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Producing

STATE BIG TEX SOUTH 781615-143

State Big Tex South 781615-143 is an oil lease in Pecos County, Texas, operated by Swordfish Energy Operating, LLC in the Phantom (Wolfcamp) field.

1 well

34,197bbl oil, last 12 months−13% vs prior year
Operator
Swordfish Energy Operating, LLC
County
Pecos County
Field
Phantom (Wolfcamp)
RRC lease
08-52938

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Where it sits

This county

Pecos CountyPecosUptonCranePecos County
Pecos County
Gas, last 12 months
45,565 mcf
Oil in Jul 2026
2,627 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Swordfish Energy Operating, LLC took over from Pecos River Exploration, LLC in Jul 2025.

  • P-5

    The previous operator's P-5 registration is listed as inactive since Nov 26, 2025 (last P-5 filed Dec 13, 2024).

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

See why checks stop on this lease

Production by month

Oil output fell 13% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for STATE BIG TEX SOUTH 781615-143, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 34,197 bbl in the 12 months through Jul 2026, against 39,492 bbl in the 12 months before.Last 12 months: 34,197 bblbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,0005,00010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 13% over the last 12 monthsMonthly oil production and gas for STATE BIG TEX SOUTH 781615-143, Aug 2023 to Jul 2026. Oil output fell 13% over the last 12 months. 34,197 bbl in the 12 months through Jul 2026, against 39,492 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,0002,0004,0003,0006,0004,0008,0005,00010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

92% of the gas went to a processing plant in the last 12 months

Flaring peaked at 28.1% of the gas in Sep 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
92% of the gas went to a processing plant in the last 12 monthsShare of STATE BIG TEX SOUTH 781615-143 gas by disposition code each month, Aug 2023 to Jul 2026. 92% of the gas went to a processing plant in the last 12 months. Flaring peaked at 28.1% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 28.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
92% of the gas went to a processing plant in the last 12 monthsShare of STATE BIG TEX SOUTH 781615-143 gas by disposition code each month, Aug 2023 to Jul 2026. 92% of the gas went to a processing plant in the last 12 months. Flaring peaked at 28.1% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Flared 28.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    92% · 41,944 mcf

  • Flared (4)

    6.8% · 3,082 mcf

  • Lease fuel (1)

    1.2% · 539 mcf

6.8% of the gas flared in the last 12 months. 10 months above 3%.

Who has run this lease

The operator changed 3 times, most recently in Jul 2025

Operators of this lease over timeJagged Peak Energy LLC, Jan 2020 to Feb 2020; Parsley Energy Operations, LLC, Mar 2020 to Nov 2020; Pecos River Exploration, LLC, Dec 2020 to Jun 2025; Swordfish Energy Operating, LLC, Jul 2025 to Jul 20262020202120222023202420252026Changed Mar 2020Changed Dec 2020Changed Jul 2025Jagged Peak Energy LLCJan 2020 to Feb 2020Parsley Energy Operations, LLCMar 2020 to Nov 2020Pecos River Exploration, LLCDec 2020 to Jun 2025Swordfish Energy Operating, L…Jul 2025 to now
Operators of this lease over timeJagged Peak Energy LLC, Jan 2020 to Feb 2020; Parsley Energy Operations, LLC, Mar 2020 to Nov 2020; Pecos River Exploration, LLC, Dec 2020 to Jun 2025; Swordfish Energy Operating, LLC, Jul 2025 to Jul 20262020202120222023202420252026Changed Mar 2020Changed Dec 2020Changed Jul 2025Jagged Peak Energy LLCJan 2020 to Feb 2020Parsley Energy Operations, LLCMar 2020 to Nov 2020Pecos River Exploration, LLCDec 2020 to Jun 2025Swordfish Energy Operating, LLCJul 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on STATE BIG TEX SOUTH 781615-143
API numberWell no.Status
42-371-3985111HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers100Oct 1, 2023–
Brazos Midstream Operating, LLCCasinghead gasBuys100Mar 1, 2020–
Brazos Midstream Operating, LLCCasinghead gasGathers100Mar 1, 2020–
Oasis Transp & Marketing Corp.OilGathers25Aug 15, 2023Oct 1, 2023
Transoil Marketing, LLCOilGathers75Aug 15, 2023Oct 1, 2023
Oryx Delaware Oil Transport LLCOilGathers100Mar 1, 2020Aug 15, 2023

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

Who buys my oilOil price check

1,292.25 acres on the newest permit

  • 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 State Big Tex South 781615-143
API numberWell no.Acreson the permit
42-371-3985111H1,292.25

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for STATE BIG TEX SOUTH 781615-143
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Swordfish Energy2,6272,6514,3363,913423$80.46$2.89
Jun 2026Swordfish Energy2,6932,7464,4203,986434$84.81$3.15
May 2026Swordfish Energy2,7352,5884,0644,03826$102.13$2.94
Apr 2026Swordfish Energy2,5852,7013,7793,7790$100.32$2.77
Mar 2026Swordfish Energy2,8282,9624,1094,09019$91.38$3.04
Feb 2026Swordfish Energy2,7532,8044,2254,20421$64.51$3.62
Jan 2026Swordfish Energy3,0842,8614,4984,36821$60.04$7.72
Dec 2025Swordfish Energy3,0123,0203,7803,7090$57.97$4.26
Nov 2025Swordfish Energy2,6662,6662,8912,85536$60.06$3.79
Oct 2025Swordfish Energy3,8983,9543,7112,715874$60.89$3.19
Sep 2025Swordfish Energy2,5392,4622,8101,902789$63.96$2.97
Aug 2025Swordfish Energy2,7772,6572,9422,385439$64.86$2.91
Jul 2025Swordfish Energy2,3182,4184,3134,3130$68.39$3.20
Jun 2025Pecos River3,1053,1364,9434,9376$68.17$3.02
May 2025Pecos River3,1073,1335,2165,2160$62.17$3.12
Apr 2025Pecos River3,4383,4695,4705,4619$63.54$3.42
Mar 2025Pecos River2,4142,3743,2143,2103$68.24$4.12
Feb 2025Pecos River3,2313,3278,3948,3940$71.53$4.19
Jan 2025Pecos River3,7373,6079,2929,24646$75.74$4.13
Dec 2024Pecos River3,6703,6899,4469,41531$70.12$3.01
Nov 2024Pecos River3,9033,9788,6278,58344$69.95$2.12
Oct 2024Pecos River4,8824,8126,9706,9700$71.99$2.20
Sep 2024Pecos River2,2022,2542,4762,41660$70.24$2.28
Aug 2024Pecos River3,4853,4254,1294,10722$76.68$1.99
Jul 2024Pecos River3,4183,4343,8603,8600$81.80$2.07
Jun 2024Pecos River3,5113,4923,4103,177233$79.77$2.54
May 2024Pecos River2,0222,1132,7212,572149$80.02$2.12
Apr 2024Pecos River3,5573,6745,2685,24028$85.35$1.60
Mar 2024Pecos River3,8453,6585,3725,3660$81.28$1.49
Feb 2024Pecos River2,5192,5264,8094,72782$77.25$1.72
Jan 2024Pecos River4,1324,1617,9437,815128$74.15$3.18
Dec 2023Pecos River4,8744,8149,6939,6831$71.90$2.52
Nov 2023Pecos River3,0403,1358,0848,0820$77.69$2.71
Oct 2023Pecos River3,0703,0293,2153,019196$85.64$2.98
Sep 2023Pecos River4,8124,6903,8803,589291$89.43$2.64
Aug 2023Pecos River05223221$81.39$2.58

Flared above 3%

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

OperatorSwordfish Energy Operating, LLCFieldPhantom (Wolfcamp)CountyPecos County

Swordfish Energy Operating, LLC in Pecos County

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Phantom (Wolfcamp) field

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