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Texas oil lease

Producing

SONNY SEIFERT A

Sonny Seifert A is an oil lease in De Witt County, Texas, operated by BPX Operating Company in the Eagleville (Eagle Ford-2) field.

13 wells

895,543bbl oil, last 12 months+999% vs prior year
Operator
BPX Operating Company
County
De Witt County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10528

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Where it sits

This county

De Witt CountyDe WittGoliadWilsonLavacaGonzalesKarnesVictoriaGuadalupeDe Witt County
De Witt County
Gas, last 12 months
1,688,643 mcf
Oil in Jul 2026
29,009 bbl

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 oil wells on Jul 1, 2025.

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

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Production by month

Oil output rose 2,994% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 2,994% over the last 12 monthsMonthly oil production and gas for SONNY SEIFERT A, Aug 2023 to Jul 2026. Oil output rose 2,994% over the last 12 months. 895,543 bbl in the 12 months through Jul 2026, against 28,943 bbl in the 12 months before.Last 12 months: 895,543 bblbbl per monthmcf per month0050k100k100k200k150k300k200k400kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 2,994% over the last 12 monthsMonthly oil production and gas for SONNY SEIFERT A, Aug 2023 to Jul 2026. Oil output rose 2,994% over the last 12 months. 895,543 bbl in the 12 months through Jul 2026, against 28,943 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050k100k100k200k150k300k200k400kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuel

  • Processing plant (3)
  • Lease fuel (1)
Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuelShare of SONNY SEIFERT A gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2025: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuelShare of SONNY SEIFERT A gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2025 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Jul 25: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    99% · 1,672,743 mcf

  • Lease fuel (1)

    0.9% · 15,900 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., Jan 2020 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 20262020202120222023202420252026Changed Jul 2025Devon Energy Production Co, L…Jan 2020 to Jun 2025BPX Operating CompanyJul 2025 to now
Operators of this lease over timeDevon Energy Production Co, L.P., Jan 2020 to Jun 2025; BPX Operating Company, Jul 2025 to Jul 20262020202120222023202420252026Changed Jul 2025Devon Energy Production Co, L.P.Jan 2020 to Jun 2025BPX Operating CompanyJul 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

13 wells on this lease

Wells on SONNY SEIFERT A
API numberWell no.Status
42-123-328411HActive
42-123-328432HActive
42-123-328454HActive
42-123-328463HActive
42-123-328475HActive
42-123-328588HShut-in
42-123-328599HActive
42-123-3287610HActive
42-123-328776HShut-in
42-123-3287811HActive
42-123-328917HActive
42-123-3553414HActive
42-123-3553515HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCOilGathers20Jul 1, 2025–
Ngl Crude Assets and Mktg, LLCOilGathers20Jan 1, 2026–
Phillips 66 CompanyOilGathers20Jul 1, 2025–
Shell Trading (Us) CompanyOilGathers20Jul 1, 2025–
Gulfmark Energy, Inc.OilGathers10Jan 1, 2026–
Ptt Premier Trading and Tran LLCOilGathers10Jul 1, 2025–
Bp Energy Co.Casinghead gasBuys100Jul 1, 2025–
Bpx Eagleford Jv Holdings LLCCasinghead gasGathers100Jan 1, 2026–
Bpx (Eagle Ford) Gathering LLCCasinghead gasGathers100Jan 1, 2020Jan 1, 2026
Gulfmark Energy, Inc.OilGathers20Jul 1, 2025Jan 1, 2026
Ngl Crude Assets and Mktg, LLCOilGathers10Jul 1, 2025Jan 1, 2026
Devon Gas Services, L.p.Casinghead gasBuys100Jan 1, 2023Jul 1, 2025
Devon Gas Services, L.p.OilGathers10Jan 1, 2023Jul 1, 2025
Enterprise Crude Oil LLCOilGathers10Jan 1, 2023Jul 1, 2025

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

Who buys my oilOil price check

473.72 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 397.7 and 473.72 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    13 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • 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 Sonny Seifert A
API numberWell no.Acreson the permit
42-123-3553414H473.72
42-123-3553515H473.72
42-123-328917H473.72
42-123-328776H473.72
42-123-3287811H473.72
42-123-3287610H473.72
42-123-328599H473.72
42-123-328588H473.72
42-123-328454H473.72
42-123-328463H473.72
42-123-328475H473.72
42-123-328411H397.70

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

Unit decimal checker

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36 months, newest first

Ledger for SONNY SEIFERT A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026BPX Operating29,00929,06862,72662,6690$80.46$2.89
Jun 2026BPX Operating41,54641,485105,878105,8780$84.81$3.15
May 2026BPX Operating46,59846,649119,467116,0950$102.13$2.94
Apr 2026BPX Operating49,30049,378109,581106,9710$100.32$2.77
Mar 2026BPX Operating58,12758,127125,585122,6600$91.38$3.04
Feb 2026BPX Operating50,79350,699106,363103,7100$64.51$3.62
Jan 2026BPX Operating73,17472,944127,341124,6410$60.04$7.72
Dec 2025BPX Operating79,90780,057145,976145,9760$57.97$4.26
Nov 2025BPX Operating104,541104,659192,806191,3730$60.06$3.79
Oct 2025BPX Operating133,702133,598257,176257,1760$60.89$3.19
Sep 2025BPX Operating166,575166,728231,522231,5220$63.96$2.97
Aug 2025BPX Operating62,27162,599104,222104,0720$64.86$2.91
Jul 2025BPX Operating472688830$68.39$3.20
Jun 2025Devon Energy00500$68.17$3.02
May 2025Devon Energy1,8581,8593,3401,0860$62.17$3.12
Apr 2025Devon Energy1,9571,8853,8015280$63.54$3.42
Mar 2025Devon Energy2,8853,0227,6382,8960$68.24$4.12
Feb 2025Devon Energy2,8202,8425,4729690$71.53$4.19
Jan 2025Devon Energy3,1453,0319,0814,3750$75.74$4.13
Dec 2024Devon Energy3,2853,4897,8222,9770$70.12$3.01
Nov 2024Devon Energy3,2803,0015,7416350$69.95$2.12
Oct 2024Devon Energy2,9593,2125,32000$71.99$2.20
Sep 2024Devon Energy2,9692,7684,761250$70.24$2.28
Aug 2024Devon Energy3,3133,3455,2754450$76.68$1.99
Jul 2024Devon Energy3,0862,9725,1521730$81.80$2.07
Jun 2024Devon Energy2,7603,0025,40400$79.77$2.54
May 2024Devon Energy3,6623,5235,945170$80.02$2.12
Apr 2024Devon Energy3,3863,3685,854570$85.35$1.60
Mar 2024Devon Energy3,2323,1776,96700$81.28$1.49
Feb 2024Devon Energy2,8863,0105,94600$77.25$1.72
Jan 2024Devon Energy3,5673,6316,0214720$74.15$3.18
Dec 2023Devon Energy3,7093,4936,6791,3670$71.90$2.52
Nov 2023Devon Energy3,0463,0405,2484700$77.69$2.71
Oct 2023Devon Energy3,3593,4015,5033540$85.64$2.98
Sep 2023Devon Energy3,2353,1665,5838290$89.43$2.64
Aug 2023Devon Energy3,5443,7876,1411,3270$81.39$2.58

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

OperatorBPX Operating CompanyFieldEagleville (Eagle Ford-2)CountyDe Witt County

BPX Operating Company in De Witt County

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Eagleville (Eagle Ford-2) field

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