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Texas oil lease

Producing

MILLIE B

Millie B is an oil lease in Ector County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

17 wells

5,402bbl oil, last 12 months−20% vs prior year
Operator
Diamondback E&P LLC
County
Ector County
Field
Spraberry (Trend Area)
RRC lease
08-51251

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Where it sits

This county

Ector CountyEctorMartinMidlandAndrewsWinklerWardEctor County
Ector County
Gas, last 12 months
18,704 mcf
Oil in Jul 2026
423 bbl

Production by month

Oil output fell 20% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 20% over the last 12 monthsMonthly oil production and gas for MILLIE B, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 5,402 bbl in the 12 months through Jul 2026, against 6,715 bbl in the 12 months before.Last 12 months: 5,402 bblbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 20% over the last 12 monthsMonthly oil production and gas for MILLIE B, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 5,402 bbl in the 12 months through Jul 2026, against 6,715 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

98% of the gas went to a transmission line in the last 12 months

Flaring peaked at 11.1% of the gas in Feb 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
98% of the gas went to a transmission line in the last 12 monthsShare of MILLIE B gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a transmission line in the last 12 months. Flaring peaked at 11.1% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 11.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
98% of the gas went to a transmission line in the last 12 monthsShare of MILLIE B gas by disposition code each month, Aug 2023 to Jul 2026. 98% of the gas went to a transmission line in the last 12 months. Flaring peaked at 11.1% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Flared 11.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    98% · 18,390 mcf

  • Flared (4)

    1.2% · 224 mcf

  • Lease fuel (1)

    0.5% · 90 mcf

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

Who has run this lease

The operator changed once, most recently in Dec 2022

Operators of this lease over timeFirebird Energy LLC, Jan 2020 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Dec 2022Firebird Energy LLCJan 2020 to Nov 2022Diamondback E&P LLCDec 2022 to now
Operators of this lease over timeFirebird Energy LLC, Jan 2020 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Dec 2022Firebird Energy LLCJan 2020 to Nov 2022Diamondback E&P LLCDec 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

17 wells on this lease

Wells on MILLIE B
API numberWell no.Status
42-103-3590122Shut-in
42-135-4056719Active
42-135-4056823Active
42-135-4058625Active
42-135-4058729Active
42-135-406241Shut-in
42-135-4062611Active
42-135-4063413Active
42-135-4074016FActive
42-135-4137115Active
42-135-4146518Active
42-135-4156212Active
42-135-4157021Active
42-135-4157317Active
42-135-416065Shut-in
42-135-416629Shut-in
42-135-421194Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers50Jul 1, 2019–
Enterprise Crude Pipeline LLCOilGathers50Jul 1, 2019–
Targa Midstream Services LLCCasinghead gasBuys100Aug 1, 2019–
Targa Midstream Services LLCCasinghead gasGathers100Aug 1, 2019–
Dcp Operating Company, LPCasinghead gasGathers100Jul 1, 2018Aug 1, 2019
Dcp Operating Company, LPCasinghead gasBuys100Jul 1, 2019Aug 1, 2019
Cokinos Energy, L.l.c.Casinghead gasBuys100Jul 1, 2018Jul 1, 2019
Rio Energy International, Inc.OilGathers100Jul 1, 2018Jul 1, 2019

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

Who buys my oilOil price check

1,306.50 acres on the newest permit

17 wells are listed on this lease

Permits for Millie B
API numberWell no.Acreson the permit
42-135-4211941,306.50
42-135-41371151,306.50
42-135-41465181,306.50
42-135-41562121,306.50
42-135-41570211,306.50
42-135-41573171,306.50
42-135-4160651,306.50
42-135-4166291,306.50
42-103-35901221,306.50
42-135-40567191,306.50
42-135-40568231,306.50
42-135-40586251,306.50

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 MILLIE B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P4234216926910$80.46$2.89
Jun 2026Diamondback E&P3923949319270$84.81$3.15
May 2026Diamondback E&P4454431,2931,2870$102.13$2.94
Apr 2026Diamondback E&P4444411,3911,3840$100.32$2.77
Mar 2026Diamondback E&P4594631,6151,54560$91.38$3.04
Feb 2026Diamondback E&P4214201,4771,305164$64.51$3.62
Jan 2026Diamondback E&P4584581,5351,5280$60.04$7.72
Dec 2025Diamondback E&P4814791,6801,6710$57.97$4.26
Nov 2025Diamondback E&P3643631,3971,3910$60.06$3.79
Oct 2025Diamondback E&P4924922,0752,0650$60.89$3.19
Sep 2025Diamondback E&P5035022,1442,1330$63.96$2.97
Aug 2025Diamondback E&P5205202,4742,4630$64.86$2.91
Jul 2025Diamondback E&P5195192,2912,2800$68.39$3.20
Jun 2025Diamondback E&P5855912,1732,1620$68.17$3.02
May 2025Diamondback E&P5915892,4142,4140$62.17$3.12
Apr 2025Diamondback E&P5265252,3042,3040$63.54$3.42
Mar 2025Diamondback E&P5205202,5952,5950$68.24$4.12
Feb 2025Diamondback E&P4474462,1432,1430$71.53$4.19
Jan 2025Diamondback E&P5455452,9862,93749$75.74$4.13
Dec 2024Diamondback E&P5345353,0293,0200$70.12$3.01
Nov 2024Diamondback E&P5185173,0192,95948$69.95$2.12
Oct 2024Diamondback E&P5505532,8982,8860$71.99$2.20
Sep 2024Diamondback E&P7737722,7612,7480$70.24$2.28
Aug 2024Diamondback E&P6076061,0991,0980$76.68$1.99
Jul 2024Diamondback E&P5125151,0631,0620$81.80$2.07
Jun 2024Diamondback E&P7237241,1471,1450$79.77$2.54
May 2024Diamondback E&P8778751,1231,1210$80.02$2.12
Apr 2024Diamondback E&P7957979819790$85.35$1.60
Mar 2024Diamondback E&P6946921,0911,0870$81.28$1.49
Feb 2024Diamondback E&P6736761,1411,1400$77.25$1.72
Jan 2024Diamondback E&P7787761,1611,1600$74.15$3.18
Dec 2023Diamondback E&P8538491,2461,23214$71.90$2.52
Nov 2023Diamondback E&P8048041,1271,1270$77.69$2.71
Oct 2023Diamondback E&P1,0481,05095792235$85.64$2.98
Sep 2023Diamondback E&P1,0081,0099849419$89.43$2.64
Aug 2023Diamondback E&P1,3561,3551,4731,36722$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 LLCFieldSpraberry (Trend Area)CountyEctor County

Diamondback E&P LLC in Ector County

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Spraberry (Trend Area) field

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