Skip to content
Royalty Clerk

Texas oil lease

Producing

CALVERLEY 4 'A'

Calverley 4 'A' is an oil lease in Glasscock County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

Oil lease dossier

1,205bbl oil, last 12 months−40% vs prior year
Operator
Diamondback E&P LLC
County
Glasscock County
Field
Spraberry (Trend Area)
RRC lease
08-52596

Is your check right?

Check my statement

Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
6,730 mcf
Oil in Jul 2026
96 bbl

Production by month

Oil output fell 40% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for CALVERLEY 4 'A', Aug 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 1,205 bbl in the 12 months through Jul 2026, against 2,012 bbl in the 12 months before.Last 12 months: 1,205 bblbbl per monthmcf per month001001,0002002,0003003,0004004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for CALVERLEY 4 'A', Aug 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 1,205 bbl in the 12 months through Jul 2026, against 2,012 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001001,0002002,0003003,0004004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the last 12 months

All of the gas went to a transmission line in the last 12 monthsShare of CALVERLEY 4 'A' gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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 a transmission line in the last 12 monthsShare of CALVERLEY 4 'A' gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line 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.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100May 1, 2020–
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Nov 20, 2019May 1, 2020
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Nov 20, 2019May 1, 2020
Enlink Crude Purchasing LLCOilGathers100Nov 20, 2019May 1, 2020

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

Who buys my oilOil price check

320 acres on the newest permit

Check your decimal on this lease
Permits for Calverley 4 'A'
API numberWell no.Acreson the permit
42-173-363732A320

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

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).
Realized prices reported by Diamondback Energy, Inc.
QuarterOil$ per bblFiling
Q2 2026$96.82SEC filing
Q1 2026$73.47SEC filing
Q4 2025$58.00SEC filing
Q3 2025$64.60SEC filing
Q2 2025$63.23SEC filing
Q1 2025$70.95SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for CALVERLEY 4 'A'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20269602252250$80.46$2.89
Jun 2026621792082080$84.81$3.15
May 20261201621620$102.13$2.94
Apr 20262301671670$100.32$2.77
Mar 20265202002000$91.38$3.04
Feb 20263401621620$64.51$3.62
Jan 2026591682492490$60.04$7.72
Dec 20255503053050$57.97$4.26
Nov 20251031757067060$60.06$3.79
Oct 20251751801,0191,0190$60.89$3.19
Sep 20252511791,4741,4740$63.96$2.97
Aug 20252833601,8531,8530$64.86$2.91
Jul 20252611761,6321,6320$68.39$3.20
Jun 20251841811,8501,8500$68.17$3.02
May 20251431731,5321,5320$62.17$3.12
Apr 20251271801,5411,5410$63.54$3.42
Mar 20251601831,8111,8110$68.24$4.12
Feb 20251461831,4411,4410$71.53$4.19
Jan 202516401,6451,6450$75.74$4.13
Dec 20241531861,6111,6110$70.12$3.01
Nov 20241651781,5761,5760$69.95$2.12
Oct 20241691821,5751,5750$71.99$2.20
Sep 20241641701,4821,4820$70.24$2.28
Aug 20241761821,5251,5250$76.68$1.99
Jul 20241461791,7141,7140$81.80$2.07
Jun 20241751683633630$79.77$2.54
May 20241221716306300$80.02$2.12
Apr 20241681821,3841,3840$85.35$1.60
Mar 20241941831,4661,4660$81.28$1.49
Feb 20242511851,4961,4960$77.25$1.72
Jan 20241731811,0221,0220$74.15$3.18
Dec 20231751853,1063,1060$71.90$2.52
Nov 20232141861,2921,2920$77.69$2.71
Oct 20232733601,2811,2810$85.64$2.98
Sep 20231271821,1421,1420$89.43$2.64
Aug 20232671789479470$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

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyGlasscock County

Diamondback E&P LLC in Glasscock County

All Diamondback E&P LLC leases →

Spraberry (Trend Area) field

All leases in this field →

New drilling permits in Glasscock County

Newest in the county: this lease has no coordinates.