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Texas oil lease

Producing

KOONCE NORTH 39-34 UNIT 1B

Koonce North 39-34 Unit 1B is an oil lease in Glasscock County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

2 wells

55,794bbl oil, last 12 months−18% vs prior year
Operator
Diamondback E&P LLC
County
Glasscock County
Field
Spraberry (Trend Area)
RRC lease
08-56538

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
273,189 mcf
Oil in Jul 2026
4,190 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

  • Buyer

    Buyer changed: ENTERPRISE M B MIDSTREAM LLC replaced ENT NAVITAS MDSTRM MDLND BAS LLC as the buyer of this lease's gas from oil wells on Aug 1, 2025.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for KOONCE NORTH 39-34 UNIT 1B, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 55,794 bbl in the 12 months through Jul 2026, against 68,320 bbl in the 12 months before.Last 12 months: 55,794 bblbbl per monthmcf per month002,50010k5,00020k7,50030k10k40kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for KOONCE NORTH 39-34 UNIT 1B, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 55,794 bbl in the 12 months through Jul 2026, against 68,320 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,50010k5,00020k7,50030k10k40kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 5.6% of the gas in Sep 2024.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of KOONCE NORTH 39-34 UNIT 1B gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 5.6% of the gas in Sep 2024.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 5.6%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of KOONCE NORTH 39-34 UNIT 1B gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 5.6% of the gas in Sep 2024.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 5.6%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 258,232 mcf

  • Lease fuel (1)

    4.3% · 11,754 mcf

  • Flared (4)

    1.2% · 3,203 mcf

1.2% of the gas flared in the last 12 months. 4 months above 3%.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeEndeavor Energy Resources L.P., Sep 2021 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Sep 2021 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Sep 2021 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 202620222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Sep 2021 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on KOONCE NORTH 39-34 UNIT 1B
API numberWell no.Status
42-173-38467221Active
42-173-38468241Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Trans Crude Marketing LLCOilGathers100Sep 10, 2021–
Enterprise M B Midstream LLCCasinghead gasBuys100Aug 1, 2025–
Enterprise Products Operating LLCCasinghead gasGathers100Aug 1, 2025–
Ent Navitas Mdstrm Mdlnd Bas LLCCasinghead gasGathers100Jun 1, 2023Aug 1, 2025
Ent Navitas Mdstrm Mdlnd Bas LLCCasinghead gasBuys100Jun 1, 2023Aug 1, 2025
Navitas Mdstr Midland Basin, LLCCasinghead gasGathers100Sep 10, 2021Jun 1, 2023
Navitas Mdstr Midland Basin, LLCCasinghead gasBuys100Sep 10, 2021Jun 1, 2023

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

Who buys my oilOil price check

663.19 acres on the newest permit

Check your decimal on this lease
Permits for Koonce North 39-34 Unit 1B
API numberWell no.Acreson the permit
42-173-38467221663.19
42-173-38468241663.19

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

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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 KOONCE NORTH 39-34 UNIT 1B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P4,1904,17921,50420,6637$80.46$2.89
Jun 2026Diamondback E&P4,8104,78725,28224,257139$84.81$3.15
May 2026Diamondback E&P3,7113,73618,99018,22452$102.13$2.94
Apr 2026Diamondback E&P4,6484,63923,01822,07074$100.32$2.77
Mar 2026Diamondback E&P4,6704,67123,52622,440140$91.38$3.04
Feb 2026Diamondback E&P4,5004,50824,82722,4511,370$64.51$3.62
Jan 2026Diamondback E&P4,5184,53518,53216,989384$60.04$7.72
Dec 2025Diamondback E&P4,7414,73720,54519,4720$57.97$4.26
Nov 2025Diamondback E&P5,3225,29926,27725,1310$60.06$3.79
Oct 2025Diamondback E&P4,7434,77720,70319,376352$60.89$3.19
Sep 2025Diamondback E&P5,1725,14326,26225,1387$63.96$2.97
Aug 2025Diamondback E&P4,7694,74423,72322,021678$64.86$2.91
Jul 2025Diamondback E&P5,8025,83432,26930,418521$68.39$3.20
Jun 2025Diamondback E&P4,8494,84219,72918,588276$68.17$3.02
May 2025Diamondback E&P5,1785,18523,68221,7081,082$62.17$3.12
Apr 2025Diamondback E&P5,2785,26723,20521,651704$63.54$3.42
Mar 2025Diamondback E&P5,6815,72323,71822,71188$68.24$4.12
Feb 2025Diamondback E&P5,2535,21923,53422,494178$71.53$4.19
Jan 2025Diamondback E&P5,7155,67525,15024,21944$75.74$4.13
Dec 2024Endeavor Energy5,7865,78526,53225,069505$70.12$3.01
Nov 2024Endeavor Energy5,9886,02427,80026,588245$69.95$2.12
Oct 2024Endeavor Energy6,1976,23226,90825,607390$71.99$2.20
Sep 2024Endeavor Energy6,0946,09125,24222,8611,421$70.24$2.28
Aug 2024Endeavor Energy6,4996,45624,53323,6793$76.68$1.99
Jul 2024Endeavor Energy6,8566,88626,20825,2860$81.80$2.07
Jun 2024Endeavor Energy6,2736,26121,17220,24881$79.77$2.54
May 2024Endeavor Energy7,3147,31326,80725,8711$80.02$2.12
Apr 2024Endeavor Energy6,9046,90027,30626,3860$85.35$1.60
Mar 2024Endeavor Energy7,4307,44827,43926,653320$81.28$1.49
Feb 2024Endeavor Energy7,1947,17928,60828,1220$77.25$1.72
Jan 2024Endeavor Energy7,4927,49828,68928,2120$74.15$3.18
Dec 2023Endeavor Energy8,0097,99228,40327,5990$71.90$2.52
Nov 2023Endeavor Energy7,9317,92026,09026,0900$77.69$2.71
Oct 2023Endeavor Energy8,5928,61430,74829,5840$85.64$2.98
Sep 2023Endeavor Energy8,6068,60530,38829,0290$89.43$2.64
Aug 2023Endeavor Energy9,1279,10932,43231,0720$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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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyGlasscock County

Diamondback E&P LLC in Glasscock County

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Spraberry (Trend Area) field

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