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Texas oil lease

Producing

SERNA, REFUGIO

Serna, Refugio is an oil lease in Duval County, Texas, operated by Serna Inc. in the Seven Sisters field.

3 wells

2,352bbl oil, last 12 months+15% vs prior year
Operator
Serna Inc.
County
Duval County
Field
Seven Sisters
RRC lease
04-02826

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Where it sits

This county

Duval CountyDuvalJim WellsDuval County
Duval County
Oil in Jul 2026
231 bbl
Reporting since
Jan 2020

Production by month

Oil output rose 15% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 15% over the last 12 monthsMonthly oil production for SERNA, REFUGIO, Aug 2023 to Jul 2026. Oil output rose 15% over the last 12 months. 2,352 bbl in the 12 months through Jul 2026, against 2,043 bbl in the 12 months before.Last 12 months: 2,352 bblbbl per month050100150200250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 15% over the last 12 monthsMonthly oil production for SERNA, REFUGIO, Aug 2023 to Jul 2026. Oil output rose 15% over the last 12 months. 2,352 bbl in the 12 months through Jul 2026, against 2,043 bbl in the 12 months before.Last 12 monthsbbl per month050100150200250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

3 wells on this lease

Wells on SERNA, REFUGIO
API numberWell no.Status
42-131-007346Active
42-131-007532Active
42-131-105299Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Gulfmark Energy, Inc.OilGathers100Jun 30, 2021–
Shell Trading (Us) CompanyOilGathers100Nov 1, 2005Jun 30, 2021

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

Who buys my oilOil price check

What the drilling permits say

7 wells are listed on this lease

Permits for Serna, Refugio
API numberWell no.Acreson the permit
42-131-007346–
42-131-007532–
42-131-054185–
42-131-105267–
42-131-105299–
42-131-810983–
42-131-811008–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for SERNA, REFUGIO
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026231157$80.46$2.89
Jun 2026230283$84.81$3.15
May 2026155155$102.13$2.94
Apr 2026231158$100.32$2.77
Mar 2026191291$91.38$3.04
Feb 2026166139$64.51$3.62
Jan 2026216163$60.04$7.72
Dec 2025217310$57.97$4.26
Nov 2025152157$60.06$3.79
Oct 2025167162$60.89$3.19
Sep 2025150160$63.96$2.97
Aug 2025246161$64.86$2.91
Jul 2025185153$68.39$3.20
Jun 2025221308$68.17$3.02
May 2025121159$62.17$3.12
Apr 2025226155$63.54$3.42
Mar 2025193144$68.24$4.12
Feb 2025207302$71.53$4.19
Jan 20251030$75.74$4.13
Dec 202444144$70.12$3.01
Nov 2024146146$69.95$2.12
Oct 2024205150$71.99$2.20
Sep 2024203153$70.24$2.28
Aug 2024189289$76.68$1.99
Jul 2024242157$81.80$2.07
Jun 2024203310$79.77$2.54
May 20241070$80.02$2.12
Apr 2024162289$85.35$1.60
Mar 2024218158$81.28$1.49
Feb 2024207156$77.25$1.72
Jan 2024196319$74.15$3.18
Dec 2023196157$71.90$2.52
Nov 2023177150$77.69$2.71
Oct 2023219146$85.64$2.98
Sep 2023228312$89.43$2.64
Aug 2023670$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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This lease belongs to

OperatorSerna Inc.FieldSeven SistersCountyDuval County

Serna Inc. in Duval County

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Seven Sisters field

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