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Texas gas well

Producing

OLSON-ESSE UNIT

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

1 well

259,992mcf gas, last 12 months−56% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Eagle Ford)
RRC lease
02-295943

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
9,304 bbl
Gas in Jul 2026
22,256 mcf

Production by month

Gas output fell 56% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 56% over the last 12 monthsMonthly gas production and oil for OLSON-ESSE UNIT, Sep 2023 to Jul 2026. Gas output fell 56% over the last 12 months. 259,992 mcf in the 12 months through Jul 2026, against 587,734 mcf in the 12 months before.Last 12 months: 259,992 mcfmcf per monthbbl per month0050k10k100k20k150k30k200k40k250k50kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 56% over the last 12 monthsMonthly gas production and oil for OLSON-ESSE UNIT, Sep 2023 to Jul 2026. Gas output fell 56% over the last 12 months. 259,992 mcf in the 12 months through Jul 2026, against 587,734 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0050k10k100k20k150k30k200k40k250k50kJan 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 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 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% · 230,841 mcf

  • Lease fuel (1)

    11% · 28,061 mcf

  • Flared (4)

    0.4% · 1,090 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
API numberWell no.Status
42-255-377983HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers34Jul 15, 2023
Endeavor Crude, LLCCondensateGathers33Jul 15, 2023
Enterprise Crude Pipeline LLCCondensateGathers33Jul 15, 2023
Marathon Oil Ef LLCGas-well gasBuys100Jul 15, 2023
Marathon Oil Ef LLCGas-well gasGathers100Jul 15, 2023

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

Who buys my oilOil price check

978.88 acres on the newest permit

Permits for Olson-Esse Unit
API numberWell no.Acreson the permit
42-255-377983H978.88

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
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261412422,25619,48296$80.46$2.89
Jun 202676666833,18228,571174$84.81$3.15
May 20261681556,7175,80036$102.13$2.94
Apr 202601413,23011,56332$100.32$2.77
Mar 202622328522,35119,797138$91.38$3.04
Feb 202680482018,25616,11670$64.51$3.62
Jan 20261,2981,29329,88326,485241$60.04$7.72
Dec 20251,4481,47633,18029,87569$57.97$4.26
Nov 20251,7421,76332,90729,65384$60.06$3.79
Oct 20252,1752,09836,26032,92496$60.89$3.19
Sep 202566660711,76710,57254$63.96$2.97
Aug 2025080330$64.86$2.91
Jul 20251,6301,64832,73629,584126$68.39$3.20
Jun 20251,6991,64436,61433,403105$68.17$3.02
May 20251,9051,89941,78538,58271$62.17$3.12
Apr 20252,1062,11043,40439,642172$63.54$3.42
Mar 20252,3682,36846,88943,085118$68.24$4.12
Feb 20252,2542,25246,84643,274133$71.53$4.19
Jan 20252,7142,71256,50752,266165$75.74$4.13
Dec 20242,4612,43153,68148,87880$70.12$3.01
Nov 202455157919,28317,43149$69.95$2.12
Oct 20242,6032,61063,77657,785123$71.99$2.20
Sep 20242,9672,96671,92865,71689$70.24$2.28
Aug 20243,0523,04074,28567,545190$76.68$1.99
Jul 20243,0883,09370,19264,13992$81.80$2.07
Jun 20243,1493,15971,72265,695130$79.77$2.54
May 20244,5074,49886,87679,545162$80.02$2.12
Apr 20242,0652,10149,84745,088446$85.35$1.60
Mar 20246,8156,830118,657117,342227$81.28$1.49
Feb 20247,1737,149118,958117,727165$77.25$1.72
Jan 20245,3155,34866,67563,942270$74.15$3.18
Dec 202312,45312,503144,050142,703119$71.90$2.52
Nov 202318,18518,203184,850183,291243$77.69$2.71
Oct 202325,46125,369236,518233,998230$85.64$2.98
Sep 20238,2798,20866,65366,06477$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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Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldSugarkane (Eagle Ford)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

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Sugarkane (Eagle Ford) field

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