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Producing

MUD HEN 57-31 D

Mud Hen 57-31 D is an oil lease in Ward County, Texas, operated by Diamondback E&P LLC in the Hoefs T-K (Wolfcamp) field.

1 well

40,759bbl oil, last 12 months−24% vs prior year
Operator
Diamondback E&P LLC
County
Ward County
Field
Hoefs T-K (Wolfcamp)
RRC lease
08-54957

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Where it sits

This county

Ward CountyWardWinklerCraneLovingReevesEctorWard County
Ward County
Gas, last 12 months
144,308 mcf
Oil in Jul 2026
4,795 bbl

Production by month

Oil output fell 24% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 24% over the last 12 monthsMonthly oil production and gas for MUD HEN 57-31 D, Aug 2023 to Jul 2026. Oil output fell 24% over the last 12 months. 40,759 bbl in the 12 months through Jul 2026, against 53,286 bbl in the 12 months before.Last 12 months: 40,759 bblbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020k10k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 24% over the last 12 monthsMonthly oil production and gas for MUD HEN 57-31 D, Aug 2023 to Jul 2026. Oil output fell 24% over the last 12 months. 40,759 bbl in the 12 months through Jul 2026, against 53,286 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0005,0004,00010k6,00015k8,00020k10k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

96% of the gas went to a transmission line in the last 12 months

Flaring peaked at 9.5% of the gas in Dec 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
96% of the gas went to a transmission line in the last 12 monthsShare of MUD HEN 57-31 D gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a transmission line in the last 12 months. Flaring peaked at 9.5% of the gas in Dec 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 9.5%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
96% of the gas went to a transmission line in the last 12 monthsShare of MUD HEN 57-31 D gas by disposition code each month, Aug 2023 to Jul 2026. 96% of the gas went to a transmission line in the last 12 months. Flaring peaked at 9.5% of the gas in Dec 2025.Share of gas by disposition code0%50%100%Flared 9.5%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    96% · 138,501 mcf

  • Flared (4)

    2.6% · 3,823 mcf

  • Lease fuel (1)

    1.4% · 1,984 mcf

2.6% of the gas flared in the last 12 months. 5 months above 3%.

1 well on this lease

Wells on MUD HEN 57-31 D
API numberWell no.Status
42-475-381304BSActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Energy Trans Crude Marketing LLCOilGathers100Nov 1, 2025
Brazos Midstream Operating, LLCCasinghead gasBuys100Nov 1, 2025
Brazos Midstream Operating, LLCCasinghead gasGathers100Nov 1, 2025

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

Who buys my oilOil price check

780.95 acres on the newest permit

  • Worth asking

    An allocation well is on this lease

    A well drilled across several tracts shares its production by an allocation formula, so the decimal is not always your acres over the unit acres. Ask the operator for the allocation formula and the tract factor for your land.

  • 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 Mud Hen 57-31 D
API numberWell no.Acreson the permit
42-475-381304BS780.95

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 MUD HEN 57-31 D
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264,7954,79317,07716,81032$80.46$2.89
Jun 20264,8154,81014,58514,3870$84.81$3.15
May 20263,6933,69310,3889,692573$102.13$2.94
Apr 20262,9282,95710,53610,202188$100.32$2.77
Mar 20262,8812,85410,84110,010669$91.38$3.04
Feb 20262,9702,9698,9428,318497$64.51$3.62
Jan 20262,9302,9488,9038,606168$60.04$7.72
Dec 20253,3913,35910,6149,4521,010$57.97$4.26
Nov 20252,6012,60313,19112,469541$60.06$3.79
Oct 20253,3843,39913,29512,966145$60.89$3.19
Sep 20253,5663,55512,38812,2230$63.96$2.97
Aug 20252,8052,81513,54813,3660$64.86$2.91
Jul 20253,7043,70414,66414,4730$68.39$3.20
Jun 20253,5123,51014,20413,864154$68.17$3.02
May 20253,7013,70314,56614,3800$62.17$3.12
Apr 20253,8583,91913,50913,3290$63.54$3.42
Mar 20254,5514,49213,84113,64323$68.24$4.12
Feb 20253,4333,45912,00911,75496$71.53$4.19
Jan 20254,0994,08316,48816,2954$75.74$4.13
Dec 20244,9214,92519,03718,311534$70.12$3.01
Nov 20244,8734,87718,26518,01077$69.95$2.12
Oct 20245,2665,25218,44918,168104$71.99$2.20
Sep 20245,4325,44619,46718,996285$70.24$2.28
Aug 20245,9365,95423,33823,05571$76.68$1.99
Jul 20245,8685,84124,29223,961109$81.80$2.07
Jun 20245,5495,54320,63020,331113$79.77$2.54
May 20245,2545,28319,16018,861122$80.02$2.12
Apr 20245,6655,62522,13121,839102$85.35$1.60
Mar 20245,2995,30722,69722,47618$81.28$1.49
Feb 20244,9925,03118,02517,76689$77.25$1.72
Jan 20246,2706,23420,56719,874520$74.15$3.18
Dec 20236,5346,54221,73421,5631$71.90$2.52
Nov 20237,1697,22822,92522,561184$77.69$2.71
Oct 20237,3247,29122,19121,478542$85.64$2.98
Sep 20235,9875,99417,26516,804329$89.43$2.64
Aug 20236,3986,38020,67220,43583$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 LLCFieldHoefs T-K (Wolfcamp)CountyWard County

Diamondback E&P LLC in Ward County

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Hoefs T-K (Wolfcamp) field

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