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Texas oil lease

Producing

BIG SONNY

Big Sonny is an oil lease in Dimmit County, Texas, operated by CML Exploration, LLC in the Pearsall (Austin Chalk) field.

1 well

594bbl oil, last 12 months−49% vs prior year
RRC lease
01-18625

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Where it sits

This county

Dimmit CountyDimmitLA SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
8,444 mcf
Oil in Jul 2026
63 bbl

Production by month

Oil output fell 49% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 49% over the last 12 monthsMonthly oil production and gas for BIG SONNY, Aug 2023 to Jul 2026. Oil output fell 49% over the last 12 months. 594 bbl in the 12 months through Jul 2026, against 1,169 bbl in the 12 months before.Last 12 months: 594 bblbbl per monthmcf per month001002502005003007504001,0005001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 49% over the last 12 monthsMonthly oil production and gas for BIG SONNY, Aug 2023 to Jul 2026. Oil output fell 49% over the last 12 months. 594 bbl in the 12 months through Jul 2026, against 1,169 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002502005003007504001,0005001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

84% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
84% of the gas went to a transmission line in the last 12 monthsShare of BIG SONNY gas by disposition code each month, Aug 2023 to Jul 2026. 84% of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
84% of the gas went to a transmission line in the last 12 monthsShare of BIG SONNY gas by disposition code each month, Aug 2023 to Jul 2026. 84% of the gas went to a transmission line in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    84% · 7,116 mcf

  • Lease fuel (1)

    16% · 1,328 mcf

1 well on this lease

Wells on BIG SONNY
API numberWell no.Status
42-127-369721Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCOilGathers100May 1, 2023–
Enterprise Gc LLCCasinghead gasBuys100Jun 27, 2015–
Enterprise Products Operating LLCCasinghead gasGathers100Jun 27, 2015–
Gulfmark Energy, Inc.OilGathers50Oct 1, 2022May 1, 2023
Mission Petroleum Carriers, Inc.OilGathers50Oct 1, 2022May 1, 2023
Shell Trading (Us) CompanyOilGathers100Oct 1, 2019Oct 1, 2022
Flint Hills Resources, LPOilGathers100Jun 27, 2015Oct 1, 2019

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

320 acres on the newest permit

Permits for Big Sonny
API numberWell no.Acreson the permit
42-127-369721320

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for BIG SONNY
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266304673790$80.46$2.89
Jun 2026113122540$84.81$3.15
May 2026205324220$102.13$2.94
Apr 202611206055200$100.32$2.77
Mar 202681724794010$91.38$3.04
Feb 20268929297890$64.51$3.62
Jan 20261041899077860$60.04$7.72
Dec 20256007516830$57.97$4.26
Nov 20252306726120$60.06$3.79
Oct 20252008056690$60.89$3.19
Sep 20255908947250$63.96$2.97
Aug 2025531671,0918760$64.86$2.91
Jul 20254311,0788700$68.39$3.20
Jun 20251431881,0798730$68.17$3.02
May 20257116395090$62.17$3.12
Apr 20252806475400$63.54$3.42
Mar 20251121879688440$68.24$4.12
Feb 20256407546360$71.53$4.19
Jan 2025851758527840$75.74$4.13
Dec 20241891746956400$70.12$3.01
Nov 20241451845354630$69.95$2.12
Oct 202410505424940$71.99$2.20
Sep 2024981799368060$70.24$2.28
Aug 20248608496890$76.68$1.99
Jul 20241871634623690$81.80$2.07
Jun 2024174176000$79.77$2.54
May 2024327369000$80.02$2.12
Apr 2024208189000$85.35$1.60
Mar 202491188000$81.28$1.49
Feb 2024150190000$77.25$1.72
Jan 2024720000$74.15$3.18
Dec 2023132189000$71.90$2.52
Nov 20231642000$77.69$2.71
Oct 202344168000$85.64$2.98
Sep 202372184000$89.43$2.64
Aug 2023303181000$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

CML Exploration, LLC in Dimmit County

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Pearsall (Austin Chalk) field

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