Skip to content
Royalty Clerk

Texas oil lease

Producing

JACK KNIFE

Jack Knife is an oil lease in Hardin County, Texas, operated by Wagner Oil Company in the Sour Lake (Ey-3) field.

1 well

4,017bbl oil, last 12 months−14% vs prior year
Operator
Wagner Oil Company
County
Hardin County
Field
Sour Lake (Ey-3)
RRC lease
03-26853

Is your check right?

Check my statement

Where it sits

This county

Hardin CountyHardinOrangeJasperLibertyTylerNewtonPolkHardin County
Hardin County
Gas, last 12 months
7,284 mcf
Oil in Jul 2026
373 bbl

Production by month

Oil output fell 14% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for JACK KNIFE, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 4,017 bbl in the 12 months through Jul 2026, against 4,649 bbl in the 12 months before.Last 12 months: 4,017 bblbbl per monthmcf per month001002002004003006004008005001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 14% over the last 12 monthsMonthly oil production and gas for JACK KNIFE, Aug 2023 to Jul 2026. Oil output fell 14% over the last 12 months. 4,017 bbl in the 12 months through Jul 2026, against 4,649 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002002004003006004008005001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to lease fuel in the last 12 months

All of the gas went to lease fuel in the last 12 monthsShare of JACK KNIFE gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to lease fuel in the last 12 monthsShare of JACK KNIFE gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to lease fuel 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.

1 well on this lease

Wells on JACK KNIFE
API numberWell no.Status
42-199-334363Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Feb 1, 2017
Houston Pipe Line Company LPCasinghead gasBuys100Dec 1, 2016
Houston Pipe Line Company LPCasinghead gasGathers100Dec 1, 2016

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

Who buys my oilOil price check

671.50 acres on the newest permit

Permits for Jack Knife
API numberWell no.Acreson the permit
42-199-334363671.50

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for JACK KNIFE
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202637316662000$80.46$2.89
Jun 202618616560000$84.81$3.15
May 202624333162000$102.13$2.94
Apr 202641433460000$100.32$2.77
Mar 202636534162000$91.38$3.04
Feb 202637450056000$64.51$3.62
Jan 202628734162000$60.04$7.72
Dec 202535532160400$57.97$4.26
Nov 202531733660000$60.06$3.79
Oct 202539434462000$60.89$3.19
Sep 202536934260000$63.96$2.97
Aug 202534033862000$64.86$2.91
Jul 202534035060100$68.39$3.20
Jun 202532150560000$68.17$3.02
May 202541216762000$62.17$3.12
Apr 202536033860000$63.54$3.42
Mar 202542049062000$68.24$4.12
Feb 202536933651100$71.53$4.19
Jan 202535733862000$75.74$4.13
Dec 202429951659100$70.12$3.01
Nov 202448734458800$69.95$2.12
Oct 202435834354300$71.99$2.20
Sep 202444234060000$70.24$2.28
Aug 202448449962000$76.68$1.99
Jul 202447850462000$81.80$2.07
Jun 202448151660000$79.77$2.54
May 202441851062000$80.02$2.12
Apr 202443833860000$85.35$1.60
Mar 202447450262000$81.28$1.49
Feb 202421616728700$77.25$1.72
Jan 202428731756600$74.15$3.18
Dec 202340751462000$71.90$2.52
Nov 202336934257900$77.69$2.71
Oct 202338933662000$85.64$2.98
Sep 202345151860000$89.43$2.64
Aug 202340234651400$81.39$2.58

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

How to check your stub against this lease

Do your checks match this lease?

Check my statement

Nearby

This lease belongs to

OperatorWagner Oil CompanyFieldSour Lake (Ey-3)CountyHardin County

Wagner Oil Company in Hardin County

All Wagner Oil Company leases →

Sour Lake (Ey-3) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km