Skip to content
Royalty Clerk

Texas oil lease

Producing

CASTLEBURY -A-

Castlebury -A- is an oil lease in Wilbarger County, Texas, operated by Westneft LLC in the Wilbarger County Regular field.

9 wells

328bbl oil, last 12 months+46% vs prior year
Operator
Westneft LLC
County
Wilbarger County
Field
Wilbarger County Regular
RRC lease
09-14994

Is your check right?

Check my statement

Where it sits

This county

Wilbarger CountyWilbargerFoardWichitaHardemanWilbarger County
Wilbarger County
Oil in Jul 2026
22 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Westneft LLC took over from Northfork Exploration LLC in Apr 2025.

  • Sales

    No sales reported for the last 2 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

Oil output rose 46% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 46% over the last 12 monthsMonthly oil production for CASTLEBURY -A-, Aug 2023 to Jul 2026. Oil output rose 46% over the last 12 months. 328 bbl in the 12 months through Jul 2026, against 224 bbl in the 12 months before.Last 12 months: 328 bblbbl per month01020304050Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 46% over the last 12 monthsMonthly oil production for CASTLEBURY -A-, Aug 2023 to Jul 2026. Oil output rose 46% over the last 12 months. 328 bbl in the 12 months through Jul 2026, against 224 bbl in the 12 months before.Last 12 monthsbbl per month01020304050Jan 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.

Who has run this lease

The operator changed 2 times, most recently in Apr 2025

Operators of this lease over timeBonfire Operating LLC, Jan 2020 to Jun 2021; Northfork Exploration LLC, Jul 2021 to Mar 2025; Westneft LLC, Apr 2025 to Jul 20262020202120222023202420252026Changed Jul 2021Changed Apr 2025Bonfire Operating LLCJan 2020 to Jun 2021Northfork Exploration LLCJul 2021 to Mar 2025Westneft LLCApr 2025 to now
Operators of this lease over timeBonfire Operating LLC, Jan 2020 to Jun 2021; Northfork Exploration LLC, Jul 2021 to Mar 2025; Westneft LLC, Apr 2025 to Jul 20262020202120222023202420252026Changed Jul 2021Changed Apr 2025Bonfire Operating LLCJan 2020 to Jun 2021Northfork Exploration LLCJul 2021 to Mar 2025Westneft LLCApr 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

9 wells on this lease

Wells on CASTLEBURY -A-
API numberWell no.Status
42-487-019811AActive
42-487-200345Shut-in
42-487-200363Active
42-487-301267Active
42-487-306708Shut-in
42-487-307209Shut-in
42-487-3101110Shut-in
42-487-3216311Shut-in
42-487-828774Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Sentinel Transportation, LLCOilGathers100Dec 1, 2022–
Gulfmark Energy, Inc.OilGathers100Jul 14, 2021Dec 1, 2022
Sunoco Ptnrs. Mktg.&terminals LPOilGathers100Feb 23, 2018Jul 14, 2021

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

Who buys my oilOil price check

70 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 40 and 70 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    13 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.

Check your decimal on this lease
Permits for Castlebury -A-
API numberWell no.Acreson the permit
42-487-321631170
42-487-310111040
42-487-019811A–
42-487-200345–
42-487-200354A–
42-487-200363–
42-487-200363A–
42-487-200372A–
42-487-301267–
42-487-306708–
42-487-307209–
42-487-828774–

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for CASTLEBURY -A-
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Westneft LLC220$80.46$2.89
Jun 2026Westneft LLC270$84.81$3.15
May 2026Westneft LLC29157$102.13$2.94
Apr 2026Westneft LLC250$100.32$2.77
Mar 2026Westneft LLC270$91.38$3.04
Feb 2026Westneft LLC260$64.51$3.62
Jan 2026Westneft LLC260$60.04$7.72
Dec 2025Westneft LLC290$57.97$4.26
Nov 2025Westneft LLC27156$60.06$3.79
Oct 2025Westneft LLC310$60.89$3.19
Sep 2025Westneft LLC290$63.96$2.97
Aug 2025Westneft LLC300$64.86$2.91
Jul 2025Westneft LLC390$68.39$3.20
Jun 2025Westneft LLC20$68.17$3.02
May 2025Westneft LLC20$62.17$3.12
Apr 2025Westneft LLC1124$63.54$3.42
Mar 2025Northfork Exploration260$68.24$4.12
Feb 2025Northfork Exploration320$71.53$4.19
Jan 2025Northfork Exploration370$75.74$4.13
Dec 2024Northfork Exploration23160$70.12$3.01
Nov 2024Northfork Exploration120$69.95$2.12
Oct 2024Northfork Exploration440$71.99$2.20
Sep 2024Northfork Exploration40$70.24$2.28
Aug 2024Northfork Exploration20$76.68$1.99
Jul 2024Northfork Exploration210$81.80$2.07
Jun 2024Northfork Exploration150$79.77$2.54
May 2024Northfork Exploration210$80.02$2.12
Apr 2024Northfork Exploration390$85.35$1.60
Mar 2024Northfork Exploration2156$81.28$1.49
Feb 2024Northfork Exploration260$77.25$1.72
Jan 2024Northfork Exploration310$74.15$3.18
Dec 2023Northfork Exploration320$71.90$2.52
Nov 2023Northfork Exploration340$77.69$2.71
Oct 2023Northfork Exploration330$85.64$2.98
Sep 2023Northfork Exploration36162$89.43$2.64
Aug 2023Northfork Exploration370$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?

Check my statement

Nearby

This lease belongs to

OperatorWestneft LLCFieldWilbarger County RegularCountyWilbarger County

Westneft LLC in Wilbarger County

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

Wilbarger County Regular field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km