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Producing

STUMBERG RANCH UNIT D

Stumberg Ranch Unit D is an oil lease in Dimmit County, Texas, operated by Javelin Energy Partners Mgmt LLC in the Briscoe Ranch (Eagleford) field.

8 wells

21,274bbl oil, last 12 months−16% vs prior year
Operator
Javelin Energy Partners Mgmt LLC
County
Dimmit County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-19814

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Where it sits

This county

Dimmit CountyDimmitLa SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
170,270 mcf
Oil in Jul 2026
1,648 bbl

Production by month

Oil output fell 16% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 16% over the last 12 monthsMonthly oil production and gas for STUMBERG RANCH UNIT D, Aug 2023 to Jul 2026. Oil output fell 16% over the last 12 months. 21,274 bbl in the 12 months through Jul 2026, against 25,427 bbl in the 12 months before.Last 12 months: 21,274 bblbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020k10k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 16% over the last 12 monthsMonthly oil production and gas for STUMBERG RANCH UNIT D, Aug 2023 to Jul 2026. Oil output fell 16% over the last 12 months. 21,274 bbl in the 12 months through Jul 2026, against 25,427 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020k10k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Sep 2023 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 26.3% of the gas in Sep 2024.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Sep 2023 the lease's gas goes to a transmission line instead of a processing plantShare of STUMBERG RANCH UNIT D gas by disposition code each month, Aug 2023 to Jul 2026. Since Sep 2023 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 26.3% of the gas in Sep 2024.Share of the lease’s gas by disposition code, per month0%50%100%Sep 2023: plant to lineFlared 26.3%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Sep 2023 the lease's gas goes to a transmission line instead of a processing plantShare of STUMBERG RANCH UNIT D gas by disposition code each month, Aug 2023 to Jul 2026. Since Sep 2023 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 26.3% of the gas in Sep 2024.Share of gas by disposition code0%50%100%Sep 23: plant to lineFlared 26.3%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    81% · 138,617 mcf

  • Lease fuel (1)

    18% · 30,731 mcf

  • Flared (4)

    0.5% · 922 mcf

0.5% of the gas flared in the last 12 months. 6 months above 3%.

Who has run this lease

The operator changed once, most recently in Sep 2023

Operators of this lease over timeSN Ef Maverick, LLC, Jan 2020 to Aug 2023; Javelin Energy Partners Mgmt LLC, Sep 2023 to Jul 20262020202120222023202420252026Changed Sep 2023SN Ef Maverick, LLCJan 2020 to Aug 2023Javelin Energy Partners Mgmt…Sep 2023 to now
Operators of this lease over timeSN Ef Maverick, LLC, Jan 2020 to Aug 2023; Javelin Energy Partners Mgmt LLC, Sep 2023 to Jul 20262020202120222023202420252026Changed Sep 2023SN Ef Maverick, LLCJan 2020 to Aug 2023Javelin Energy Partners Mgmt LLCSep 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

8 wells on this lease

Wells on STUMBERG RANCH UNIT D
API numberWell no.Status
42-127-3794401HAActive
42-127-3794601HCActive
42-127-3794701HDActive
42-127-3794801HFActive
42-127-3797402HAActive
42-127-3797502HCActive
42-127-3797602HDActive
42-127-3797802HFActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Springfield Pipeline LLCOilGathers100Dec 1, 2023–
Javelin Marketing, LLCCasinghead gasBuys100Dec 1, 2023–
Springfield Pipeline LLCCasinghead gasGathers100Feb 11, 2019–
Tenaska Marketing VenturesCasinghead gasBuys100Sep 1, 2023Dec 1, 2023
Flint Hills Resources, LPOilGathers10Sep 1, 2023Dec 1, 2023
Plains Marketing, L.p.OilGathers10Sep 1, 2023Dec 1, 2023
Springfield Pipeline LLCOilGathers80Sep 1, 2023Dec 1, 2023
Sn Ef Maverick, LLCCasinghead gasBuys100Feb 11, 2019Sep 1, 2023
Eastex Crude Company, LLCOilGathers5Jan 1, 2023Sep 1, 2023

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

Who buys my oilOil price check

578.63 acres on the newest permit

  • Good to know

    8 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

Check your decimal on this lease
Permits for Stumberg Ranch Unit D
API numberWell no.Acreson the permit
42-127-3797402HA578.63
42-127-3797502HC578.63
42-127-3797602HD578.63
42-127-3797802HF578.63
42-127-3794401HA578.63
42-127-3794601HC578.63
42-127-3794701HD578.63
42-127-3794801HF578.63

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

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36 months, newest first

Ledger for STUMBERG RANCH UNIT D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Javelin Energy1,6481,65813,49311,3393$80.46$2.89
Jun 2026Javelin Energy1,8881,80213,62111,150103$84.81$3.15
May 2026Javelin Energy1,4841,51515,33412,73340$102.13$2.94
Apr 2026Javelin Energy1,5881,59114,04611,689141$100.32$2.77
Mar 2026Javelin Energy1,7661,79914,57512,11111$91.38$3.04
Feb 2026Javelin Energy1,6791,71914,16311,87726$64.51$3.62
Jan 2026Javelin Energy1,7241,76313,89211,117149$60.04$7.72
Dec 2025Javelin Energy1,7521,73912,4359,52338$57.97$4.26
Nov 2025Javelin Energy1,9762,04613,48610,9583$60.06$3.79
Oct 2025Javelin Energy2,1512,01114,77111,750164$60.89$3.19
Sep 2025Javelin Energy1,7621,82016,72013,48963$63.96$2.97
Aug 2025Javelin Energy1,8561,84213,73410,881181$64.86$2.91
Jul 2025Javelin Energy1,8361,90613,97210,815359$68.39$3.20
Jun 2025Javelin Energy1,7761,73510,5057,836233$68.17$3.02
May 2025Javelin Energy1,9542,00514,86510,0581,361$62.17$3.12
Apr 2025Javelin Energy2,2432,22821,37313,1251,938$63.54$3.42
Mar 2025Javelin Energy2,2282,16915,46112,4960$68.24$4.12
Feb 2025Javelin Energy2,0361,99512,97110,8760$71.53$4.19
Jan 2025Javelin Energy2,0772,07616,23413,7510$75.74$4.13
Dec 2024Javelin Energy2,3192,30214,50812,0140$70.12$3.01
Nov 2024Javelin Energy2,2962,27914,60612,35946$69.95$2.12
Oct 2024Javelin Energy2,2512,24514,43111,622620$71.99$2.20
Sep 2024Javelin Energy2,0842,12113,9348,0423,665$70.24$2.28
Aug 2024Javelin Energy2,3272,30215,32612,395466$76.68$1.99
Jul 2024Javelin Energy2,4982,52315,47612,696253$81.80$2.07
Jun 2024Javelin Energy2,3202,37012,86810,39243$79.77$2.54
May 2024Javelin Energy2,4622,47115,86312,160500$80.02$2.12
Apr 2024Javelin Energy2,6762,63116,82413,93037$85.35$1.60
Mar 2024Javelin Energy2,4942,49818,37215,2380$81.28$1.49
Feb 2024Javelin Energy2,3162,28715,05011,9070$77.25$1.72
Jan 2024Javelin Energy2,6032,61215,31411,7400$74.15$3.18
Dec 2023Javelin Energy3,9573,97320,32216,6700$71.90$2.52
Nov 2023Javelin Energy5,0665,13021,79017,2070$77.69$2.71
Oct 2023Javelin Energy4,8744,78621,25317,9780$85.64$2.98
Sep 2023Javelin Energy4,4684,47018,16215,4110$89.43$2.64
Aug 2023SN Ef2,5362,51913,09213,0430$81.39$2.58

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorJavelin Energy Partners Mgmt LLCFieldBriscoe Ranch (Eagleford)CountyDimmit County

Javelin Energy Partners Mgmt LLC in Dimmit County

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Briscoe Ranch (Eagleford) field

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