Skip to content
Royalty Clerk

Texas oil lease

Producing

CALVERLEY 12

Calverley 12 is an oil lease in Glasscock County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

5 wells

5,376bbl oil, last 12 months−32% vs prior year
Operator
Diamondback E&P LLC
County
Glasscock County
Field
Spraberry (Trend Area)
RRC lease
08-45474

Is your check right?

Check my statement

Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
9,893 mcf
Oil in Jul 2026
358 bbl

Production by month

Oil output fell 32% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for CALVERLEY 12, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 5,376 bbl in the 12 months through Jul 2026, against 7,894 bbl in the 12 months before.Last 12 months: 5,376 bblbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 32% over the last 12 monthsMonthly oil production and gas for CALVERLEY 12, Aug 2023 to Jul 2026. Oil output fell 32% over the last 12 months. 5,376 bbl in the 12 months through Jul 2026, against 7,894 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,000Jan 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 12 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 12 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.

5 wells on this lease

Wells on CALVERLEY 12
API numberWell no.Status
42-173-302382Active
42-173-363611AActive
42-173-363884AActive
42-173-363893AActive
42-173-369802AActive

SourceTexas Railroad Commission Wellbore Query.

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 gasGathers100Oct 1, 2015May 1, 2020
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Nov 1, 2015May 1, 2020
Enlink Crude Purchasing LLCOilGathers100Nov 20, 2019May 1, 2020
Lpc Crude Oil Marketing LLCOilGathers100Jul 1, 2015Nov 20, 2019

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

Who buys my oilOil price check

646.80 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 480 and 646.8 acres. Use the acres from your own division order for the well you are paid on.

Check your decimal on this lease
Permits for Calverley 12
API numberWell no.Acreson the permit
42-173-369802A646.80
42-173-363884A480
42-173-363893A480
42-173-363611A480
42-173-302382–

SourceRailroad Commission drilling permits, Sep 26, 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 12
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263583581,0391,0390$80.46$2.89
Jun 20265505171,3301,3300$84.81$3.15
May 20265585301,1681,1680$102.13$2.94
Apr 20263753226666660$100.32$2.77
Mar 20263003456946940$91.38$3.04
Feb 20262893514794790$64.51$3.62
Jan 20263643545855850$60.04$7.72
Dec 20254415223033030$57.97$4.26
Nov 20255025445365360$60.06$3.79
Oct 20253353634584580$60.89$3.19
Sep 20256175361,0331,0330$63.96$2.97
Aug 20256879041,6021,6020$64.86$2.91
Jul 20258045401,8371,8370$68.39$3.20
Jun 20255817231,2011,2010$68.17$3.02
May 20255743629889880$62.17$3.12
Apr 20253325103883880$63.54$3.42
Mar 20255353681,1271,1270$68.24$4.12
Feb 20254615377727720$71.53$4.19
Jan 20251713712852850$75.74$4.13
Dec 20249889181,8491,8490$70.12$3.01
Nov 20241,0751,0842,9332,9330$69.95$2.12
Oct 20241,3071,2733,4943,4940$71.99$2.20
Sep 20247355491,7941,7940$70.24$2.28
Aug 20243313321,1931,1930$76.68$1.99
Jul 20244013651,1221,1220$81.80$2.07
Jun 2024751791,0341,0340$79.77$2.54
May 20246005391,1881,1880$80.02$2.12
Apr 20243463633783780$85.35$1.60
Mar 20246857251,2951,2950$81.28$1.49
Feb 20247627368628620$77.25$1.72
Jan 20248509251,1591,1590$74.15$3.18
Dec 20239438781,4651,4650$71.90$2.52
Nov 202300000$77.69$2.71
Oct 20232603638028020$85.64$2.98
Sep 20235805301,7851,7850$89.43$2.64
Aug 20237146931,8391,8390$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 →

Leases within 10 km

Drilling permits within 10 km