Skip to content
Royalty Clerk

Texas oil lease

Producing

COCKBURN -B-

Cockburn -B- is an oil lease in Wharton County, Texas, operated by McGowan Working Partners, Inc. in the Magnet Withers field.

12 wells

7,617bbl oil, last 12 months−4% vs prior year
RRC lease
03-02868

Is your check right?

Check my statement

Where it sits

This county

Wharton CountyWhartonLavacaFayetteAustinColoradoFort BendJacksonWharton County
Wharton County
Gas, last 12 months
8,316 mcf
Oil in Jul 2026
637 bbl

Production by month

Oil output fell 4% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 4% over the last 12 monthsMonthly oil production and gas for COCKBURN -B-, Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 7,617 bbl in the 12 months through Jul 2026, against 7,927 bbl in the 12 months before.Last 12 months: 7,617 bblbbl per monthmcf per month00200200400400600600800800Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 4% over the last 12 monthsMonthly oil production and gas for COCKBURN -B-, Aug 2023 to Jul 2026. Oil output fell 4% over the last 12 months. 7,617 bbl in the 12 months through Jul 2026, against 7,927 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00200200400400600600800800Jan 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 COCKBURN -B- 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 COCKBURN -B- 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.

12 wells on this lease

Wells on COCKBURN -B-
API numberWell no.Status
42-481-0250810Active
42-481-025092Active
42-481-025109Shut-in
42-481-025111Shut-in
42-481-025123Active
42-481-025145Active
42-481-025177Active
42-481-025188Active
42-481-0251912Shut-in
42-481-0252114Shut-in
42-481-0252215Active
42-481-3023917Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Nov 1, 2010
Tennessee Gas Pipeline Co,l.l.c.Casinghead gasBuys100Apr 1, 2013
Tennessee Gas Pipeline Co,l.l.c.Casinghead gasGathers100Apr 1, 2013

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

155 acres on the newest permit

  • Good to know

    15 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • 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 Cockburn -B-
API numberWell no.Acreson the permit
42-481-0251912155
42-481-0252114155
42-481-0250810–
42-481-025092–
42-481-025109–
42-481-025111–
42-481-025123–
42-481-025134–
42-481-025145–
42-481-025166–
42-481-025177–
42-481-025188–

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

Estimate your royalty

36 months, newest first

Ledger for COCKBURN -B-
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202663765374400$80.46$2.89
Jun 202657964064800$84.81$3.15
May 202667765273200$102.13$2.94
Apr 202667165972000$100.32$2.77
Mar 202669465774400$91.38$3.04
Feb 202666067167200$64.51$3.62
Jan 202654349762400$60.04$7.72
Dec 202553965768400$57.97$4.26
Nov 202565666866000$60.06$3.79
Oct 202571664974400$60.89$3.19
Sep 202570763770800$63.96$2.97
Aug 202553865863600$64.86$2.91
Jul 202561547466000$68.39$3.20
Jun 202571883472000$68.17$3.02
May 202579383574400$62.17$3.12
Apr 202572765669600$63.54$3.42
Mar 202573066972000$68.24$4.12
Feb 202558965760000$71.53$4.19
Jan 202539133446800$75.74$4.13
Dec 202467666770800$70.12$3.01
Nov 202470365572000$69.95$2.12
Oct 202470981874400$71.99$2.20
Sep 202469866372000$70.24$2.28
Aug 202457867974400$76.68$1.99
Jul 202441532567200$81.80$2.07
Jun 202456165272000$79.77$2.54
May 202470065874400$80.02$2.12
Apr 202452148672000$85.35$1.60
Mar 202464367968400$81.28$1.49
Feb 202466266269600$77.25$1.72
Jan 202463951069600$74.15$3.18
Dec 202367282374400$71.90$2.52
Nov 202358651472000$77.69$2.71
Oct 202369166474400$85.64$2.98
Sep 202358163867200$89.43$2.64
Aug 202368365474400$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Nearby

Leases within 10 km

Drilling permits within 10 km