Texas oil lease
ProducingRETZLOFF MAY-MAUCH KRUEGER SA
Retzloff May-Mauch Krueger Sa 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
- 01-21045
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 45,654 mcf
- Oil in Jul 2026
- 1,561 bbl
Production by month
Oil output fell 17% 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
86% of the gas went to a processing plant in the last 12 months
Flaring peaked at 7.1% of the gas in May 2024.
- Processing plant (3)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Processing plant (3)
86% · 39,343 mcf
Lease fuel (1)
13% · 5,759 mcf
Flared (4)
1.2% · 552 mcf
1.2% of the gas flared in the last 12 months. 10 months above 3%.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-013-35978 | 1H | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From |
|---|---|---|---|---|
| Enterprise Crude Pipeline LLC | Oil | Gathers | 50 | Jan 25, 2023 |
| Trafigura Trading LLC | Oil | Gathers | 50 | Jan 25, 2023 |
| Marathon Oil Ef LLC | Casinghead gas | Buys | 100 | Jan 25, 2023 |
| Marathon Oil Ef LLC | Casinghead gas | Gathers | 100 | Jan 25, 2023 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
863.22 acres on the newest permit
- Worth asking
An allocation well is on this lease
A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.
- Worth asking
A production sharing agreement well is on this lease
A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.
- Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.
| API number | Well no. | Permit issued | Completed | Acreson the permit |
|---|---|---|---|---|
| 42-013-35978 | 1H | Dec 20, 2022 | Jan 25, 2023 | 863.22 |
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 | $25.40 | SEC filing |
SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Oil producedbbl | Oil soldbbl | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|---|---|
| Jul 2026 | 1,561 | 1,605 | 2,325 | 2,002 | 19 | $80.46 | $2.89 |
| Jun 2026 | 1,887 | 1,874 | 2,961 | 2,551 | 31 | $84.81 | $3.15 |
| May 2026 | 1,794 | 1,792 | 4,079 | 3,569 | 33 | $102.13 | $2.94 |
| Apr 2026 | 1,608 | 1,620 | 3,460 | 2,969 | 35 | $100.32 | $2.77 |
| Mar 2026 | 2,367 | 2,324 | 4,752 | 4,168 | 35 | $91.38 | $3.04 |
| Feb 2026 | 1,032 | 1,036 | 3,386 | 2,932 | 26 | $64.51 | $3.62 |
| Jan 2026 | 1,703 | 1,713 | 3,767 | 3,305 | 24 | $60.04 | $7.72 |
| Dec 2025 | 1,891 | 1,884 | 4,119 | 3,521 | 26 | $57.97 | $4.26 |
| Nov 2025 | 1,892 | 1,889 | 3,713 | 3,238 | 20 | $60.06 | $3.79 |
| Oct 2025 | 1,938 | 1,929 | 4,757 | 4,081 | 62 | $60.89 | $3.19 |
| Sep 2025 | 2,046 | 2,048 | 4,229 | 3,553 | 94 | $63.96 | $2.97 |
| Aug 2025 | 2,084 | 2,090 | 4,106 | 3,454 | 147 | $64.86 | $2.91 |
| Jul 2025 | 1,907 | 1,932 | 4,077 | 3,220 | 153 | $68.39 | $3.20 |
| Jun 2025 | 1,761 | 1,734 | 4,769 | 3,660 | 313 | $68.17 | $3.02 |
| May 2025 | 1,716 | 1,715 | 4,842 | 3,896 | 233 | $62.17 | $3.12 |
| Apr 2025 | 1,414 | 1,417 | 5,680 | 4,683 | 149 | $63.54 | $3.42 |
| Mar 2025 | 1,577 | 1,572 | 5,461 | 4,407 | 234 | $68.24 | $4.12 |
| Feb 2025 | 1,247 | 1,267 | 5,657 | 4,374 | 182 | $71.53 | $4.19 |
| Jan 2025 | 2,257 | 2,246 | 6,009 | 4,717 | 172 | $75.74 | $4.13 |
| Dec 2024 | 2,201 | 2,210 | 4,902 | 4,150 | 103 | $70.12 | $3.01 |
| Nov 2024 | 2,829 | 2,828 | 6,486 | 5,426 | 188 | $69.95 | $2.12 |
| Oct 2024 | 2,745 | 2,752 | 6,063 | 5,092 | 193 | $71.99 | $2.20 |
| Sep 2024 | 3,367 | 3,365 | 6,400 | 5,548 | 139 | $70.24 | $2.28 |
| Aug 2024 | 3,368 | 3,350 | 6,168 | 5,395 | 188 | $76.68 | $1.99 |
| Jul 2024 | 3,607 | 3,600 | 7,479 | 6,680 | 164 | $81.80 | $2.07 |
| Jun 2024 | 3,799 | 3,908 | 6,334 | 5,687 | 175 | $79.77 | $2.54 |
| May 2024 | 2,942 | 2,920 | 6,257 | 4,264 | 445 | $80.02 | $2.12 |
| Apr 2024 | 3,635 | 3,657 | 9,075 | 6,411 | 547 | $85.35 | $1.60 |
| Mar 2024 | 3,977 | 3,984 | 10,605 | 7,954 | 309 | $81.28 | $1.49 |
| Feb 2024 | 3,832 | 3,840 | 9,401 | 8,272 | 117 | $77.25 | $1.72 |
| Jan 2024 | 4,534 | 4,551 | 8,902 | 7,689 | 179 | $74.15 | $3.18 |
| Dec 2023 | 6,662 | 6,672 | 11,839 | 10,441 | 114 | $71.90 | $2.52 |
| Nov 2023 | 6,884 | 6,875 | 13,046 | 11,641 | 107 | $77.69 | $2.71 |
| Oct 2023 | 7,485 | 7,479 | 14,553 | 13,178 | 128 | $85.64 | $2.98 |
| Sep 2023 | 7,433 | 7,399 | 12,720 | 11,536 | 206 | $89.43 | $2.64 |
| Aug 2023 | 8,383 | 8,443 | 14,163 | 12,687 | 409 | $81.39 | $2.58 |
Flared above 3%
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
Marathon Oil Ef LLC in Atascosa County
- DEATLEY HOLLUB MAY SA 2
24,276 bbl
- FOUSHEE-WRIGHT KEATHLEY SA4
23,858 bbl
- C.PFEIL-C.KELLNER-C.HUMMEL PSA
23,690 bbl
- TOM-SMITH UNIT A
23,091 bbl
- CHAPMAN-PFEIL 1H PSA
23,594 bbl
- SCHROEDER-CHAPMAN UNIT
23,495 bbl
- GUAJILLO UNIT 8 SOUTH
21,636 bbl
- GUAJILLO UNIT 9 NORTH
21,269 bbl
- 74-ATASCOSA SA 1
19,544 bbl
- 74 RANCH SPECIAL UNIT EAST
18,623 bbl
Eagleville (Eagle Ford-1) field
- BILSKY-CHUMCHAL SA2
21,799 bbl
- JJ HENRY HC3 UNIT VI
23,224 bbl
- SOIXANTE QUINZE B
75,984 mcf
- J. RAYES B UNIT
23,088 bbl
- STS C-STS NORTH 13
158,286 mcf
- BROWN UNIT F
21,800 bbl
- HOFF RANCH UNIT "A"
22,068 bbl
- DOUGHERTY LAS
18,279 bbl
- JLH LIC B UNIT
21,886 bbl
- MERLIN
22,843 bbl
Leases within 10 km
- MAUCH TOM KRUEGER-ETHRIDGE SA
56,283 bbl · 0 km
- MAUCH TOM KRUEGER SA2
16,676 bbl · 0 km
- TOM
4,928 bbl · 0.1 km
- TOM FAMILY-RETZLOFF SA1
33,748 bbl · 0.7 km
- TOM FAMILY-RETZLOFF SA2
14,569 bbl · 0.7 km
- TOM FAMILY-RETZLOFF SA3
3,798 bbl · 0.7 km
- TOM FAMILY UNIT
50,985 bbl · 0.7 km
- MAUCH UNIT
15,911 bbl · 0.9 km
- MAUCH-HENKE UNIT
1,038 bbl · 1 km
- MAUCH-KRUEGER UNIT
0 bbl · 1 km
Drilling permits within 10 km
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new drill · horizontal · Marathon Oil Ef LLC · Atascosa County · 1 km
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Permit 0915292 · May 6, 2026
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Permit 0915290 · May 4, 2026
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