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Texas oil lease

Producing

NEFF WEST E 9-4

Neff West E 9-4 is an oil lease in Upton County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

1 well

78,403bbl oil, last 12 months
RRC lease
7C-22817

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
786,924 mcf
Oil in Jul 2026
4,911 bbl

Production by month

Oil output fell 75% since Dec 2024

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 75% since Dec 2024Monthly oil production and gas for NEFF WEST E 9-4, Dec 2024 to Jul 2026. Oil output fell 75% since Dec 2024. Monthly average of 5,595 bbl in the latest 3 months, against 22,615 bbl in the first 3.Last 12 months: 78,403 bblbbl per monthmcf per month0010k25k20k50k30k75k40k100k50k125kJan 25AprJulOctJan 26AprJul
Oil output fell 75% since Dec 2024Monthly oil production and gas for NEFF WEST E 9-4, Dec 2024 to Jul 2026. Oil output fell 75% since Dec 2024. Monthly average of 5,595 bbl in the latest 3 months, against 22,615 bbl in the first 3.Last 12 monthsbbl per monthmcf per month0010k25k20k50k30k75k40k100k50k125kJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since May 2025 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 17.7% of the gas in Nov 2025.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since May 2025 the lease's gas goes to a transmission line instead of a processing plantShare of NEFF WEST E 9-4 gas by disposition code each month, Dec 2024 to Jul 2026. Since May 2025 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 17.7% of the gas in Nov 2025.Share of the lease’s gas by disposition code, per month0%50%100%May 2025: plant to lineFlared 17.7%Jan 25AprJulOctJan 26AprJul
Since May 2025 the lease's gas goes to a transmission line instead of a processing plantShare of NEFF WEST E 9-4 gas by disposition code each month, Dec 2024 to Jul 2026. Since May 2025 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 17.7% of the gas in Nov 2025.Share of gas by disposition code0%50%100%May 25: plant to lineFlared 17.7%Jan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    90% · 764,308 mcf

  • Flared (4)

    5.9% · 50,139 mcf

  • Lease fuel (1)

    3.7% · 31,350 mcf

5.9% of the gas flared in the last 12 months. 9 months above 3%.

Who has run this lease

The operator changed once, most recently in May 2025

Operators of this lease over timeDe IV Operating, LLC, Dec 2024 to Apr 2025; Diamondback E&P LLC, May 2025 to Jul 202620252026Changed May 2025De IV Operating, LLCDec 2024 to Apr 2025Diamondback E&P LLCMay 2025 to now
Operators of this lease over timeDe IV Operating, LLC, Dec 2024 to Apr 2025; Diamondback E&P LLC, May 2025 to Jul 202620252026Changed May 2025De IV Operating, LLCDec 2024 to Apr 2025Diamondback E&P LLCMay 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on NEFF WEST E 9-4
API numberWell no.Status
42-461-426504305HActive

SourceTexas Railroad Commission Wellbore Query.

646.48 acres on the newest permit

An allocation well is on this lease

Permits for Neff West E 9-4
API numberWell no.Acreson the permit
42-461-426504305H646.48

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

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

20 months, newest first

Ledger for NEFF WEST E 9-4
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P4,9114,91457,38855,2681,317$80.46$2.89
Jun 2026Diamondback E&P5,1655,17163,12554,7827,496$84.81$3.15
May 2026Diamondback E&P6,7096,70478,64471,8655,625$102.13$2.94
Apr 2026Diamondback E&P5,9665,97146,85943,0103,165$100.32$2.77
Mar 2026Diamondback E&P6,5256,52256,72849,1876,615$91.38$3.04
Feb 2026Diamondback E&P8,7178,70589,77483,4804,317$64.51$3.62
Jan 2026Diamondback E&P6,5646,54945,47639,9433,996$60.04$7.72
Dec 2025Diamondback E&P013000$57.97$4.26
Nov 2025Diamondback E&P6,1716,18161,09348,11910,808$60.06$3.79
Oct 2025Diamondback E&P11,26811,26188,01782,6661,176$60.89$3.19
Sep 2025Diamondback E&P8,5538,55087,06577,3595,599$63.96$2.97
Aug 2025Diamondback E&P7,8547,849112,755104,7260$64.86$2.91
Jul 2025Diamondback E&P1,4881,52258,87353,90325$68.39$3.20
Jun 2025Diamondback E&P4,8914,95059,23954,8191,643$68.17$3.02
May 2025Diamondback E&P17,81517,79656,15954,229187$62.17$3.12
Apr 2025De IV25,06725,08762,42562,39728$63.54$3.42
Mar 2025De IV32,00232,06052,38451,492892$68.24$4.12
Feb 2025De IV29,51929,44934,27030,3603,910$71.53$4.19
Jan 2025De IV37,86237,82241,96441,692272$75.74$4.13
Dec 2024De IV4634132542540$70.12$3.01

Flared above 3%

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Diamondback E&P LLC in Upton County

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