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Texas gas well

Producing

SEIFERT B-SEIFERT C SA 1

Seifert B-Seifert C Sa 1 is a gas well in Karnes County, Texas, operated by BPX Operating Company in the Eagleville (Eagle Ford-2) field.

Gas well dossier

147,253mcf gas, last 12 months−60% vs prior year
Operator
BPX Operating Company
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-297619

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
24,463 bbl
Gas in Jul 2026
7,715 mcf

Checks stopped on this lease?

  • Operator

    Operator changed: BPX Operating Company took over from Devon Energy Production Co, L.P. in Jul 2025.

  • Buyer

    Buyer changed: BP ENERGY CO. replaced DEVON GAS SERVICES, L.P. as the buyer of this lease's gas from gas wells on Jul 1, 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Gas output fell 60% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 60% over the last 12 monthsMonthly gas production and oil for SEIFERT B-SEIFERT C SA 1, Apr 2024 to Jul 2026. Gas output fell 60% over the last 12 months. 147,253 mcf in the 12 months through Jul 2026, against 363,677 mcf in the 12 months before.Last 12 months: 147,253 mcfmcf per monthbbl per month0025k10k50k20k75k30k100k40k125k50kApr 24JulOctJan 25AprJulOctJan 26AprJul
Gas output fell 60% over the last 12 monthsMonthly gas production and oil for SEIFERT B-SEIFERT C SA 1, Apr 2024 to Jul 2026. Gas output fell 60% over the last 12 months. 147,253 mcf in the 12 months through Jul 2026, against 363,677 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0025k10k50k20k75k30k100k40k125k50kJul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

89% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
89% of the gas went to a processing plant in the last 12 monthsShare of SEIFERT B-SEIFERT C SA 1 gas by disposition code each month, Apr 2024 to Jul 2026. 89% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Apr 24JulOctJan 25AprJulOctJan 26AprJul
89% of the gas went to a processing plant in the last 12 monthsShare of SEIFERT B-SEIFERT C SA 1 gas by disposition code each month, Apr 2024 to Jul 2026. 89% of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jul 24Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    89% · 131,324 mcf

  • Lease fuel (1)

    11% · 15,929 mcf

Who has run this lease

The operator changed once, most recently in Jul 2025

Operators of this lease over timeDevon Energy Production Co, L.P., Apr 2024 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 202620252026Changed Jul 2025Devon Energy Production Co, L…Apr 2024 to Jun 2025BPX Operating CompanyJul 2025 to now
Operators of this lease over timeDevon Energy Production Co, L.P., Apr 2024 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 202620252026Changed Jul 2025Devon Energy Production Co, L.P.Apr 2024 to Jun 2025BPX Operating CompanyJul 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCCondensateGathers20Jul 1, 2025–
Ngl Crude Assets and Mktg, LLCCondensateGathers20Jan 1, 2026–
Phillips 66 CompanyCondensateGathers20Jul 1, 2025–
Shell Trading (Us) CompanyCondensateGathers20Jul 1, 2025–
Gulfmark Energy, Inc.CondensateGathers10Jan 1, 2026–
Ptt Premier Trading and Tran LLCCondensateGathers10Jul 1, 2025–
Bp Energy Co.Gas-well gasBuys100Jul 1, 2025–
Bpx Eagleford Jv Holdings LLCGas-well gasGathers100Jan 1, 2026–
Gulfmark Energy, Inc.CondensateGathers20Jul 1, 2025Jan 1, 2026
Ngl Crude Assets and Mktg, LLCCondensateGathers10Jul 1, 2025Jan 1, 2026
Bpx (Eagle Ford) Gathering LLCGas-well gasGathers100Apr 11, 2024Jan 1, 2026
Devon Gas Services, L.p.CondensateGathers10Apr 11, 2024Jul 1, 2025
Enterprise Crude Oil LLCCondensateGathers10Apr 11, 2024Jul 1, 2025
Gulfmark Energy, Inc.CondensateGathers10Apr 11, 2024Jul 1, 2025

SourceRailroad Commission Form P-4 file, Sep 24, 2026 (source).

Who buys my oilOil price check

1,177.28 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.

Check your decimal on this lease
Permits for Seifert B-Seifert C Sa 1
API numberWell no.Acreson the permit
42-255-378401H1,177.28

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

Estimate your royalty

28 months, newest first

Ledger for SEIFERT B-SEIFERT C SA 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026BPX Operating1,6521,6807,7156,7670$80.46$2.89
Jun 2026BPX Operating1,6101,5529,6618,4840$84.81$3.15
May 2026BPX Operating2,1422,16110,7429,3660$102.13$2.94
Apr 2026BPX Operating2,3252,32511,0959,3320$100.32$2.77
Mar 2026BPX Operating2,2722,27511,1309,5040$91.38$3.04
Feb 2026BPX Operating1,9031,8779,7888,5530$64.51$3.62
Jan 2026BPX Operating1,6351,65811,99010,4100$60.04$7.72
Dec 2025BPX Operating1,8601,82512,13212,1320$57.97$4.26
Nov 2025BPX Operating1,9341,96514,24212,7290$60.06$3.79
Oct 2025BPX Operating2,3142,29115,79414,2120$60.89$3.19
Sep 2025BPX Operating2,2312,23315,49114,0230$63.96$2.97
Aug 2025BPX Operating2,5852,59717,47315,8120$64.86$2.91
Jul 2025BPX Operating2,7812,83519,22217,6360$68.39$3.20
Jun 2025Devon Energy3,9423,95522,01920,3730$68.17$3.02
May 2025Devon Energy4,4254,43421,95620,3040$62.17$3.12
Apr 2025Devon Energy5,5225,47924,79222,9990$63.54$3.42
Mar 2025Devon Energy4,9935,06619,77918,2190$68.24$4.12
Feb 2025Devon Energy5,6815,62722,48921,2170$71.53$4.19
Jan 2025Devon Energy6,1736,14525,02023,2740$75.74$4.13
Dec 2024Devon Energy7,5527,69730,48828,7830$70.12$3.01
Nov 2024Devon Energy9,2059,20535,72933,9680$69.95$2.12
Oct 2024Devon Energy10,82510,63142,98340,9890$71.99$2.20
Sep 2024Devon Energy12,43012,40246,85745,1440$70.24$2.28
Aug 2024Devon Energy15,47615,47652,34350,9490$76.68$1.99
Jul 2024Devon Energy20,51920,51959,65559,4750$81.80$2.07
Jun 2024Devon Energy25,52725,52779,25079,0870$79.77$2.54
May 2024Devon Energy40,35440,354115,580115,3690$80.02$2.12
Apr 2024Devon Energy23,38623,38666,37866,2520$85.35$1.60

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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This lease belongs to

OperatorBPX Operating CompanyFieldEagleville (Eagle Ford-2)CountyKarnes County

BPX Operating Company in Karnes County

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Eagleville (Eagle Ford-2) field

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