Skip to content
Royalty Clerk

Texas oil lease

Producing

KNOX 4

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

Oil lease dossier

74,325bbl oil, last 12 months−30% vs prior year
Operator
Diamondback E&P LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-60740

Is your check right?

Check my statement

Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
199,503 mcf
Oil in Jul 2026
5,737 bbl

Production by month

Oil output fell 30% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 30% over the last 12 monthsMonthly oil production and gas for KNOX 4, Aug 2023 to Jul 2026. Oil output fell 30% over the last 12 months. 74,325 bbl in the 12 months through Jul 2026, against 106,032 bbl in the 12 months before.Last 12 months: 74,325 bblbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 30% over the last 12 monthsMonthly oil production and gas for KNOX 4, Aug 2023 to Jul 2026. Oil output fell 30% over the last 12 months. 74,325 bbl in the 12 months through Jul 2026, against 106,032 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k10k20k20k30k30k40k40k50k50kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

96% of the gas went to a transmission line in the last 12 months

Flaring peaked at 23.9% of the gas in May 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
96% of the gas went to a transmission line in the last 12 monthsShare of KNOX 4 gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a transmission line in the last 12 months. Flaring peaked at 23.9% of the gas in May 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 23.9%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
96% of the gas went to a transmission line in the last 12 monthsShare of KNOX 4 gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a transmission line in the last 12 months. Flaring peaked at 23.9% of the gas in May 2024.Share of gas by disposition code0%50%100%Flared 23.9%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    96% · 191,961 mcf

  • Lease fuel (1)

    2.5% · 4,959 mcf

  • Flared (4)

    1.3% · 2,583 mcf

1.3% of the gas flared in the last 12 months. 7 months above 3%.

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
Energy Transfer CompanyOilGathers100Feb 1, 2025–
Dcp Operating Company, LPCasinghead gasBuys100Apr 30, 2023–
Dcp Operating Company, LPCasinghead gasGathers100Apr 30, 2023–
Nustar Permian Trans and Stg,llcOilGathers100Apr 30, 2023Feb 1, 2025

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

Who buys my oilOil price check

400.68 acres on the newest permit

An allocation well is on this lease

Permits for Knox 4
API numberWell no.Acreson the permit
42-317-44315204400.68
42-317-44312201400.68

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 KNOX 4
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20265,7375,73821,52221,0190$80.46$2.89
Jun 20266,1976,21623,37022,8360$84.81$3.15
May 20266,3346,28120,47719,9750$102.13$2.94
Apr 20266,9406,93418,89616,7931,655$100.32$2.77
Mar 20268,4668,49523,92623,134234$91.38$3.04
Feb 20268,0618,07318,72017,924282$64.51$3.62
Jan 202610,22510,15314,92214,152302$60.04$7.72
Dec 20251,3791,4182,7992,6630$57.97$4.26
Nov 20255,6255,61615,05514,6790$60.06$3.79
Oct 20255,8076,03714,22813,778110$60.89$3.19
Sep 20255,7145,47113,99513,6640$63.96$2.97
Aug 20253,8403,88111,59311,3440$64.86$2.91
Jul 20255,9075,91219,07518,64510$68.39$3.20
Jun 20255,8645,87916,72916,4160$68.17$3.02
May 20258,3468,30222,19221,7940$62.17$3.12
Apr 20257,5007,50518,38718,0200$63.54$3.42
Mar 20254,6764,6867,0766,8740$68.24$4.12
Feb 20255,9525,95913,43213,0730$71.53$4.19
Jan 20258,5738,57117,93117,5300$75.74$4.13
Dec 202410,09310,08519,30018,243635$70.12$3.01
Nov 202410,93710,98520,27019,679137$69.95$2.12
Oct 202412,92212,90219,16118,142589$71.99$2.20
Sep 202412,52212,51617,14516,7650$70.24$2.28
Aug 202412,74012,71017,07416,7350$76.68$1.99
Jul 20249,1789,19819,78619,035375$81.80$2.07
Jun 202410,20310,20027,20124,9291,737$79.77$2.54
May 202410,83410,84727,83320,6236,665$80.02$2.12
Apr 202412,09312,06531,68531,1140$85.35$1.60
Mar 202412,73412,75838,23037,5460$81.28$1.49
Feb 202413,36713,36840,85240,1310$77.25$1.72
Jan 202417,20117,19647,44844,7791,884$74.15$3.18
Dec 202318,07618,05844,30043,44552$71.90$2.52
Nov 202319,23119,25247,57846,7810$77.69$2.71
Oct 202320,23920,30634,69334,6750$85.64$2.98
Sep 202324,59324,55038,01734,9263,073$89.43$2.64
Aug 202330,94330,93045,40045,3820$81.39$2.58

Flared above 3%

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)CountyMartin County

Diamondback E&P LLC in Martin County

All Diamondback E&P LLC leases →

Spraberry (Trend Area) field

All leases in this field →

New drilling permits in Martin County

Newest in the county: this lease has no coordinates.