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Texas oil lease

Producing

WHIRLAWAY 99

Whirlaway 99 is an oil lease in Ward County, Texas, operated by Diamondback E&P LLC in the Phantom (Wolfcamp) field.

1 well

20,326bbl oil, last 12 months+61% vs prior year
Operator
Diamondback E&P LLC
County
Ward County
Field
Phantom (Wolfcamp)
RRC lease
08-48022

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Where it sits

This county

Ward CountyWardWinklerCraneLovingReevesEctorWard County
Ward County
Gas, last 12 months
14,518 mcf
Oil in Jul 2026
1,703 bbl

Production by month

Oil output rose 61% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 61% over the last 12 monthsMonthly oil production and gas for WHIRLAWAY 99, Aug 2023 to Jul 2026. Oil output rose 61% over the last 12 months. 20,326 bbl in the 12 months through Jul 2026, against 12,595 bbl in the 12 months before.Last 12 months: 20,326 bblbbl per monthmcf per month001,0002,5002,0005,0003,0007,5004,00010k5,00012.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 61% over the last 12 monthsMonthly oil production and gas for WHIRLAWAY 99, Aug 2023 to Jul 2026. Oil output rose 61% over the last 12 months. 20,326 bbl in the 12 months through Jul 2026, against 12,595 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001,0002,5002,0005,0003,0007,5004,00010k5,00012.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2026 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 76.0% of the gas in Dec 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Apr 2026 the lease's gas goes to a transmission line instead of lease fuelShare of WHIRLAWAY 99 gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 76.0% of the gas in Dec 2023.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2026: fuel to lineFlared 76.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2026 the lease's gas goes to a transmission line instead of lease fuelShare of WHIRLAWAY 99 gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 76.0% of the gas in Dec 2023.Share of gas by disposition code0%50%100%Apr 26: fuel to lineFlared 76.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    83% · 12,117 mcf

  • Lease fuel (1)

    16% · 2,337 mcf

  • Flared (4)

    0.4% · 64 mcf

0.4% of the gas flared in the last 12 months. 10 months above 3%.

Who has run this lease

The operator changed once, most recently in Dec 2022

Operators of this lease over timeManti Tarka Permian Op, LLC, Jan 2020 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Dec 2022Manti Tarka Permian Op, LLCJan 2020 to Nov 2022Diamondback E&P LLCDec 2022 to now
Operators of this lease over timeManti Tarka Permian Op, LLC, Jan 2020 to Nov 2022; Diamondback E&P LLC, Dec 2022 to Jul 20262020202120222023202420252026Changed Dec 2022Manti Tarka Permian Op, LLCJan 2020 to Nov 2022Diamondback E&P LLCDec 2022 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on WHIRLAWAY 99
API numberWell no.Status
42-475-370461HAActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Explore Logistics LLCOilGathers100Feb 1, 2024–
Targa Midstream Services LLCCasinghead gasBuys100Jan 27, 2016–
Targa Midstream Services LLCCasinghead gasGathers100Jan 27, 2016–
Enterprise Crude Oil LLCOilGathers100Apr 1, 2021Feb 1, 2024
Shell Trading (Us) CompanyOilGathers100Jan 27, 2016Apr 1, 2021

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

Who buys my oilOil price check

640 acres on the newest permit

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Permits for Whirlaway 99
API numberWell no.Acreson the permit
42-475-370461HA640

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 WHIRLAWAY 99
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P1,7031,6561,7611,5440$80.46$2.89
Jun 2026Diamondback E&P1,7341,8281,5471,3370$84.81$3.15
May 2026Diamondback E&P3,0003,0631,7561,47564$102.13$2.94
Apr 2026Diamondback E&P8467304253270$100.32$2.77
Mar 2026Diamondback E&P1,2331,2943671500$91.38$3.04
Feb 2026Diamondback E&P1,1841,1125883920$64.51$3.62
Jan 2026Diamondback E&P1,3991,4588896720$60.04$7.72
Dec 2025Diamondback E&P1,8601,6731,0518420$57.97$4.26
Nov 2025Diamondback E&P1,7181,9051,2921,0890$60.06$3.79
Oct 2025Diamondback E&P2,1382,2161,8111,5960$60.89$3.19
Sep 2025Diamondback E&P1,9701,9392,1361,9960$63.96$2.97
Aug 2025Diamondback E&P1,5411,6828956970$64.86$2.91
Jul 2025Diamondback E&P1,3701,1271,4501,24090$68.39$3.20
Jun 2025Diamondback E&P1,7581,6811,277270$68.17$3.02
May 2025Diamondback E&P20319324850$62.17$3.12
Apr 2025Diamondback E&P11671440$63.54$3.42
Mar 2025Diamondback E&P1,0221,60410,1318,8560$68.24$4.12
Feb 2025Diamondback E&P1,2449347,8476,5720$71.53$4.19
Jan 2025Diamondback E&P1,1891,2207,4641,0655,024$75.74$4.13
Dec 2024Diamondback E&P1,3191,1115,3112,6011,181$70.12$3.01
Nov 2024Diamondback E&P8991,1115,2393,602283$69.95$2.12
Oct 2024Diamondback E&P1,3311,3106,9375,3960$71.99$2.20
Sep 2024Diamondback E&P9859393,3462,0120$70.24$2.28
Aug 2024Diamondback E&P1,2741,1443,4401,90732$76.68$1.99
Jul 2024Diamondback E&P1,1171,2792,7021,2350$81.80$2.07
Jun 2024Diamondback E&P1,0719372,4181,02544$79.77$2.54
May 2024Diamondback E&P1,0311,1522,6971,21469$80.02$2.12
Apr 2024Diamondback E&P1,6021,8573,4601,805116$85.35$1.60
Mar 2024Diamondback E&P1,3341,1133,1041,45360$81.28$1.49
Feb 2024Diamondback E&P1,2271,4982,2397310$77.25$1.72
Jan 2024Diamondback E&P1,2421,0782,30741900$74.15$3.18
Dec 2023Diamondback E&P1,6531,4917,7132415,860$71.90$2.52
Nov 2023Diamondback E&P1,5361,6523,0371,077400$77.69$2.71
Oct 2023Diamondback E&P1,5741,6174,7319182,201$85.64$2.98
Sep 2023Diamondback E&P1,5941,4432,5691,0090$89.43$2.64
Aug 2023Diamondback E&P1,6051,9622,0924800$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 LLCFieldPhantom (Wolfcamp)CountyWard County

Diamondback E&P LLC in Ward County

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Phantom (Wolfcamp) field

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