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Texas oil lease

Producing

KM SOUTH ZAV

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

4 wells

35,745bbl oil, last 12 months−24% vs prior year
Operator
Exco Operating Company, LP
County
Zavala County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-17123

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
20,908 mcf
Oil in Jul 2026
2,848 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 KM SOUTH ZAV, Aug 2023 to Jul 2026. Oil output fell 24% over the last 12 months. 35,745 bbl in the 12 months through Jul 2026, against 46,807 bbl in the 12 months before.Last 12 months: 35,745 bblbbl per monthmcf per month002,0002,0004,0004,0006,0006,0008,0008,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 24% over the last 12 monthsMonthly oil production and gas for KM SOUTH ZAV, Aug 2023 to Jul 2026. Oil output fell 24% over the last 12 months. 35,745 bbl in the 12 months through Jul 2026, against 46,807 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0002,0004,0004,0006,0006,0008,0008,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

93% of the gas went to a transmission line in the last 12 months

Flaring peaked at 31.0% of the gas in Jan 2025.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
93% of the gas went to a transmission line in the last 12 monthsShare of KM SOUTH ZAV gas by disposition code each month, Aug 2023 to Jul 2026. 93% of the gas went to a transmission line in the last 12 months. Flaring peaked at 31.0% of the gas in Jan 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 31.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
93% of the gas went to a transmission line in the last 12 monthsShare of KM SOUTH ZAV gas by disposition code each month, Aug 2023 to Jul 2026. 93% of the gas went to a transmission line in the last 12 months. Flaring peaked at 31.0% of the gas in Jan 2025.Share of gas by disposition code0%50%100%Flared 31.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    93% · 19,471 mcf

  • Lease fuel (1)

    4.5% · 947 mcf

  • Flared (4)

    2.3% · 490 mcf

2.3% of the gas flared in the last 12 months. 6 months above 3%.

4 wells on this lease

Wells on KM SOUTH ZAV
API numberWell no.Status
42-507-32990B 5HActive
42-507-32991B 3HActive
42-507-33360B 1HActive
42-507-33361B 2HActive

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.OilGathers20Jan 1, 2017Jan 1, 2023
Eastex Crude CompanyOilGathers80Oct 1, 2014Jan 1, 2023

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

Who buys my oilOil price check

527.03 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 527.03 and 1,200.41 acres. Use the acres from your own division order for the well you are paid on.

  • 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 South Zav
API numberWell no.Acreson the permit
42-507-33360B 1H527.03
42-507-33361B 2H527.03
42-507-32991B 3H1,200.41
42-507-32990B 5H1,200.41

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for KM SOUTH ZAV
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262,8482,8481,6491,5850$80.46$2.89
Jun 20262,6002,6001,7841,403321$84.81$3.15
May 20262,7512,7512,3022,2260$102.13$2.94
Apr 20262,7262,7262,2261,988151$100.32$2.77
Mar 20262,9512,9511,5191,4370$91.38$3.04
Feb 20262,6552,6551,1231,0510$64.51$3.62
Jan 20263,4623,4621,3091,2440$60.04$7.72
Dec 20253,4043,4041,6381,5640$57.97$4.26
Nov 20253,2193,2191,4331,3140$60.06$3.79
Oct 20253,2623,2622,1542,0760$60.89$3.19
Sep 20252,8332,8332,1712,05818$63.96$2.97
Aug 20253,0343,0341,6001,5250$64.86$2.91
Jul 20253,2143,2141,2701,1990$68.39$3.20
Jun 20253,5603,5601,1951,1260$68.17$3.02
May 20253,2663,2661,2921,120108$62.17$3.12
Apr 20253,5673,5671,6541,55824$63.54$3.42
Mar 20253,7773,7771,1101,0460$68.24$4.12
Feb 20253,2363,2362,0571,8890$71.53$4.19
Jan 20254,8204,8202,1421,383665$75.74$4.13
Dec 20245,2225,2221,3081,2450$70.12$3.01
Nov 20244,1754,1751,0309560$69.95$2.12
Oct 20245,7275,7271,3991,3160$71.99$2.20
Sep 20242,8922,8921,9381,8360$70.24$2.28
Aug 20243,3513,3513,1542,090226$76.68$1.99
Jul 20242,9432,9431,311911180$81.80$2.07
Jun 20243,6263,6261,1421,0700$79.77$2.54
May 20243,7993,7991,4551,3860$80.02$2.12
Apr 20243,8213,8212,2472,13632$85.35$1.60
Mar 20243,7133,7133,2333,1700$81.28$1.49
Feb 20243,9833,9834,5564,4900$77.25$1.72
Jan 20243,6943,6944,7044,6390$74.15$3.18
Dec 20233,1443,1444,2804,2190$71.90$2.52
Nov 20233,9633,9634,6114,5440$77.69$2.71
Oct 20234,3334,3335,5485,4580$85.64$2.98
Sep 20234,5284,5284,6184,5410$89.43$2.64
Aug 20234,6374,6375,2495,1270$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

OperatorExco Operating Company, LPFieldBriscoe Ranch (Eagleford)CountyZavala County

Exco Operating Company, LP in Zavala County

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Briscoe Ranch (Eagleford) field

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