Skip to content
Royalty Clerk

Texas oil lease

Producing

BLOCK, E. HEIRS "B"

Block, E. Heirs "B" is an oil lease in Starr County, Texas, operated by Osborn,w.b. Oil & Gas Operations in the Sun, West (8800) field.

1 well

274bbl oil, last 12 months−8% vs prior year
RRC lease
04-14238

Is your check right?

Check my statement

Where it sits

This county

Starr CountyStarrBrooksJim HoggZapataHidalgoStarr County
Starr County
Oil in Jul 2026
22 bbl
Reporting since
May 2022

Production by month

Oil output fell 8% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 8% over the last 12 monthsMonthly oil production for BLOCK, E. HEIRS "B", Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 274 bbl in the 12 months through Jul 2026, against 297 bbl in the 12 months before.Last 12 months: 274 bblbbl per month010203040Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 8% over the last 12 monthsMonthly oil production for BLOCK, E. HEIRS "B", Aug 2023 to Jul 2026. Oil output fell 8% over the last 12 months. 274 bbl in the 12 months through Jul 2026, against 297 bbl in the 12 months before.Last 12 monthsbbl per month010203040Jan 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.

1 well on this lease

Wells on BLOCK, E. HEIRS "B"
API numberWell no.Status
42-427-330604Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Gulfmark Energy, Inc.OilGathers100Jul 1, 2022

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

1,583 acres on the newest permit

Permits for Block, E. Heirs "B"
API numberWell no.Acreson the permit
42-427-3306041,583

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

Estimate your royalty

36 months, newest first

Ledger for BLOCK, E. HEIRS "B"
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026220$80.46$2.89
Jun 2026200$84.81$3.15
May 2026250$102.13$2.94
Apr 2026230$100.32$2.77
Mar 2026230$91.38$3.04
Feb 2026220$64.51$3.62
Jan 2026240$60.04$7.72
Dec 202520181$57.97$4.26
Nov 2025240$60.06$3.79
Oct 2025230$60.89$3.19
Sep 2025250$63.96$2.97
Aug 2025230$64.86$2.91
Jul 2025260$68.39$3.20
Jun 2025230$68.17$3.02
May 2025270$62.17$3.12
Apr 202522181$63.54$3.42
Mar 2025270$68.24$4.12
Feb 2025220$71.53$4.19
Jan 2025250$75.74$4.13
Dec 2024280$70.12$3.01
Nov 2024240$69.95$2.12
Oct 2024280$71.99$2.20
Sep 202421170$70.24$2.28
Aug 2024240$76.68$1.99
Jul 2024270$81.80$2.07
Jun 2024270$79.77$2.54
May 2024270$80.02$2.12
Apr 2024300$85.35$1.60
Mar 202425178$81.28$1.49
Feb 2024280$77.25$1.72
Jan 2024230$74.15$3.18
Dec 2023270$71.90$2.52
Nov 2023280$77.69$2.71
Oct 2023270$85.64$2.98
Sep 2023250$89.43$2.64
Aug 202328176$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?

Nearby

Osborn,w.b. Oil & Gas Operations in Starr County

No other producing leases from this operator in this county are in our data yet.

Sun, West (8800) field

No other producing leases in this field are in our data yet.

Leases within 10 km

Drilling permits within 10 km