Skip to content
Royalty Clerk

Texas oil lease

Producing

CLARK 4

Clark 4 is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) R 40 Exc field.

1 well

10,757bbl oil, last 12 months−50% vs prior year
Operator
Diamondback E&P LLC
County
Midland County
Field
Spraberry (Trend Area) R 40 Exc
RRC lease
08-53324

Is your check right?

Check my statement

Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
135,542 mcf
Oil in Jul 2026
1,835 bbl

Production by month

Oil output fell 50% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 50% over the last 12 monthsMonthly oil production and gas for CLARK 4, Aug 2023 to Jul 2026. Oil output fell 50% over the last 12 months. 10,757 bbl in the 12 months through Jul 2026, against 21,421 bbl in the 12 months before.Last 12 months: 10,757 bblbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020k5,00025kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 50% over the last 12 monthsMonthly oil production and gas for CLARK 4, Aug 2023 to Jul 2026. Oil output fell 50% over the last 12 months. 10,757 bbl in the 12 months through Jul 2026, against 21,421 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0005,0002,00010k3,00015k4,00020k5,00025kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuel

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuelShare of CLARK 4 gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Dec 2025: fuel to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuelShare of CLARK 4 gas by disposition code each month, Aug 2023 to Jul 2026. Since Dec 2025 the lease's gas goes to a transmission line instead of lease fuel.Share of gas by disposition code0%50%100%Dec 25: fuel to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    73% · 98,584 mcf

  • Lease fuel (1)

    27% · 36,958 mcf

Who has run this lease

The operator changed once, most recently in Mar 2023

Operators of this lease over timeLario Oil & Gas Company, Jan 2020 to Feb 2023; Diamondback E&P LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Lario Oil & Gas CompanyJan 2020 to Feb 2023Diamondback E&P LLCMar 2023 to now
Operators of this lease over timeLario Oil & Gas Company, Jan 2020 to Feb 2023; Diamondback E&P LLC, Mar 2023 to Jul 20262020202120222023202420252026Changed Mar 2023Lario Oil & Gas CompanyJan 2020 to Feb 2023Diamondback E&P LLCMar 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on CLARK 4
API numberWell no.Status
42-329-42102402Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Medallion Operating Company, LLCOilGathers100Aug 23, 2018
Targa Pl Mid-Cont Westtex LLCCasinghead gasBuys100Aug 23, 2018
Targa Pl Mid-Cont Westtex LLCCasinghead gasGathers100Aug 23, 2018

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

Who buys my oilOil price check

660.45 acres on the newest permit

An allocation well is on this lease

Permits for Clark 4
API numberWell no.Acreson the permit
42-329-42102402660.45

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 CLARK 4
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P1,8351,78224,99822,1050$80.46$2.89
Jun 2026Diamondback E&P1,1821,15617,72115,4920$84.81$3.15
May 2026Diamondback E&P1031044,2463,8950$102.13$2.94
Apr 2026Diamondback E&P24925210,9068,5270$100.32$2.77
Mar 2026Diamondback E&P39840114,94712,0000$91.38$3.04
Feb 2026Diamondback E&P41241416,16213,8190$64.51$3.62
Jan 2026Diamondback E&P55656610,7558,3770$60.04$7.72
Dec 2025Diamondback E&P1,0381,04316,75412,2810$57.97$4.26
Nov 2025Diamondback E&P1,1371,1314,00440$60.06$3.79
Oct 2025Diamondback E&P1,1391,1454,43600$60.89$3.19
Sep 2025Diamondback E&P1,1481,1534,36400$63.96$2.97
Aug 2025Diamondback E&P1,5601,5596,2492,0840$64.86$2.91
Jul 2025Diamondback E&P1,4301,4359,1124,7430$68.39$3.20
Jun 2025Diamondback E&P1,5891,5905,3521,3400$68.17$3.02
May 2025Diamondback E&P1,7441,75611,9117,7450$62.17$3.12
Apr 2025Diamondback E&P1,6601,68116,51413,4670$63.54$3.42
Mar 2025Diamondback E&P1,5401,55215,92813,9510$68.24$4.12
Feb 2025Diamondback E&P1,5461,50415,43613,5520$71.53$4.19
Jan 2025Diamondback E&P1,6991,70310,6509,7810$75.74$4.13
Dec 2024Diamondback E&P2,0762,08213,19311,7960$70.12$3.01
Nov 2024Diamondback E&P1,7721,76015,70713,9150$69.95$2.12
Oct 2024Diamondback E&P1,4711,53017,17014,1890$71.99$2.20
Sep 2024Diamondback E&P2,2642,25419,02516,9030$70.24$2.28
Aug 2024Diamondback E&P2,6302,61716,90715,4100$76.68$1.99
Jul 2024Diamondback E&P2,5562,55513,84412,3990$81.80$2.07
Jun 2024Diamondback E&P2,3762,35819,34916,2030$79.77$2.54
May 2024Diamondback E&P1,3481,34013,11811,2629$80.02$2.12
Apr 2024Diamondback E&P2,4992,47120,32918,0760$85.35$1.60
Mar 2024Diamondback E&P1,3651,4237,6066,294127$81.28$1.49
Feb 2024Diamondback E&P2,2692,25310,4909,8780$77.25$1.72
Jan 2024Diamondback E&P2,9652,97916,21515,3160$74.15$3.18
Dec 2023Diamondback E&P2,9112,87814,94414,2200$71.90$2.52
Nov 2023Diamondback E&P2,7052,74917,32316,5850$77.69$2.71
Oct 2023Diamondback E&P2,9102,87618,93418,0810$85.64$2.98
Sep 2023Diamondback E&P3,1653,15916,62815,9400$89.43$2.64
Aug 2023Diamondback E&P3,4063,39219,73018,9040$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?

Check my statement

Nearby

This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area) R 40 ExcCountyMidland County

Diamondback E&P LLC in Midland County

All Diamondback E&P LLC leases →

Spraberry (Trend Area) R 40 Exc field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km