Texas gas well
ProducingMARK KATZFEY 01
Mark Katzfey 01 is a gas well in Live Oak County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.
1 well
- Operator
- Marathon Oil Ef LLC
- County
- Live Oak County
- RRC lease
- 02-259685
Is your check right?
Where it sits
This county
- Gas in Jul 2026
- 4,360 mcf
- Reporting since
- Jan 2020
Production by month
Gas output rose 5% over the last 12 months
- Gas (bars)
- Last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Where the gas went
All of the gas went to a processing plant in the last 12 months
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Who has run this lease
The operator changed once, most recently in Mar 2023
- Marathon Oil Ef LLC Mar 2023 to now
- Ensign Operating LLC Jan 2020 to Feb 2023
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-297-34871 | 01H | Active |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Enterprise Crude Oil LLC | Condensate | Gathers | 50 | Mar 1, 2023 | – |
| Enterprise Crude Pipeline LLC | Condensate | Gathers | 25 | Oct 27, 2023 | – |
| Gulfmark Energy, Inc. | Condensate | Gathers | 25 | Oct 27, 2023 | – |
| Marathon Oil Ef LLC | Gas-well gas | Buys | 100 | Mar 1, 2023 | – |
| Marathon Oil Ef LLC | Gas-well gas | Gathers | 100 | Mar 1, 2023 | – |
| Enterprise Crude Pipeline LLC | Condensate | Gathers | 50 | Mar 1, 2023 | Oct 27, 2023 |
| Gulfmark Energy, Inc. | Condensate | Gathers | 100 | Oct 2, 2019 | Mar 1, 2023 |
| Ensign Operating LLC | Gas-well gas | Gathers | 100 | Oct 2, 2019 | Mar 1, 2023 |
| Ensign Operating LLC | Gas-well gas | Buys | 100 | Oct 2, 2019 | Mar 1, 2023 |
| Ensign Operating LLC | Condensate | Gathers | 50 | Oct 1, 2019 | Oct 2, 2019 |
| Enterprise Crude Oil LLC | Condensate | Gathers | 25 | Oct 1, 2019 | Oct 2, 2019 |
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 | $25.40 | SEC filing |
SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.
Estimate your royalty
36 months, newest first
| Month | Gas producedmcf | Gas soldmcf, codes 2+3 | Flaredmcf | WTI$/bbl | Henry Hub$/MMBtu |
|---|---|---|---|---|---|
| Jul 2026Marathon Oil | 4,360 | 4,360 | 0 | $80.46 | $2.89 |
| Jun 2026Marathon Oil | 0 | 0 | 0 | $84.81 | $3.15 |
| May 2026Marathon Oil | 0 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Marathon Oil | 2,145 | 2,145 | 0 | $100.32 | $2.77 |
| Mar 2026Marathon Oil | 4,394 | 4,394 | 0 | $91.38 | $3.04 |
| Feb 2026Marathon Oil | 4,302 | 4,302 | 0 | $64.51 | $3.62 |
| Jan 2026Marathon Oil | 6,063 | 6,063 | 0 | $60.04 | $7.72 |
| Dec 2025Marathon Oil | 5,858 | 5,858 | 0 | $57.97 | $4.26 |
| Nov 2025Marathon Oil | 5,218 | 5,218 | 0 | $60.06 | $3.79 |
| Oct 2025Marathon Oil | 4,705 | 4,705 | 0 | $60.89 | $3.19 |
| Sep 2025Marathon Oil | 4,822 | 4,822 | 0 | $63.96 | $2.97 |
| Aug 2025Marathon Oil | 6,878 | 6,878 | 0 | $64.86 | $2.91 |
| Jul 2025Marathon Oil | 5,921 | 5,921 | 0 | $68.39 | $3.20 |
| Jun 2025Marathon Oil | 4,950 | 4,950 | 0 | $68.17 | $3.02 |
| May 2025Marathon Oil | 3,847 | 3,847 | 0 | $62.17 | $3.12 |
| Apr 2025Marathon Oil | 4,466 | 4,466 | 0 | $63.54 | $3.42 |
| Mar 2025Marathon Oil | 2,103 | 2,103 | 0 | $68.24 | $4.12 |
| Feb 2025Marathon Oil | 3,052 | 3,052 | 0 | $71.53 | $4.19 |
| Jan 2025Marathon Oil | 4,184 | 4,184 | 0 | $75.74 | $4.13 |
| Dec 2024Marathon Oil | 5,266 | 5,266 | 0 | $70.12 | $3.01 |
| Nov 2024Marathon Oil | 2,931 | 2,931 | 0 | $69.95 | $2.12 |
| Oct 2024Marathon Oil | 2,897 | 2,897 | 0 | $71.99 | $2.20 |
| Sep 2024Marathon Oil | 3,327 | 3,327 | 0 | $70.24 | $2.28 |
| Aug 2024Marathon Oil | 3,315 | 3,315 | 0 | $76.68 | $1.99 |
| Jul 2024Marathon Oil | 1,200 | 1,200 | 0 | $81.80 | $2.07 |
| Jun 2024Marathon Oil | 2,807 | 2,807 | 0 | $79.77 | $2.54 |
| May 2024Marathon Oil | 3,132 | 3,132 | 0 | $80.02 | $2.12 |
| Apr 2024Marathon Oil | 3,317 | 3,317 | 0 | $85.35 | $1.60 |
| Mar 2024Marathon Oil | 3,635 | 3,635 | 0 | $81.28 | $1.49 |
| Feb 2024Marathon Oil | 4,471 | 4,471 | 0 | $77.25 | $1.72 |
| Jan 2024Marathon Oil | 4,767 | 4,767 | 0 | $74.15 | $3.18 |
| Dec 2023Marathon Oil | 2,439 | 2,439 | 0 | $71.90 | $2.52 |
| Nov 2023Marathon Oil | 1,485 | 1,485 | 0 | $77.69 | $2.71 |
| Oct 2023Marathon Oil | 1,472 | 1,472 | 0 | $85.64 | $2.98 |
| Sep 2023Marathon Oil | 1,900 | 1,900 | 0 | $89.43 | $2.64 |
| Aug 2023Marathon Oil | 2,723 | 2,723 | 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 Live Oak County
- FRANK MALEK 05
20,735 mcf
- WILBUR EDEN 01
5,851 mcf
- THREE SISTERS 01
11,845 mcf
- HERREJON 01
20,783 mcf
- GERALD BURKE SCHULZ 01
18,936 mcf
- LIVE BEE 02
21,021 mcf
- TAYLOR-MASSENGALE ALLOCATION G
1,884 bbl
- SINOR RANCH 01
18,393 mcf
- SAN CHRISTOVAL RANCH UNIT C
4,474 mcf
- SCHULZ TRUST 01
16,999 mcf
Sugarkane (Eagle Ford) field
- MAY B UNIT
14,894 mcf
- CREWS UNIT
5,190 mcf
- WESSENDORFF 3-ESCONDIDO CREEK (S
17,790 mcf
- LIVE BEE 02
21,021 mcf
- NELLER GAS UNIT 1
11,221 mcf
- FALKS GAS UNIT 1
30,715 mcf
- HAVEMAN 01
16,019 mcf
- T BIRD UNIT
4,114 mcf
- LISKA 01
7,537 mcf
- DULLYE 01
8,735 mcf
Leases within 10 km
- WILLIAM HOLLAND 01
11,336 mcf · 2 km
- SR SCHULZ UNIT
0 mcf · 2.1 km
- BAYLOR UNIVERSITY 01
10,519 mcf · 2.3 km
- DAVID SAENZ 01
63,806 mcf · 2.8 km
- WIEDING 01
10,322 mcf · 4 km
- JOHN FRIEND WEBRE 01
9,193 mcf · 4.1 km
- YELLOW JACKET
1,055,202 mcf · 4.2 km
- YELLOW JACKET
1,176,715 mcf · 4.2 km
- DOVALINA GAS UNIT 1
0 mcf · 4.2 km
- FRANK MALEK 02
119,482 mcf · 4.4 km
Drilling permits within 10 km
F MALEK L-1893-KOER SA B #1
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 7.3 km
Permit 0917345 · Jul 28, 2026
F MALEK L-1893-KOER SA C #1
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 7.3 km
Permit 0917350 · Jul 24, 2026
F MALEK L-1893-KOER SA A #1
new drill · horizontal · Burlington Resources O & G Co LP · Live Oak County · 7.3 km
Permit 0917344 · Jul 24, 2026
THREE RIVERS UNIT G #6H
new drill · horizontal · Caturus Energy, LLC · Live Oak County · 8.6 km
Permit 0912340 · Jan 5, 2026
THREE RIVERS UNIT H #1H
new drill · horizontal · Caturus Energy, LLC · Live Oak County · 8.6 km
Permit 0912341 · Dec 22, 2025