Texas oil lease
ProducingMANN, S. F.
Mann, S. F. is an oil lease in Gaines County, Texas, operated by Ctoc Energy, LLC in the Seminole (San Angelo) field.
2 wells
- Operator
- Ctoc Energy, LLC
- County
- Gaines County
- RRC lease
- 8A-05471
Is your check right?
Where it sits
This county
- Gas, last 12 months
- 1,077 mcf
- Oil in Jul 2026
- 1,058 bbl
Production by month
Oil output fell 9% 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
All of the gas went to lease fuel in the last 12 months
Flaring peaked at 57.1% of the gas in Aug 2023.
- Lease fuel (1)
- Flared (4)
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
Who has run this lease
The operator changed once, most recently in Jun 2026
- Ctoc Energy, LLC Jun 2026 to now
- Cross Timbers Energy, LLC Jan 2020 to May 2026
SourceTexas Railroad Commission Production Data Query, through Jul 2026.
2 wells on this lease
| API number | Well no. | Status |
|---|---|---|
| 42-165-02571 | 5 | Active |
| 42-165-34286 | 7 | Shut-in |
SourceTexas Railroad Commission Wellbore Query.
Buyers and gatherers
| Company | Product | Role | Share% | From | Until |
|---|---|---|---|---|---|
| Energy Transfer Marketing & Term | Oil | Gathers | 100 | Dec 1, 2022 | – |
| Sunoco Ptnrs. Mktg.&terminals LP | Oil | Gathers | 100 | Apr 1, 2015 | Dec 1, 2022 |
SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).
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 2026Ctoc Energy, | 1,058 | 910 | 90 | 0 | 0 | $80.46 | $2.89 |
| Jun 2026Ctoc Energy, | 1,280 | 1,444 | 90 | 0 | 0 | $84.81 | $3.15 |
| May 2026Cross Timbers | 1,406 | 1,256 | 94 | 0 | 0 | $102.13 | $2.94 |
| Apr 2026Cross Timbers | 892 | 947 | 90 | 0 | 0 | $100.32 | $2.77 |
| Mar 2026Cross Timbers | 1,040 | 1,283 | 94 | 0 | 0 | $91.38 | $3.04 |
| Feb 2026Cross Timbers | 1,035 | 1,449 | 84 | 0 | 0 | $64.51 | $3.62 |
| Jan 2026Cross Timbers | 1,219 | 1,080 | 94 | 0 | 0 | $60.04 | $7.72 |
| Dec 2025Cross Timbers | 1,356 | 1,070 | 94 | 0 | 0 | $57.97 | $4.26 |
| Nov 2025Cross Timbers | 1,372 | 1,113 | 90 | 0 | 0 | $60.06 | $3.79 |
| Oct 2025Cross Timbers | 1,541 | 1,705 | 94 | 0 | 0 | $60.89 | $3.19 |
| Sep 2025Cross Timbers | 959 | 867 | 69 | 0 | 0 | $63.96 | $2.97 |
| Aug 2025Cross Timbers | 1,275 | 1,306 | 94 | 0 | 0 | $64.86 | $2.91 |
| Jul 2025Cross Timbers | 1,245 | 1,142 | 94 | 0 | 0 | $68.39 | $3.20 |
| Jun 2025Cross Timbers | 1,242 | 1,476 | 90 | 0 | 0 | $68.17 | $3.02 |
| May 2025Cross Timbers | 1,338 | 1,115 | 94 | 0 | 0 | $62.17 | $3.12 |
| Apr 2025Cross Timbers | 1,355 | 1,497 | 90 | 0 | 0 | $63.54 | $3.42 |
| Mar 2025Cross Timbers | 1,424 | 1,522 | 217 | 0 | 124 | $68.24 | $4.12 |
| Feb 2025Cross Timbers | 1,268 | 1,120 | 196 | 0 | 112 | $71.53 | $4.19 |
| Jan 2025Cross Timbers | 1,360 | 1,348 | 217 | 0 | 124 | $75.74 | $4.13 |
| Dec 2024Cross Timbers | 1,223 | 1,154 | 217 | 0 | 124 | $70.12 | $3.01 |
| Nov 2024Cross Timbers | 1,415 | 1,655 | 210 | 0 | 120 | $69.95 | $2.12 |
| Oct 2024Cross Timbers | 1,306 | 1,294 | 217 | 0 | 124 | $71.99 | $2.20 |
| Sep 2024Cross Timbers | 1,325 | 1,315 | 210 | 0 | 120 | $70.24 | $2.28 |
| Aug 2024Cross Timbers | 1,363 | 1,312 | 217 | 0 | 124 | $76.68 | $1.99 |
| Jul 2024Cross Timbers | 1,265 | 1,299 | 217 | 0 | 124 | $81.80 | $2.07 |
| Jun 2024Cross Timbers | 1,254 | 1,305 | 210 | 0 | 120 | $79.77 | $2.54 |
| May 2024Cross Timbers | 1,160 | 1,327 | 217 | 0 | 124 | $80.02 | $2.12 |
| Apr 2024Cross Timbers | 815 | 764 | 210 | 0 | 120 | $85.35 | $1.60 |
| Mar 2024Cross Timbers | 822 | 765 | 217 | 0 | 124 | $81.28 | $1.49 |
| Feb 2024Cross Timbers | 338 | 190 | 203 | 0 | 116 | $77.25 | $1.72 |
| Jan 2024Cross Timbers | 847 | 930 | 217 | 0 | 124 | $74.15 | $3.18 |
| Dec 2023Cross Timbers | 821 | 953 | 217 | 0 | 124 | $71.90 | $2.52 |
| Nov 2023Cross Timbers | 772 | 934 | 210 | 0 | 120 | $77.69 | $2.71 |
| Oct 2023Cross Timbers | 783 | 740 | 217 | 0 | 124 | $85.64 | $2.98 |
| Sep 2023Cross Timbers | 811 | 933 | 210 | 0 | 120 | $89.43 | $2.64 |
| Aug 2023Cross Timbers | 887 | 894 | 217 | 0 | 124 | $81.39 | $2.58 |
Flared above 3%
SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.
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Nearby
This lease belongs to
Seminole (San Angelo) field
- MANN, S. F.
13,905 bbl
- AVERITT "A"
10,679 bbl
- AVERITT, S. J.
6,917 bbl
- AVERITT, S. J.
4,996 bbl
- RILEY, T. S.
1,909 bbl
Leases within 10 km
- SEMINOLE SAN ANDRES UNIT
7,370,234 bbl · 0.2 km
- MANN, S. F.
13,905 bbl · 0.3 km
- MANN
0 bbl · 0.4 km
- S. F. MANN GAS UNIT
0 mcf · 0.6 km
- AVERITT, S. J.
4,996 bbl · 0.8 km
- MANN GAS UNIT
0 mcf · 0.9 km
- AVERITT "A"
10,679 bbl · 1 km
- AVERITT, S. J.
6,917 bbl · 1.2 km
- RILEY, T. S.
1,909 bbl · 1.4 km
- T. S. RILEY 'B' GAS UNIT
0 mcf · 1.6 km
Drilling permits within 10 km
SEMINOLE SAN ANDRES UNIT #3522
recompletion · OXY USA Inc. · Gaines County · 3.9 km
Permit 0918905 · Sep 25, 2026
SEMINOLE SAN ANDRES UNIT #3405
recompletion · OXY USA Inc. · Gaines County · 3.4 km
Permit 0918563 · Sep 14, 2026
SEMINOLE SAN ANDRES UNIT #3504
recompletion · OXY USA Inc. · Gaines County · 4 km
Permit 0917992 · Aug 21, 2026
SEMINOLE SAN ANDRES UNIT #3529
recompletion · OXY USA Inc. · Gaines County · 3.1 km
Permit 0917963 · Aug 20, 2026
SEMINOLE SAN ANDRES UNIT #1004
recompletion · OXY USA Inc. · Gaines County · 7.2 km
Permit 0917892 · Aug 18, 2026