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Texas gas well

Producing

OLSON-ESSE UNIT AC

Olson-Esse Unit Ac is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Austin Chalk) field.

1 well

333,542mcf gas, last 12 months−44% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-295908

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
13,680 bbl
Gas in Jul 2026
27,427 mcf

Production by month

Gas output fell 44% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 44% over the last 12 monthsMonthly gas production and oil for OLSON-ESSE UNIT AC, Sep 2023 to Jul 2026. Gas output fell 44% over the last 12 months. 333,542 mcf in the 12 months through Jul 2026, against 594,983 mcf in the 12 months before.Last 12 months: 333,542 mcfmcf per monthbbl per month0050k5,000100k10k150k15k200k20k250k25kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 44% over the last 12 monthsMonthly gas production and oil for OLSON-ESSE UNIT AC, Sep 2023 to Jul 2026. Gas output fell 44% over the last 12 months. 333,542 mcf in the 12 months through Jul 2026, against 594,983 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0050k5,000100k10k150k15k200k20k250k25kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

89% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
89% of the gas went to a processing plant in the last 12 monthsShare of OLSON-ESSE UNIT AC gas by disposition code each month, Sep 2023 to Jul 2026. 89% of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
89% of the gas went to a processing plant in the last 12 monthsShare of OLSON-ESSE UNIT AC gas by disposition code each month, Sep 2023 to Jul 2026. 89% of the gas went to a processing plant 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.

  • Processing plant (3)

    89% · 296,003 mcf

  • Lease fuel (1)

    11% · 36,119 mcf

  • Flared (4)

    0.4% · 1,420 mcf

0.4% of the gas flared in the last 12 months. No month above 3%.

1 well on this lease

Wells on OLSON-ESSE UNIT AC
API numberWell no.Status
42-255-377976HActive

SourceTexas Railroad Commission Wellbore Query.

978.88 acres on the newest permit

Permits for Olson-Esse Unit Ac
API numberWell no.Acreson the permit
42-255-377976H978.88

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

Unit decimal checker

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

35 months, newest first

Ledger for OLSON-ESSE UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261,0611,14727,42724,008119$80.46$2.89
Jun 20261,1961,11023,93820,612125$84.81$3.15
May 20261,0991,07420,17717,422107$102.13$2.94
Apr 202696897520,82318,20050$100.32$2.77
Mar 20261,1321,15626,24523,246162$91.38$3.04
Feb 202699697425,68722,67698$64.51$3.62
Jan 20261,0201,00726,83723,785217$60.04$7.72
Dec 202597499024,77822,31052$57.97$4.26
Nov 20251,1311,13427,57024,84470$60.06$3.79
Oct 20251,2431,29031,41528,52583$60.89$3.19
Sep 20251,4181,36234,64531,126158$63.96$2.97
Aug 20251,4421,43344,00039,249179$64.86$2.91
Jul 20251,2261,23435,86532,411138$68.39$3.20
Jun 20251,1811,14135,51032,396102$68.17$3.02
May 20251,2561,25339,63936,60167$62.17$3.12
Apr 20251,4121,41439,11735,727155$63.54$3.42
Mar 20251,5701,57242,69239,228108$68.24$4.12
Feb 20251,5871,58540,76937,660116$71.53$4.19
Jan 20251,8991,90251,19747,355149$75.74$4.13
Dec 20241,9901,99352,36147,67678$70.12$3.01
Nov 20242,4982,49664,61358,407164$69.95$2.12
Oct 20242,3242,32857,67052,253111$71.99$2.20
Sep 20242,4992,50763,90058,38179$70.24$2.28
Aug 20243,2193,20871,65065,150183$76.68$1.99
Jul 20243,4223,42678,54171,768103$81.80$2.07
Jun 20243,3323,33873,83367,628134$79.77$2.54
May 20244,3374,36889,27281,739166$80.02$2.12
Apr 20244,3104,28366,59459,921593$85.35$1.60
Mar 20244,3874,41067,53564,230124$81.28$1.49
Feb 20245,7625,78591,16890,240125$77.25$1.72
Jan 20247,8977,889101,661100,266415$74.15$3.18
Dec 202311,10411,140136,069134,849113$71.90$2.52
Nov 202315,02715,038175,685174,203231$77.69$2.71
Oct 202320,46820,383213,773211,626208$85.64$2.98
Sep 20235,3545,30850,89350,44859$89.43$2.64

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

OperatorMarathon Oil Ef LLCFieldSugarkane (Austin Chalk)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Austin Chalk) field

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