energy | 61 | 3 | 330 | 330 | 0 | $71.90 | $2.52 |
| Nov 2023Endeavor Energy | 33 | 5 | 196 | 196 | 0 | $77.69 | $2.71 |
| Oct 2023Endeavor Energy | 0 | 0 | 34 | 34 | 0 | $85.64 | $2.98 |
| Sep 2023Endeavor Energy | 40 | 2 | 194 | 194 | 0 | $89.43 | $2.64 |
| Aug 2023Endeavor Energy | 60 | 170 | 69 | 69 | 0 | $81.39 | $2.58 |
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 Reagan County
- COOK, THOMAS E. -B-
337 bbl
- HOWARD, WILLIAM 42
211 bbl
- COPE "83"
303 bbl
- BINGHAM
198 bbl
- MALONE-DANIEL
220 bbl
- WEDDELL, SADIE "4"
151 bbl
- LANE, O. N. "A"
114 bbl
- NEWMONT -A-
214 bbl
- GIDNEY, E.B.
214 bbl
- WEDDELL, SADIE, ETAL
107 bbl
Spraberry (Trend Area) field
- MERCHANT, C. W. -D-
220 bbl
- MCGILL "12"
4,511 mcf
- NEWMONT -A-
214 bbl
- GIDNEY, E.B.
214 bbl
- SAU 28-2
111 bbl
- SNOW DRAW B
128 bbl
- SAU MARINER 28-3B
101 bbl
- SUGG FARMAR "41B"
4,877 mcf
- SUGG-FARMAR "38"
4,559 mcf
- SUGG FARMAR '19'
3,584 mcf
Leases within 10 km
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Drilling permits within 10 km
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Permit 0915449 · May 11, 2026
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new drill · horizontal · Discovery Natural Resources LLC · Reagan County · 7.5 km
Permit 0915447 · May 11, 2026