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Texas oil lease

Producing

UL MOCKINGBIRD 13-2 E

Ul Mockingbird 13-2 E is an oil lease in Martin County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

1 well

54,371bbl oil, last 12 months−20% vs prior year
Operator
Diamondback E&P LLC
County
Martin County
Field
Spraberry (Trend Area)
RRC lease
08-57588

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Where it sits

This county

Martin CountyMartinGainesAndrewsHowardDawsonBordenMartin County
Martin County
Gas, last 12 months
109,696 mcf
Oil in Jul 2026
3,851 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 UL MOCKINGBIRD 13-2 E, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 54,371 bbl in the 12 months through Jul 2026, against 68,175 bbl in the 12 months before.Last 12 months: 54,371 bblbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010k10k12.5kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 20% over the last 12 monthsMonthly oil production and gas for UL MOCKINGBIRD 13-2 E, Aug 2023 to Jul 2026. Oil output fell 20% over the last 12 months. 54,371 bbl in the 12 months through Jul 2026, against 68,175 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010k10k12.5kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Over 99% of the gas went to a transmission line in the last 12 months

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Over 99% of the gas went to a transmission line in the last 12 monthsShare of UL MOCKINGBIRD 13-2 E gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Over 99% of the gas went to a transmission line in the last 12 monthsShare of UL MOCKINGBIRD 13-2 E gas by disposition code each month, Aug 2023 to Jul 2026. Over 99% of the gas went to a transmission line in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    100% · 109,230 mcf

  • Flared (4)

    0.2% · 241 mcf

  • Lease fuel (1)

    0.2% · 225 mcf

0.2% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on UL MOCKINGBIRD 13-2 E
API numberWell no.Status
42-317-438433LSActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Oryx Midland Oil Gathering LLCOilGathers100Apr 26, 2022

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

Who buys my oilOil price check

640 acres on the newest permit

An allocation well is on this lease

Permits for Ul Mockingbird 13-2 E
API numberWell no.Acreson the permit
42-317-438433LS640

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 UL MOCKINGBIRD 13-2 E
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20263,8513,8438,5158,4951$80.46$2.89
Jun 20264,1674,1669,4189,3971$84.81$3.15
May 20264,2764,2589,4149,3877$102.13$2.94
Apr 20264,5214,5669,5429,5240$100.32$2.77
Mar 20264,8674,82910,20410,1830$91.38$3.04
Feb 20264,4624,4518,7818,7630$64.51$3.62
Jan 20265,1075,1129,6309,6091$60.04$7.72
Dec 20255,1185,1258,7708,7520$57.97$4.26
Nov 20254,6744,6388,7188,469231$60.06$3.79
Oct 20253,3193,3406,4816,4680$60.89$3.19
Sep 20254,8264,82010,30610,2860$63.96$2.97
Aug 20255,1835,1919,9179,8970$64.86$2.91
Jul 20255,4315,45010,75210,7310$68.39$3.20
Jun 20255,6125,60310,12610,08811$68.17$3.02
May 20255,2815,2809,6399,6000$62.17$3.12
Apr 20255,4255,46510,33510,2910$63.54$3.42
Mar 20256,0506,0549,0268,9870$68.24$4.12
Feb 20255,3515,3078,3398,3020$71.53$4.19
Jan 20255,8365,8728,7648,7260$75.74$4.13
Dec 20245,9155,9138,9298,86031$70.12$3.01
Nov 20245,7035,6966,1506,1094$69.95$2.12
Oct 20245,7245,7426,2035,9720$71.99$2.20
Sep 20245,5825,6107,3796,90610$70.24$2.28
Aug 20246,2656,2497,9577,44512$76.68$1.99
Jul 20246,5606,5677,0626,5880$81.80$2.07
Jun 20246,3726,3706,8416,3320$79.77$2.54
May 20245,8035,7668,1727,59135$80.02$2.12
Apr 20247,2917,2789,8489,2170$85.35$1.60
Mar 20246,9456,9719,4138,8080$81.28$1.49
Feb 20246,4166,3928,8778,3160$77.25$1.72
Jan 20247,3017,41610,5879,90121$74.15$3.18
Dec 20237,3827,3479,4078,8160$71.90$2.52
Nov 20237,0777,0219,3968,8250$77.69$2.71
Oct 20237,6027,6459,2628,7070$85.64$2.98
Sep 20238,2038,1157,9257,4880$89.43$2.64
Aug 20238,3868,4549,5478,9680$81.39$2.58

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

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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyMartin County

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