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Texas oil lease

Producing

KM-MILLER UNIT ZAV

KM-Miller Unit Zav is an oil lease in Zavala County, Texas, operated by Exco Operating Company, LP in the Briscoe Ranch (Eagleford) field.

4 wells

51,153bbl oil, last 12 months−18% vs prior year
RRC lease
01-18398

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
27,891 mcf
Oil in Jul 2026
4,338 bbl

Production by month

Oil output fell 18% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for KM-MILLER UNIT ZAV, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 51,153 bbl in the 12 months through Jul 2026, against 62,478 bbl in the 12 months before.Last 12 months: 51,153 bblbbl per monthmcf per month002,0001,0004,0002,0006,0003,0008,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 18% over the last 12 monthsMonthly oil production and gas for KM-MILLER UNIT ZAV, Aug 2023 to Jul 2026. Oil output fell 18% over the last 12 months. 51,153 bbl in the 12 months through Jul 2026, against 62,478 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0001,0004,0002,0006,0003,0008,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

91% of the gas went to a transmission line in the last 12 months

Flaring peaked at 16.4% of the gas in Jun 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
91% of the gas went to a transmission line in the last 12 monthsShare of KM-MILLER UNIT ZAV gas by disposition code each month, Aug 2023 to Jul 2026. 91% of the gas went to a transmission line in the last 12 months. Flaring peaked at 16.4% of the gas in Jun 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 16.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
91% of the gas went to a transmission line in the last 12 monthsShare of KM-MILLER UNIT ZAV gas by disposition code each month, Aug 2023 to Jul 2026. 91% of the gas went to a transmission line in the last 12 months. Flaring peaked at 16.4% of the gas in Jun 2026.Share of gas by disposition code0%50%100%Flared 16.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    91% · 25,399 mcf

  • Lease fuel (1)

    6.6% · 1,850 mcf

  • Flared (4)

    2.3% · 642 mcf

2.3% of the gas flared in the last 12 months. 4 months above 3%.

4 wells on this lease

Wells on KM-MILLER UNIT ZAV
API numberWell no.Status
42-507-332341HActive
42-507-332352HActive
42-507-332363HActive
42-507-332374HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Harvest Midstream CompanyOilGathers75May 1, 2023–
Eastex Crude Company, LLCOilGathers25Jan 1, 2023–
Raider Marketing, LPCasinghead gasBuys100Jan 1, 2017–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2015–
Paradigm Midstream Svcs-St, LLCOilGathers75Jan 1, 2023May 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers10Sep 1, 2015Jan 1, 2023
Eastex Crude CompanyOilGathers45Jan 1, 2017Jan 1, 2023
Paradigm Midstream Svcs-St, LLCOilGathers45Jan 1, 2017Jan 1, 2023

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

640 acres on the newest permit

  • 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 KM-Miller Unit Zav
API numberWell no.Acreson the permit
42-507-332352H640
42-507-332363H640
42-507-332374H640
42-507-332341H640

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for KM-MILLER UNIT ZAV
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20264,3384,3382,7742,4630$80.46$2.89
Jun 20263,9663,9662,6941,937441$84.81$3.15
May 20264,1404,1402,6562,3220$102.13$2.94
Apr 20263,9153,9152,7042,343151$100.32$2.77
Mar 20264,2344,2341,9851,9190$91.38$3.04
Feb 20263,9063,9062,0902,0260$64.51$3.62
Jan 20264,7414,7412,3282,2640$60.04$7.72
Dec 20254,4914,4911,8451,7810$57.97$4.26
Nov 20253,8023,8021,5651,5030$60.06$3.79
Oct 20254,3844,3842,2712,2070$60.89$3.19
Sep 20254,4134,4132,5092,31650$63.96$2.97
Aug 20254,8234,8232,4702,3180$64.86$2.91
Jul 20254,9524,9522,4422,3380$68.39$3.20
Jun 20255,0195,0192,5112,4100$68.17$3.02
May 20254,9224,9222,2912,003225$62.17$3.12
Apr 20254,9124,9122,9022,74283$63.54$3.42
Mar 20255,2845,2842,6962,6310$68.24$4.12
Feb 20254,5294,5292,3632,2960$71.53$4.19
Jan 20255,8265,8262,1062,0440$75.74$4.13
Dec 20245,6955,6952,9112,8470$70.12$3.01
Nov 20245,2715,2712,8702,8010$69.95$2.12
Oct 20244,9224,9222,6682,5970$71.99$2.20
Sep 20244,8864,8862,8212,7370$70.24$2.28
Aug 20246,2606,2603,3282,99791$76.68$1.99
Jul 20245,5185,5182,6152,39587$81.80$2.07
Jun 20244,4604,4602,7552,6940$79.77$2.54
May 20244,0844,0842,9232,8590$80.02$2.12
Apr 20242,9362,9361,9621,8960$85.35$1.60
Mar 20243,2883,2882,7272,5230$81.28$1.49
Feb 20245,1885,1883,2313,1560$77.25$1.72
Jan 20244,9154,9152,1642,0800$74.15$3.18
Dec 20235,4885,4882,1612,0980$71.90$2.52
Nov 20235,2745,2742,1161,9840$77.69$2.71
Oct 20235,0405,0402,4222,2670$85.64$2.98
Sep 20234,6964,6962,3762,1840$89.43$2.64
Aug 20235,5365,5362,2412,0230$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

Briscoe Ranch (Eagleford) field

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