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Texas gas well

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SAN AMBROSIA F (SA21) 15

San Ambrosia F (Sa21) 15 is a gas well in Webb County, Texas, operated by SM Energy Company in the Briscoe Ranch (Eagleford) field.

1 well

2,459mcf gas, last 12 months−36% vs prior year
Operator
SM Energy Company
County
Webb County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-280948

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Where it sits

This county

Webb CountyWebbLa SalleDimmitWebb County
Webb County
Oil, last 12 months
359 bbl
Gas in Jul 2026
0 mcf

Checks stopped on this lease?

  • Sales

    No sales reported for the last 8 months of state data (through Jul 2026).

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 36% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 36% over the last 12 monthsMonthly gas production and oil for SAN AMBROSIA F (SA21) 15, Aug 2023 to Jul 2026. Gas output fell 36% over the last 12 months. 2,459 mcf in the 12 months through Jul 2026, against 3,823 mcf in the 12 months before.Last 12 months: 2,459 mcfmcf per monthbbl per month005002001,0004001,5006002,000800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 36% over the last 12 monthsMonthly gas production and oil for SAN AMBROSIA F (SA21) 15, Aug 2023 to Jul 2026. Gas output fell 36% over the last 12 months. 2,459 mcf in the 12 months through Jul 2026, against 3,823 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month005002001,0004001,5006002,000800Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

95% of the gas went to a transmission line in the 9 months reported

  • Transmission line (2)
  • Lease fuel (1)
95% of the gas went to a transmission line in the 9 months reportedShare of SAN AMBROSIA F (SA21) 15 gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a transmission line in the 9 months reported.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
95% of the gas went to a transmission line in the 9 months reportedShare of SAN AMBROSIA F (SA21) 15 gas by disposition code each month, Aug 2023 to Jul 2026. 95% of the gas went to a transmission line in the 9 months reported.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 5,998 mcf

  • Lease fuel (1)

    4.5% · 284 mcf

1 well on this lease

Wells on SAN AMBROSIA F (SA21) 15
API numberWell no.Status
42-479-432955HShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Marketing & Trading, LLCCondensateGathers25Dec 1, 2022–
Plains Marketing, L.p.CondensateGathers25Dec 1, 2022–
Regency Texas Pipeline LLCCondensateGathers25Dec 1, 2022–
Shell Trading (Us) CompanyCondensateGathers25Dec 1, 2022–
Energy Transfer CompanyGas-well gasBuys50Dec 1, 2022–
Kinder Morgan Texas Pipeline LLCGas-well gasBuys50Dec 1, 2022–
Eagle Ford Gathering LLCGas-well gasGathers50Dec 1, 2022–
Energy Transfer CompanyGas-well gasGathers50Dec 1, 2022–
Plains Marketing, L.p.CondensateGathers34Nov 1, 2020Dec 1, 2022
Regency Texas Pipeline LLCCondensateGathers33Nov 1, 2020Dec 1, 2022
Shell Trading (Us) CompanyCondensateGathers33Nov 1, 2020Dec 1, 2022
Eagle Ford Gathering LLCGas-well gasGathers33Nov 15, 2015Dec 1, 2022
Energy Transfer CompanyGas-well gasGathers34Nov 15, 2015Dec 1, 2022
Kinder Morgan Texas Pipeline LLCGas-well gasGathers33Nov 15, 2015Dec 1, 2022

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

Who buys my oilOil price check

9,343.24 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 San Ambrosia F (Sa21) 15
API numberWell no.Acreson the permit
42-479-432955H9,343.24

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

Unit decimal checker

What SM Energy Company told investors it received

SM Energy Company is linked to SM Energy Company (SM).
Realized prices reported by SM Energy Company
QuarterOil$ per bblFiling
Q2 2026$96.85SEC filing
Q1 2026$73.69SEC filing
Q4 2025$58.17SEC filing
Q3 2025–SEC filing
Q2 2025$62.04SEC filing
Q1 2025$70.56SEC filing

SourceSM Energy Company quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for SAN AMBROSIA F (SA21) 15
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202503000$57.97$4.26
Nov 202560625255140$60.06$3.79
Oct 20251201198828440$60.89$3.19
Sep 202583854654440$63.96$2.97
Aug 2025961055875580$64.86$2.91
Jul 20252452521,3421,2760$68.39$3.20
Jun 20255014911,2041,1450$68.17$3.02
May 20251521493673490$62.17$3.12
Apr 20251461388968540$63.54$3.42
Mar 202504000$68.24$4.12
Feb 2025777314140$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202400000$71.99$2.20
Sep 202400000$70.24$2.28
Aug 202400000$76.68$1.99
Jul 202400000$81.80$2.07
Jun 202400000$79.77$2.54
May 202400000$80.02$2.12
Apr 202401000$85.35$1.60
Mar 20242019000$81.28$1.49
Feb 202400000$77.25$1.72
Jan 202400000$74.15$3.18
Dec 202300000$71.90$2.52
Nov 202300000$77.69$2.71
Oct 202300000$85.64$2.98
Sep 202300000$89.43$2.64
Aug 202300000$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

OperatorSM Energy CompanyFieldBriscoe Ranch (Eagleford)CountyWebb County

SM Energy Company in Webb County

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Briscoe Ranch (Eagleford) field

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