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Texas oil lease

Producing

LLM SOUTH

LLM South is an oil lease in Zavala County, Texas, operated by U.S. Energy Development Corp in the Briscoe Ranch (Eagleford) field.

7 wells

89,412bbl oil, last 12 months−11% vs prior year
Operator
U.S. Energy Development Corp
County
Zavala County
Field
Briscoe Ranch (Eagleford)
RRC lease
01-19132

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
243,600 mcf
Oil in Jul 2026
6,726 bbl

Checks stopped on this lease?

  • Buyer

    Buyer changed: ENTERPRISE HYDROCARBONS, L.P. replaced WILLIAMS MLP OPERATING LLC as the buyer of this lease's gas from oil wells on Oct 1, 2024.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

See why checks stop on this lease

Production by month

Oil output fell 11% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for LLM SOUTH, Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 89,412 bbl in the 12 months through Jul 2026, against 100,689 bbl in the 12 months before.Last 12 months: 89,412 bblbbl per monthmcf per month002,50010k5,00020k7,50030k10k40kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 11% over the last 12 monthsMonthly oil production and gas for LLM SOUTH, Aug 2023 to Jul 2026. Oil output fell 11% over the last 12 months. 89,412 bbl in the 12 months through Jul 2026, against 100,689 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,50010k5,00020k7,50030k10k40kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jan 2025 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 34.4% of the gas in Jul 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jan 2025 the lease's gas goes to a transmission line instead of lease fuelShare of LLM SOUTH gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 34.4% of the gas in Jul 2024.Share of the lease’s gas by disposition code, per month0%50%100%Jan 2025: fuel to lineFlared 34.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jan 2025 the lease's gas goes to a transmission line instead of lease fuelShare of LLM SOUTH gas by disposition code each month, Aug 2023 to Jul 2026. Since Jan 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 34.4% of the gas in Jul 2024.Share of gas by disposition code0%50%100%Jan 25: fuel to lineFlared 34.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    81% · 197,097 mcf

  • Lease fuel (1)

    13% · 30,537 mcf

  • Flared (4)

    6.6% · 15,966 mcf

6.6% of the gas flared in the last 12 months. 21 months above 3%.

7 wells on this lease

Wells on LLM SOUTH
API numberWell no.Status
42-507-33289A 1EFActive
42-507-33290A 2EFActive
42-507-33291A 3EFActive
42-507-33312C 1EFActive
42-507-33313C 2EFActive
42-507-33314B 1EFActive
42-507-33315B 2EFActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Marketing, L.p.OilGathers100Sep 1, 2025–
Enterprise Hydrocarbons, L.p.Casinghead gasBuys100Oct 1, 2024–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2018–
Apricus Enterprises, LLCOilGathers100Jan 1, 2025Sep 1, 2025
4J Energy, LLCOilGathers100Oct 1, 2024Jan 1, 2025
Williams Mlp Operating LLCCasinghead gasBuys100Oct 1, 2018Oct 1, 2024
Harvest Marketing & Trading, LLCOilGathers100Feb 1, 2023Oct 1, 2024
Ace Gathering, Inc.OilGathers50May 1, 2020Feb 1, 2023
Shell Trading (Us) CompanyOilGathers50May 1, 2020Feb 1, 2023

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

Who buys my oilOil price check

586.10 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 548.1 and 4,290.47 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    7 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • 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 LLM South
API numberWell no.Acreson the permit
42-507-33315B 2EF586.10
42-507-33312C 1EF548.10
42-507-33313C 2EF548.10
42-507-33314B 1EF586.10
42-507-33290A 2EF4,290.47
42-507-33289A 1EF704
42-507-33291A 3EF4,290.47

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

Unit decimal checker

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36 months, newest first

Ledger for LLM SOUTH
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20266,7266,41525,80421,8371,168$80.46$2.89
Jun 20265,9835,66726,03122,2291,045$84.81$3.15
May 20266,5856,72132,34022,9866,828$102.13$2.94
Apr 20267,9147,50528,01622,8182,435$100.32$2.77
Mar 20268,2438,19619,66016,837431$91.38$3.04
Feb 20268,0868,69623,28520,119691$64.51$3.62
Jan 20267,4977,17214,45011,696501$60.04$7.72
Dec 20257,7047,72313,54210,705495$57.97$4.26
Nov 20257,4767,19713,89110,825731$60.06$3.79
Oct 20257,7477,67614,26511,639114$60.89$3.19
Sep 20257,4817,38414,82511,438785$63.96$2.97
Aug 20257,9707,71117,49113,968742$64.86$2.91
Jul 20257,0227,40017,27913,664693$68.39$3.20
Jun 20258,3087,93118,55115,407304$68.17$3.02
May 20257,9068,30623,87519,7631,220$62.17$3.12
Apr 20257,4407,11723,87519,7631,220$63.54$3.42
Mar 20258,2568,77523,14919,2351,219$68.24$4.12
Feb 20258,0648,39416,33613,6410$71.53$4.19
Jan 20257,7168,20015,7968,9604,221$75.74$4.13
Dec 20249,2789,0465,2732,052238$70.12$3.01
Nov 20249,5279,17616,21513,472111$69.95$2.12
Oct 20249,98110,19015,41212,107664$71.99$2.20
Sep 20248,1327,38612,69910,32387$70.24$2.28
Aug 20249,0598,93116,36011,1232,715$76.68$1.99
Jul 20248,8718,85214,6997,1865,051$81.80$2.07
Jun 20248,5857,92511,8249,068333$79.77$2.54
May 20249,0099,31814,88611,687586$80.02$2.12
Apr 20248,7478,22516,66513,670467$85.35$1.60
Mar 20248,8129,07917,14214,221399$81.28$1.49
Feb 20248,5349,79019,12316,5244$77.25$1.72
Jan 20249,1599,53218,07115,00274$74.15$3.18
Dec 20239,5949,29326,34023,3000$71.90$2.52
Nov 20239,4709,39211,3238,177110$77.69$2.71
Oct 20239,5059,72625,28120,8841,304$85.64$2.98
Sep 20239,4229,16426,45023,286159$89.43$2.64
Aug 20239,4258,87226,92322,9371,085$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

OperatorU.S. Energy Development CorpFieldBriscoe Ranch (Eagleford)CountyZavala County

U.S. Energy Development Corp in Zavala County

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Briscoe Ranch (Eagleford) field

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