Texas oil lease
ProducingB. DUPNIK A-H. BROWN PSA
B. Dupnik A-H. Brown Psa is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.
1 well
- Operator
- Marathon Oil Ef LLC
- County
- Karnes County
- RRC lease
- 02-11547
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 3,445 mcf
- Oil in Jul 2026
- 0 bbl
Production by month
Oil output fell 63% 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
91% of the gas went to a processing plant in the last 12 months
- Processing plant (3)
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Processing plant (3)
91% · 16,255 mcf
Lease fuel (1)
8.8% · 1,573 mcf
Flared (4)
0.4% · 77 mcf
0.4% of the gas flared in the last 12 months. No month above 3%.
1 well on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-255-35880 | 1H | Active |
SourceTexas Railroad Commission Wellbore Query.
499.38 acres on the newest permit
- 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 |
|---|---|---|---|---|
| 42-255-35880 | 1H | Apr 13, 2018 | Aug 16, 2018 | 499.38 |
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 | 0 | 2 | 0 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026 | 285 | 283 | 132 | 117 | 0 | $84.81 | $3.15 |
| May 2026 | 0 | 0 | 0 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026 | 0 | 0 | 0 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026 | 0 | 2 | 0 | 0 | 0 | $91.38 | $3.04 |
| Feb 2026 | 169 | 169 | 31 | 28 | 0 | $64.51 | $3.62 |
| Jan 2026 | 245 | 257 | 1,556 | 1,382 | 7 | $60.04 | $7.72 |
| Dec 2025 | 1,757 | 1,747 | 1,440 | 1,253 | 12 | $57.97 | $4.26 |
| Nov 2025 | 416 | 412 | 286 | 254 | 2 | $60.06 | $3.79 |
| Oct 2025 | 0 | 0 | 0 | 0 | 0 | $60.89 | $3.19 |
| Sep 2025 | 0 | 0 | 0 | 0 | 0 | $63.96 | $2.97 |
| Aug 2025 | 0 | 0 | 0 | 0 | 0 | $64.86 | $2.91 |
| Jul 2025 | 0 | 4 | 0 | 0 | 0 | $68.39 | $3.20 |
| Jun 2025 | 563 | 564 | 1,444 | 1,310 | 11 | $68.17 | $3.02 |
| May 2025 | 877 | 877 | 2,021 | 1,832 | 16 | $62.17 | $3.12 |
| Apr 2025 | 1,199 | 1,198 | 2,567 | 2,335 | 9 | $63.54 | $3.42 |
| Mar 2025 | 986 | 989 | 1,546 | 1,395 | 4 | $68.24 | $4.12 |
| Feb 2025 | 1,406 | 1,409 | 1,435 | 1,297 | 3 | $71.53 | $4.19 |
| Jan 2025 | 1,411 | 1,401 | 890 | 811 | 3 | $75.74 | $4.13 |
| Dec 2024 | 0 | 0 | 0 | 0 | 0 | $70.12 | $3.01 |
| Nov 2024 | 0 | 0 | 0 | 0 | 0 | $69.95 | $2.12 |
| Oct 2024 | 0 | 0 | 0 | 0 | 0 | $71.99 | $2.20 |
| Sep 2024 | 0 | 11 | 0 | 0 | 0 | $70.24 | $2.28 |
| Aug 2024 | 1,349 | 1,345 | 4,557 | 4,241 | 10 | $76.68 | $1.99 |
| Jul 2024 | 1,694 | 1,696 | 6,070 | 5,626 | 10 | $81.80 | $2.07 |
| Jun 2024 | 1,983 | 1,980 | 5,148 | 4,764 | 9 | $79.77 | $2.54 |
| May 2024 | 998 | 994 | 1,228 | 1,138 | 3 | $80.02 | $2.12 |
| Apr 2024 | 481 | 486 | 284 | 256 | 3 | $85.35 | $1.60 |
| Mar 2024 | 1,415 | 1,418 | 4,516 | 4,165 | 16 | $81.28 | $1.49 |
| Feb 2024 | 1,744 | 1,739 | 3,951 | 3,772 | 8 | $77.25 | $1.72 |
| Jan 2024 | 1,122 | 1,123 | 1,617 | 1,536 | 5 | $74.15 | $3.18 |
| Dec 2023 | 1,475 | 1,477 | 1,061 | 1,007 | 4 | $71.90 | $2.52 |
| Nov 2023 | 728 | 722 | 783 | 742 | 4 | $77.69 | $2.71 |
| Oct 2023 | 638 | 636 | 579 | 552 | 1 | $85.64 | $2.98 |
| Sep 2023 | 0 | 4 | 0 | 0 | 0 | $89.43 | $2.64 |
| Aug 2023 | 1,122 | 1,131 | 2,125 | 2,016 | 2 | $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 Karnes County
- KENNEDY
10,102 mcf
- LUNA UNIT
16,855 mcf
- WARNER 01
3,468 mcf
- MOBIL UNIT D AC
25,577 mcf
- SAN CHRISTOVAL RANCH UNIT E
28,235 mcf
- BEST-FENNER UNIT AC
2,821 bbl
- BEAM HEDTKE UNIT
2,974 bbl
- KENNEDY
20,162 mcf
- BAILEY-RETZLOFF UNIT
10,187 mcf
- HANDY 02
10,667 mcf
Eagleville (Eagle Ford-2) field
- KORTH VICKERS C-D USW B
2,626 bbl
- STEELE PARTNERS B
18,032 mcf
- HINZE UNIT
14,304 mcf
- BEAM HEDTKE UNIT
2,974 bbl
- H MUELLER UNIT A
2,901 bbl
- DROMGOOLE "A" UNIT
6,948 mcf
- CARAWAY UNIT
2,679 bbl
- HOPSON UNIT
2,961 bbl
- DROMGOOLE 'B' UNIT
315 mcf
- TARGAC UNIT
2,951 bbl
Leases within 10 km
- BROWN DUPNIK B-A PSA
12,586 bbl · 0 km
- HOLLAND-BROWN UNIT
25,557 bbl · 0 km
- BUEHRING UNIT
27,311 bbl · 0.3 km
- BROWN-DUPNIK A UNIT
1,554 bbl · 0.5 km
- GILLEY UNIT
19,036 bbl · 0.5 km
- BROWN-DUPNIK B UNIT
19,477 bbl · 0.6 km
- ADAMS-TIPTON UNIT
53,480 bbl · 0.7 km
- KIMBLE-GILLEY UNIT
8,735 bbl · 0.8 km
- KIMBLE-GILLEY GILLEY SA
32,449 bbl · 0.8 km
- BRYSCH ADAMS-BRYSCH JONAS C SA1
75,678 bbl · 0.8 km
Drilling permits within 10 km
JOHNSON-FORISTER USW F #1
new drill · horizontal · Burlington Resources O & G Co LP · Karnes County · 9 km
Permit 0916195 · Jul 6, 2026
JOHN-FOR-FLY USW E #1
new drill · horizontal · Burlington Resources O & G Co LP · Karnes County · 9 km
Permit 0916194 · Jul 6, 2026
JOHNSON-FORISTER SA G #1
new drill · horizontal · Burlington Resources O & G Co LP · Karnes County · 9.1 km
Permit 0916276 · Jun 10, 2026
JOHNSON-FORISTER SA F #3
new drill · horizontal · Burlington Resources O & G Co LP · Karnes County · 9 km
Permit 0916275 · Jun 10, 2026
WESTON-PMT SA C #1
new drill · horizontal · Marathon Oil Ef LLC · Karnes County · 9.9 km
Permit 0916008 · Jun 9, 2026