Texas oil lease
ProducingKNOX "A"
Knox "A" is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.
Oil lease dossier
- Operator
- Diamondback E&P LLC
- County
- Martin County
- RRC lease
- 08-39698
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 382 bbl
- Reporting since
- Jan 2020
Production by month
Oil output rose 22% 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 2021
- Diamondback E&P LLC Jan 2021 to now
- Guidon Energy Mgmt Services LLC Jan 2020 to Dec 2020
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Wells on this lease
No wells are linked to this lease in our data
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Enterprise Crude Oil LLC | Oil | Gathers | 100 | Sep 1, 2023 | – |
| Et Gathering & Processing LLC | Casinghead gas | Buys | 100 | Mar 1, 2026 | – |
| Energy Transfer Company | Casinghead gas | Gathers | 100 | Aug 1, 2024 | – |
| Etc Gas Processing, LLC | Casinghead gas | Buys | 100 | Aug 1, 2024 | Mar 1, 2026 |
| Wtg Gas Processing, LLC | Casinghead gas | Gathers | 100 | Sep 1, 2023 | Aug 1, 2024 |
| Wtg Gas Processing, LLC | Casinghead gas | Buys | 100 | Sep 1, 2023 | Aug 1, 2024 |
| Wtg Gas Processing, L.p. | Casinghead gas | Gathers | 100 | Jul 1, 2016 | Sep 1, 2023 |
| Wtg Gas Processing, L.p. | Casinghead gas | Buys | 100 | Nov 1, 2019 | Sep 1, 2023 |
| Ace Gathering, Inc. | Oil | Gathers | 100 | Nov 1, 2019 | Sep 1, 2023 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
421.70 acres on the newest permit
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-317-34754 | 2 | Jun 13, 2016 | Dec 6, 2007 | 421.70 |
| 42-317-35104 | 3 | Jun 13, 2016 | May 23, 2008 | 421.70 |
| 42-317-35197 | 4 | Jun 13, 2016 | Jul 18, 2008 | 421.70 |
| 42-317-35323 | 5 | Jun 13, 2016 | Nov 5, 2008 | 421.70 |
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 | 382 | 513 | $80.46 | $2.89 |
| Jun 2026Diamondback E&P | 426 | 362 | $84.81 | $3.15 |
| May 2026Diamondback E&P | 412 | 348 | $102.13 | $2.94 |
| Apr 2026Diamondback E&P | 509 | 531 | $100.32 | $2.77 |
| Mar 2026Diamondback E&P | 405 | 522 | $91.38 | $3.04 |
| Feb 2026Diamondback E&P | 488 | 526 | $64.51 | $3.62 |
| Jan 2026Diamondback E&P | 452 | 367 | $60.04 | $7.72 |
| Dec 2025Diamondback E&P | 531 | 700 | $57.97 | $4.26 |
| Nov 2025Diamondback E&P | 441 | 371 | $60.06 | $3.79 |
| Oct 2025Diamondback E&P | 104 | 0 | $60.89 | $3.19 |
| Sep 2025Diamondback E&P | 453 | 352 | $63.96 | $2.97 |
| Aug 2025Diamondback E&P | 271 | 352 | $64.86 | $2.91 |
| Jul 2025Diamondback E&P | 371 | 351 | $68.39 | $3.20 |
| Jun 2025Diamondback E&P | 345 | 342 | $68.17 | $3.02 |
| May 2025Diamondback E&P | 342 | 345 | $62.17 | $3.12 |
| Apr 2025Diamondback E&P | 326 | 337 | $63.54 | $3.42 |
| Mar 2025Diamondback E&P | 360 | 346 | $68.24 | $4.12 |
| Feb 2025Diamondback E&P | 343 | 346 | $71.53 | $4.19 |
| Jan 2025Diamondback E&P | 395 | 362 | $75.74 | $4.13 |
| Dec 2024Diamondback E&P | 221 | 179 | $70.12 | $3.01 |
| Nov 2024Diamondback E&P | 322 | 361 | $69.95 | $2.12 |
| Oct 2024Diamondback E&P | 328 | 350 | $71.99 | $2.20 |
| Sep 2024Diamondback E&P | 312 | 354 | $70.24 | $2.28 |
| Aug 2024Diamondback E&P | 318 | 174 | $76.68 | $1.99 |
| Jul 2024Diamondback E&P | 315 | 381 | $81.80 | $2.07 |
| Jun 2024Diamondback E&P | 401 | 512 | $79.77 | $2.54 |
| May 2024Diamondback E&P | 335 | 342 | $80.02 | $2.12 |
| Apr 2024Diamondback E&P | 288 | 166 | $85.35 | $1.60 |
| Mar 2024Diamondback E&P | 327 | 351 | $81.28 | $1.49 |
| Feb 2024Diamondback E&P | 337 | 342 | $77.25 | $1.72 |
| Jan 2024Diamondback E&P | 358 | 361 | $74.15 | $3.18 |
| Dec 2023Diamondback E&P | 366 | 341 | $71.90 | $2.52 |
| Nov 2023Diamondback E&P | 374 | 341 | $77.69 | $2.71 |
| Oct 2023Diamondback E&P | 354 | 520 | $85.64 | $2.98 |
| Sep 2023Diamondback E&P | 343 | 177 | $89.43 | $2.64 |
| Aug 2023Diamondback E&P | 346 | 349 | $81.39 | $2.58 |
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
How to check your stub against this leaseDo your checks match this lease?
Nearby
This lease belongs to
Diamondback E&P LLC in Martin County
- MILLER "5"
3,275 bbl
- LEMBERGER
4,769 bbl
- HUGHES "44"
3,481 bbl
- UL 2631 W7
4,342 bbl
- LIBERTY-DYER "34A"
4,483 bbl
- OTB O'BRIEN 43
2,710 bbl
- HARPER-BAYES 16
4,099 bbl
- FLO C
3,968 bbl
- MCKASKLE "2"
4,215 bbl
- UNIVERSITY 7-26B
4,010 bbl
Spraberry (Trend Area) field
- FOREMAN "29-32"
4,006 bbl
- ST-ST RR R
3,611 bbl
- MCCLINTIC 11F
4,705 bbl
- LEATHERWOOD UNIT
4,773 bbl
- MCMURRY-CRIM 80
4,149 bbl
- WINDHAM RANCH 42
2,337 bbl
- MCCLINTIC-MAURER 31B
2,541 bbl
- HANSON
4,867 bbl
- WELCH
3,803 bbl
- UL 2631 W7
4,342 bbl
New drilling permits in Martin County
Newest in the county: this lease has no coordinates.
GLASSCOCK-CASAGA 44H #8H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918062 · Sep 28, 2026
GLASSCOCK-CASAGA 44G #7H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918061 · Sep 28, 2026
GLASSCOCK-CASAGA 44E #5H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0918059 · Sep 28, 2026
DICKENSON W19I #9H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0917994 · Sep 28, 2026
DICKENSON W19H #8H
new drill · horizontal · Pioneer Natural Res. USA, Inc. · Martin County
Permit 0917993 · Sep 28, 2026