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Producing

FOUR CORNERS TXL FEE 'B'

Four Corners TXL Fee 'B' is an oil lease in Ector County, Texas, operated by Diamondback E&P LLC in the Sallie Ann (Spraberry-Wolfcamp) field.

12 wells

1,438bbl oil, last 12 months−19% vs prior year
Operator
Diamondback E&P LLC
County
Ector County
Field
Sallie Ann (Spraberry-Wolfcamp)
RRC lease
08-45228

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Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County
Gas, last 12 months
3,396 mcf
Oil in Jul 2026
115 bbl

Production by month

Oil output fell 19% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 19% over the last 12 monthsMonthly oil production and gas for FOUR CORNERS TXL FEE 'B', Aug 2023 to Jul 2026. Oil output fell 19% over the last 12 months. 1,438 bbl in the 12 months through Jul 2026, against 1,781 bbl in the 12 months before.Last 12 months: 1,438 bblbbl per monthmcf per month002502005004007506001,0008001,2501,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 19% over the last 12 monthsMonthly oil production and gas for FOUR CORNERS TXL FEE 'B', Aug 2023 to Jul 2026. Oil output fell 19% over the last 12 months. 1,438 bbl in the 12 months through Jul 2026, against 1,781 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002502005004007506001,0008001,2501,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a transmission line in the last 12 months

Flaring peaked at 96.0% of the gas in Sep 2023.

  • Transmission line (2)
  • Flared (4)
93% of the gas went to a transmission line in the last 12 monthsShare of FOUR CORNERS TXL FEE 'B' gas by disposition code each month, Aug 2023 to Jul 2026. 93% of the gas went to a transmission line in the last 12 months. Flaring peaked at 96.0% of the gas in Sep 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 96.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
93% of the gas went to a transmission line in the last 12 monthsShare of FOUR CORNERS TXL FEE 'B' gas by disposition code each month, Aug 2023 to Jul 2026. 93% of the gas went to a transmission line in the last 12 months. Flaring peaked at 96.0% of the gas in Sep 2023.Share of gas by disposition code0%50%100%Flared 96.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    93% · 3,162 mcf

  • Flared (4)

    6.9% · 234 mcf

6.9% of the gas flared in the last 12 months. 14 months above 3%.

Who has run this lease

The operator changed 2 times, most recently in Dec 2022

Operators of this lease over timeChevron U. S. A. Inc., Jan 2020 to Jan 2022; Firebird Energy LLC, Feb 2022 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Feb 2022Changed Dec 2022Chevron U. S. A. Inc.Jan 2020 to Jan 2022Firebird Energy LLCFeb 2022 to Nov 2022Diamondback E&P LLCDec 2022 to now
Operators of this lease over timeChevron U. S. A. Inc., Jan 2020 to Jan 2022; Firebird Energy LLC, Feb 2022 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Feb 2022Changed Dec 2022Chevron U. S. A. Inc.Jan 2020 to Jan 2022Firebird Energy LLCFeb 2022 to Nov 2022Diamondback E&P LLCDec 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

12 wells on this lease

Wells on FOUR CORNERS TXL FEE 'B'
API numberWell no.Status
42-135-429320914EShut-in
42-135-429650902EShut-in
42-135-429740909EActive
42-135-429750908EActive
42-135-429760916EShut-in
42-135-429770912EShut-in
42-135-429780905EActive
42-135-429790906EShut-in
42-135-429800910EActive
42-135-429810901EActive
42-135-429820913EShut-in
42-135-429830904EShut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Pipeline LLCOilGathers100Feb 1, 2022
Targa Midstream Services LLCCasinghead gasBuys100Feb 1, 2022
Targa Midstream Services LLCCasinghead gasGathers100Feb 1, 2022

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

Who buys my oilOil price check

480 acres on the newest permit

  • Good to know

    12 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.

  • 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 Four Corners TXL Fee 'B'
API numberWell no.Acreson the permit
42-135-429760916E480
42-135-429810901E480
42-135-429770912E480
42-135-429780905E480
42-135-429790906E480
42-135-429800910E480
42-135-429820913E480
42-135-429830904E480
42-135-429740909E480
42-135-429750908E480
42-135-429650902E480
42-135-429320914E480

SourceRailroad Commission drilling permits, Oct 3, 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 FOUR CORNERS TXL FEE 'B'
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P1151172882880$80.46$2.89
Jun 2026Diamondback E&P91923163124$84.81$3.15
May 2026Diamondback E&P99963663633$102.13$2.94
Apr 2026Diamondback E&P989936430559$100.32$2.77
Mar 2026Diamondback E&P1041004074070$91.38$3.04
Feb 2026Diamondback E&P12813136235111$64.51$3.62
Jan 2026Diamondback E&P13613637835919$60.04$7.72
Dec 2025Diamondback E&P11211124216676$57.97$4.26
Nov 2025Diamondback E&P13013520815454$60.06$3.79
Oct 2025Diamondback E&P1621932222148$60.89$3.19
Sep 2025Diamondback E&P1391051401400$63.96$2.97
Aug 2025Diamondback E&P1241241031030$64.86$2.91
Jul 2025Diamondback E&P91921131130$68.39$3.20
Jun 2025Diamondback E&P1061041261260$68.17$3.02
May 2025Diamondback E&P11211277770$62.17$3.12
Apr 2025Diamondback E&P108107990$63.54$3.42
Mar 2025Diamondback E&P111119000$68.24$4.12
Feb 2025Diamondback E&P131126000$71.53$4.19
Jan 2025Diamondback E&P13314412120$75.74$4.13
Dec 2024Diamondback E&P2362353983980$70.12$3.01
Nov 2024Diamondback E&P26726634732324$69.95$2.12
Oct 2024Diamondback E&P21520914711037$71.99$2.20
Sep 2024Diamondback E&P112116000$70.24$2.28
Aug 2024Diamondback E&P159161000$76.68$1.99
Jul 2024Diamondback E&P20821556560$81.80$2.07
Jun 2024Diamondback E&P23223269681$79.77$2.54
May 2024Diamondback E&P366382938211$80.02$2.12
Apr 2024Diamondback E&P380425000$85.35$1.60
Mar 2024Diamondback E&P79074231310$81.28$1.49
Feb 2024Diamondback E&P34533262620$77.25$1.72
Jan 2024Diamondback E&P29528438137011$74.15$3.18
Dec 2023Diamondback E&P26331646243428$71.90$2.52
Nov 2023Diamondback E&P96695757755027$77.69$2.71
Oct 2023Diamondback E&P1,1671,16036934227$85.64$2.98
Sep 2023Diamondback E&P1,0941,07027511264$89.43$2.64
Aug 2023Diamondback E&P55654152943594$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

OperatorDiamondback E&P LLCFieldSallie Ann (Spraberry-Wolfcamp)CountyEctor County

Diamondback E&P LLC in Ector County

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Sallie Ann (Spraberry-Wolfcamp) field

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