Skip to content
Royalty Clerk

Texas oil lease

Producing

WHITAKER 21-28 UNIT

Whitaker 21-28 Unit is an oil lease in Martin County, Texas, operated by SM Energy Company in the Spraberry (Trend Area) field.

6 wells

128,436bbl oil, last 12 months−19% vs prior year
RRC lease
08-47701

Is your check right?

Check my statement

Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
472,841 mcf
Oil in Jun 2026
8,628 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ET GATHERING & PROCESSING LLC replaced ENERGY TRANSFER MARKETING & TERM as the buyer of this lease's gas from oil wells on Mar 1, 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 fell 19% over the last 12 months

Jul 2026 was not reported.

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 19% over the last 12 monthsMonthly oil production and gas for WHITAKER 21-28 UNIT, Aug 2023 to Jul 2026. Oil output fell 19% over the last 12 months. 115,915 bbl in the 12 months through Jul 2026, against 143,598 bbl in the 12 months before.Last 12 months: 115,915 bblbbl per monthmcf per month0010k20k20k40k30k60k40k80kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 19% over the last 12 monthsMonthly oil production and gas for WHITAKER 21-28 UNIT, Aug 2023 to Jul 2026. Oil output fell 19% over the last 12 months. 115,915 bbl in the 12 months through Jul 2026, against 143,598 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k20k20k40k30k60k40k80kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a processing plant in the last 12 months

Flaring peaked at 14.9% of the gas in Jan 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
98% of the gas went to a processing plant in the last 12 monthsShare of WHITAKER 21-28 UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a processing plant in the last 12 months. Flaring peaked at 14.9% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 14.9%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
98% of the gas went to a processing plant in the last 12 monthsShare of WHITAKER 21-28 UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a processing plant in the last 12 months. Flaring peaked at 14.9% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Flared 14.9%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    98% · 464,702 mcf

  • Lease fuel (1)

    1.1% · 5,313 mcf

  • Flared (4)

    0.6% · 2,826 mcf

0.6% of the gas flared in the last 12 months. 7 months above 3%.

6 wells on this lease

Wells on WHITAKER 21-28 UNIT
API numberWell no.Status
42-317-403581HActive
42-317-431332112JMActive
42-317-431342149WAActive
42-317-431352183DNActive
42-317-431362113JMActive
42-317-449082192WDActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer Crude Oil Co,llcOilGathers50Aug 1, 2024–
Shell Trading (Us) CompanyOilGathers50Aug 1, 2024–
Et Gathering & Processing LLCCasinghead gasBuys100Mar 1, 2026–
Energy Transfer CompanyCasinghead gasGathers100Aug 1, 2024–
Energy Transfer Marketing & TermCasinghead gasBuys100Oct 1, 2025Mar 1, 2026
Etc Gas Processing, LLCCasinghead gasBuys100Aug 1, 2024Oct 1, 2025
Wtg Gas Processing, L.p.Casinghead gasGathers100Mar 17, 2016Aug 1, 2024
Wtg Gas Processing, L.p.Casinghead gasBuys100Mar 17, 2016Aug 1, 2024
Lpc Crude Oil Marketing LLCOilGathers50Aug 1, 2017Aug 1, 2024
Navigator Bsg Field Services,llcOilGathers50Jul 1, 2017Aug 1, 2024

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

520 acres on the newest permit

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Whitaker 21-28 Unit
API numberWell no.Acreson the permit
42-317-449082192WD520
42-317-431332112JM520
42-317-431342149WA520
42-317-431352183DN520
42-317-431362113JM520
42-317-403581H520

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

What SM Energy Company told investors it received

SM Energy Company is linked to SM Energy Company (SM).
Realized prices reported by SM Energy Company
QuarterOil$ per bblFiling
Q2 2026$96.85SEC filing
Q1 2026$73.69SEC filing
Q4 2025$58.17SEC filing
Q3 2025–SEC filing
Q2 2025$62.04SEC filing
Q1 2025$70.56SEC filing

SourceSM Energy Company quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for WHITAKER 21-28 UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026No report filed–––––$80.46$2.89
Jun 20268,6288,61932,16332,11053$84.81$3.15
May 20269,9089,88834,33334,3330$102.13$2.94
Apr 20269,1249,14741,72941,7290$100.32$2.77
Mar 20269,99010,05045,11643,4811,635$91.38$3.04
Feb 20269,5649,80730,35429,514840$64.51$3.62
Jan 202610,45210,41431,82131,8210$60.04$7.72
Dec 202511,03610,92838,53538,4740$57.97$4.26
Nov 202511,31911,22841,61241,1300$60.06$3.79
Oct 202512,12512,20044,92044,33919$60.89$3.19
Sep 202511,62111,55942,87541,7404$63.96$2.97
Aug 202512,14812,36044,38142,9280$64.86$2.91
Jul 202512,52112,61445,00243,103275$68.39$3.20
Jun 202512,03511,78142,04240,5560$68.17$3.02
May 202511,39811,48035,60034,033304$62.17$3.12
Apr 202510,14010,18032,82729,2732,411$63.54$3.42
Mar 202512,10511,93642,01139,4961,582$68.24$4.12
Feb 202510,89910,93537,06131,1135,250$71.53$4.19
Jan 202513,03412,98539,30838,5450$75.74$4.13
Dec 202412,53312,46738,49937,2850$70.12$3.01
Nov 202410,70310,83632,79931,79089$69.95$2.12
Oct 20249,5429,60135,70433,6141,125$71.99$2.20
Sep 202414,51114,43747,76346,95866$70.24$2.28
Aug 202414,17714,18846,46645,7111$76.68$1.99
Jul 202414,76914,80746,61746,0190$81.80$2.07
Jun 202415,87515,90451,74450,39553$79.77$2.54
May 202417,05416,94652,45551,2390$80.02$2.12
Apr 202414,25814,41045,08643,373416$85.35$1.60
Mar 202417,97617,92554,15852,2080$81.28$1.49
Feb 202419,46019,43056,07953,390204$77.25$1.72
Jan 202419,64819,80859,37048,6498,822$74.15$3.18
Dec 202322,10921,95863,93062,8580$71.90$2.52
Nov 202322,31322,31259,69451,7616,085$77.69$2.71
Oct 202322,41622,33759,21556,5650$85.64$2.98
Sep 202322,09522,19961,45058,8040$89.43$2.64
Aug 202328,78728,84379,49276,160220$81.39$2.58

No report filed Flared above 3%

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?

Nearby

SM Energy Company in Martin County

All SM Energy Company leases →

Spraberry (Trend Area) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km