Texas oil lease
Shut inRETZLOFF-TOM UNIT
Retzloff-Tom Unit is an oil lease in Atascosa County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-1) field.
1 well
- Operator
- Marathon Oil Ef LLC
- County
- Atascosa County
- RRC lease
- 01-19777
Is your check right?
Where it sits
This county
- Oil in Jul 2026
- 0 bbl
- Reporting since
- Jan 2020
Checks stopped on this lease?
- Sales
No sales reported for the last 12 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
No production to chart
Where the gas went
No gas disposition reported for this lease
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-013-34409 | 1H | Shut-in |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Enterprise Crude Oil LLC | Oil | Gathers | 25 | Jul 1, 2022 | – |
| Gulfmark Energy, Inc. | Oil | Gathers | 25 | Jun 5, 2024 | – |
| Harvest Midstream Company | Oil | Gathers | 25 | Jul 1, 2022 | – |
| Trafigura Trading LLC | Oil | Gathers | 25 | Jul 1, 2022 | – |
| Marathon Oil Ef LLC | Casinghead gas | Buys | 100 | Sep 1, 2017 | – |
| Marathon Oil Ef LLC | Casinghead gas | Gathers | 100 | Sep 1, 2017 | – |
| Reynolds Energy Transport LLC | Oil | Gathers | 25 | Jul 1, 2022 | Jun 5, 2024 |
| Enterprise Crude Oil LLC | Oil | Gathers | 1 | Sep 1, 2017 | Jul 1, 2022 |
| Gulfmark Energy, Inc. | Oil | Gathers | 1 | Sep 1, 2017 | Jul 1, 2022 |
| Harvest Midstream Company | Oil | Gathers | 97 | Sep 1, 2017 | Jul 1, 2022 |
| Trafigura Trading LLC | Oil | Gathers | 1 | Sep 1, 2017 | Jul 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
What ConocoPhillips told investors it received
| Quarter | Oil$ per bbl | Gas$ per mcf | Gas liquids$ per bbl | Filing |
|---|---|---|---|---|
| Q2 2026 | $99.40 | $2.58 | $24.54 | SEC filing |
| Q1 2026 | $73.47 | $4.09 | $20.42 | SEC filing |
| Q3 2025 | $66.13 | $4.28 | $19.20 | SEC filing |
| Q2 2025 | $64.23 | $4.16 | $20.98 | SEC filing |
| Q1 2025 | $71.65 | $5.62 | $25.40 | SEC filing |
SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|
| Jul 2026 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026 | 0 | 0 | $84.81 | $3.15 |
| May 2026 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026 | 0 | 0 | $91.38 | $3.04 |
| Feb 2026 | 0 | 0 | $64.51 | $3.62 |
| Jan 2026 | 0 | 0 | $60.04 | $7.72 |
| Dec 2025 | 0 | 0 | $57.97 | $4.26 |
| Nov 2025 | 0 | 0 | $60.06 | $3.79 |
| Oct 2025 | 0 | 0 | $60.89 | $3.19 |
| Sep 2025 | 0 | 0 | $63.96 | $2.97 |
| Aug 2025 | 0 | 0 | $64.86 | $2.91 |
| Jul 2025 | 0 | 0 | $68.39 | $3.20 |
| Jun 2025 | 0 | 0 | $68.17 | $3.02 |
| May 2025 | 0 | 0 | $62.17 | $3.12 |
| Apr 2025 | 0 | 0 | $63.54 | $3.42 |
| Mar 2025 | 0 | 0 | $68.24 | $4.12 |
| Feb 2025 | 0 | 0 | $71.53 | $4.19 |
| Jan 2025 | 0 | 0 | $75.74 | $4.13 |
| Dec 2024 | 0 | 0 | $70.12 | $3.01 |
| Nov 2024 | 0 | 0 | $69.95 | $2.12 |
| Oct 2024 | 0 | 0 | $71.99 | $2.20 |
| Sep 2024 | 0 | 0 | $70.24 | $2.28 |
| Aug 2024 | 0 | 0 | $76.68 | $1.99 |
| Jul 2024 | 0 | 0 | $81.80 | $2.07 |
| Jun 2024 | 0 | 0 | $79.77 | $2.54 |
| May 2024 | 0 | 0 | $80.02 | $2.12 |
| Apr 2024 | 0 | 0 | $85.35 | $1.60 |
| Mar 2024 | 0 | 0 | $81.28 | $1.49 |
| Feb 2024 | 0 | 0 | $77.25 | $1.72 |
| Jan 2024 | 0 | 0 | $74.15 | $3.18 |
| Dec 2023 | 0 | 0 | $71.90 | $2.52 |
| Nov 2023 | 0 | 0 | $77.69 | $2.71 |
| Oct 2023 | 0 | 0 | $85.64 | $2.98 |
| Sep 2023 | 0 | 0 | $89.43 | $2.64 |
| Aug 2023 | 0 | 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
Marathon Oil Ef LLC in Atascosa County
- HIERHOLZER-HENKE UNIT
696 mcf
- HENKE-WILHELM UNIT B
877 bbl
- FOUSHEE-HENKE UNIT
743 bbl
- HIERHOLZER UNIT
726 bbl
- CHAPMAN-PFEIL 2H PSA
568 bbl
- ESSE-SMITH RANCH UNIT B
287 bbl
- RETZLOFF-MAY UNIT
249 bbl
- MAY-CHAPMAN
127 mcf
- GIESE-HENKE UNIT
178 bbl
- MAY GIRLS-CHAPMAN UNIT
43 bbl
Eagleville (Eagle Ford-1) field
- R. A. BRACKEN
327 mcf
- NBRP EF
32 mcf
- BAETZ EF
414 mcf
- MCADA
17 bbl
- LYNYRD SKYNYRD 62H
14 bbl
- NAYLOR JONES UNIT 18
228 mcf
- MAILAHN UNIT
6 bbl
- PATRICK MOCZYGEMBA
9 bbl
- JASIK
21 mcf
- RANCHO TRES HIJOS
4 bbl
Leases within 10 km
- RETZLOFF-MAY UNIT
249 bbl · 0 km
- TOM FAMILY-RETZLOFF SA3
3,798 bbl · 0.5 km
- TOM FAMILY-RETZLOFF SA2
14,569 bbl · 0.5 km
- TOM FAMILY-RETZLOFF SA1
33,748 bbl · 0.5 km
- MAUCH-KRUEGER UNIT
0 bbl · 0.8 km
- MAUCH-TOM UNIT
1,659 bbl · 0.8 km
- RETZLOFF MAY-MAUCH KRUEGER SA
21,803 bbl · 1 km
- MAUCH TOM KRUEGER-ETHRIDGE SA
56,283 bbl · 1.1 km
- MAUCH TOM KRUEGER SA2
16,676 bbl · 1.1 km
- TOM
4,928 bbl · 1.1 km
Drilling permits within 10 km
F. MALEK UNIT U-M ULW #1
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 9.9 km
Permit 0917069 · Jul 20, 2026
F. MALEK UNIT U #3
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 9.9 km
Permit 0917063 · Jul 17, 2026
F. MALEK UNIT M #2
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 9.9 km
Permit 0917054 · Jul 16, 2026
F. MALEK UNIT M #3
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 9.9 km
Permit 0917056 · Jul 16, 2026
FOUSHEE-WRIGHT KEATHLEY SA5 #5H
new drill · horizontal · Marathon Oil Ef LLC · Atascosa County · 1.8 km
Permit 0915292 · May 6, 2026