Skip to content
Royalty Clerk

Texas oil lease

Shut in

YANTA UNIT

Yanta Unit is an oil lease in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Eagleville (Eagle Ford-2) field.

1 well

74bbl oil, last 12 months−95% vs prior year
RRC lease
02-10526

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
342 mcf
Oil in Jul 2026
0 bbl

Checks stopped on this lease?

  • Sales

    No sales reported for the last 10 months of state data (through Jul 2026).

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 95% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 95% over the last 12 monthsMonthly oil production and gas for YANTA UNIT, Aug 2023 to Jul 2026. Oil output fell 95% over the last 12 months. 74 bbl in the 12 months through Jul 2026, against 1,539 bbl in the 12 months before.Last 12 months: 74 bblbbl per monthmcf per month002005004001,0006001,5008002,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 95% over the last 12 monthsMonthly oil production and gas for YANTA UNIT, Aug 2023 to Jul 2026. Oil output fell 95% over the last 12 months. 74 bbl in the 12 months through Jul 2026, against 1,539 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002005004001,0006001,5008002,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

82% of the gas went to a processing plant in the last 12 months

Flaring peaked at 8.0% of the gas in Apr 2024.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
82% of the gas went to a processing plant in the last 12 monthsShare of YANTA UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 82% of the gas went to a processing plant in the last 12 months. Flaring peaked at 8.0% of the gas in Apr 2024.Share of the lease’s gas by disposition code, per month0%50%100%Flared 8.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
82% of the gas went to a processing plant in the last 12 monthsShare of YANTA UNIT gas by disposition code each month, Aug 2023 to Jul 2026. 82% of the gas went to a processing plant in the last 12 months. Flaring peaked at 8.0% of the gas in Apr 2024.Share of gas by disposition code0%50%100%Flared 8.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    82% · 4,689 mcf

  • Lease fuel (1)

    18% · 1,013 mcf

  • Flared (4)

    0.4% · 24 mcf

0.4% of the gas flared in the last 12 months. 4 months above 3%.

1 well on this lease

Wells on YANTA UNIT
API numberWell no.Status
42-255-330441HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Statewide Crude Inc.OilGathers50Jul 1, 2022–
Plains Pipeline L.p.OilGathers25Jul 1, 2022–
Reynolds Energy Transport LLCOilGathers25Jul 1, 2022–
Marathon Oil Ef LLCCasinghead gasBuys100May 9, 2013–
Marathon Oil Ef LLCCasinghead gasGathers100May 9, 2013–
Gulfmark Energy, Inc.OilGathers10May 9, 2013Jul 1, 2022
Statewide Crude Inc.OilGathers90May 9, 2013Jul 1, 2022

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

102.26 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 Yanta Unit
API numberWell no.Acreson the permit
42-255-330441H102.26

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

What ConocoPhillips told investors it received

Marathon Oil Ef LLC is linked to ConocoPhillips (MRO).
Realized prices reported by ConocoPhillips
QuarterOil$ per bblFiling
Q2 2026$99.40SEC filing
Q1 2026$73.47SEC filing
Q3 2025$66.13SEC filing
Q2 2025$64.23SEC filing
Q1 2025$71.65SEC filing

SourceConocoPhillips quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for YANTA UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202501000$63.96$2.97
Aug 202574763422742$64.86$2.91
Jul 20252872844443502$68.39$3.20
Jun 202570706335082$68.17$3.02
May 202526266705421$62.17$3.12
Apr 20250033270$63.54$3.42
Mar 202551531551270$68.24$4.12
Feb 20251791786765612$71.53$4.19
Jan 20252402394583772$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202401000$69.95$2.12
Oct 20241851865684752$71.99$2.20
Sep 20242652649638122$70.24$2.28
Aug 20242362366285232$76.68$1.99
Jul 202464631561137$81.80$2.07
Jun 202402000$79.77$2.54
May 202415315525219916$80.02$2.12
Apr 202436636374757760$85.35$1.60
Mar 20241071121,05683247$81.28$1.49
Feb 202441741361356910$77.25$1.72
Jan 20241351361,08699729$74.15$3.18
Dec 20232672689538959$71.90$2.52
Nov 202334034083177712$77.69$2.71
Oct 20234194158878368$85.64$2.98
Sep 202308000$89.43$2.64
Aug 20237447391,2871,21412$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.

How to check your stub against this lease Checks stopped on this lease? See the likely reasons

Do your checks match this lease?

Nearby

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Leases within 10 km

Drilling permits within 10 km