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Texas gas well

Producing

MURPHY-SINCLAIR UNIT AC

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

1 well

27,159mcf gas, last 12 months−20% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Sugarkane (Austin Chalk)
RRC lease
02-281710

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
2,854 bbl
Gas in Jul 2026
3,386 mcf

Production by month

Gas output fell 20% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 20% over the last 12 monthsMonthly gas production and oil for MURPHY-SINCLAIR UNIT AC, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 27,159 mcf in the 12 months through Jul 2026, against 33,977 mcf in the 12 months before.Last 12 months: 27,159 mcfmcf per monthbbl per month001,0005002,0001,0003,0001,5004,0002,0005,0002,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 20% over the last 12 monthsMonthly gas production and oil for MURPHY-SINCLAIR UNIT AC, Aug 2023 to Jul 2026. Gas output fell 20% over the last 12 months. 27,159 mcf in the 12 months through Jul 2026, against 33,977 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0005002,0001,0003,0001,5004,0002,0005,0002,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

71% of the gas went to a processing plant in the last 12 months

Flaring peaked at 4.7% of the gas in Sep 2025.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
71% of the gas went to a processing plant in the last 12 monthsShare of MURPHY-SINCLAIR UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. 71% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.7% of the gas in Sep 2025.Share of the lease’s gas by disposition code, per month0%50%100%Flared 4.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
71% of the gas went to a processing plant in the last 12 monthsShare of MURPHY-SINCLAIR UNIT AC gas by disposition code each month, Aug 2023 to Jul 2026. 71% of the gas went to a processing plant in the last 12 months. Flaring peaked at 4.7% of the gas in Sep 2025.Share of gas by disposition code0%50%100%Flared 4.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    71% · 19,190 mcf

  • Lease fuel (1)

    28% · 7,559 mcf

  • Flared (4)

    1.5% · 410 mcf

1.5% of the gas flared in the last 12 months. One month above 3%.

1 well on this lease

Wells on MURPHY-SINCLAIR UNIT AC
API numberWell no.Status
42-255-346693HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Plains Pipeline L.p.CondensateGathers80Nov 6, 2016
Harvest Midstream CompanyCondensateGathers5Oct 1, 2018
Marathon Oil Ef LLCCondensateGathers5Nov 6, 2016
Statewide Crude Inc.CondensateGathers5Nov 6, 2016
Trafigura Trading LLCCondensateGathers5Nov 6, 2016
Marathon Oil Ef LLCGas-well gasBuys100Nov 6, 2016
Marathon Oil Ef LLCGas-well gasGathers100Nov 6, 2016

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

Who buys my oilOil price check

648.65 acres on the newest permit

Check your decimal on this lease
Permits for Murphy-Sinclair Unit Ac
API numberWell no.Acreson the permit
42-255-346693H648.65

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

36 months, newest first

Ledger for MURPHY-SINCLAIR UNIT AC
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026003,3862,26615$80.46$2.89
Jun 2026021,5161,0625$84.81$3.15
May 202631471,3569299$102.13$2.94
Apr 20262852801,3629009$100.32$2.77
Mar 20262112331,05673610$91.38$3.04
Feb 20263813612,7521,88452$64.51$3.62
Jan 20262382412,4411,67854$60.04$7.72
Dec 20252662842,4231,79615$57.97$4.26
Nov 20255775603,1022,32715$60.06$3.79
Oct 20252302352,3631,78263$60.89$3.19
Sep 20253373312,8062,016133$63.96$2.97
Aug 20252983002,5961,81430$64.86$2.91
Jul 20253483412,4121,6059$68.39$3.20
Jun 20253123372,5371,72612$68.17$3.02
May 20254704952,9141,93715$62.17$3.12
Apr 20251,1941,1842,8481,88111$63.54$3.42
Mar 20258658513,1152,13410$68.24$4.12
Feb 20256196141,6091,08219$71.53$4.19
Jan 20255245322,4741,67742$75.74$4.13
Dec 20247617673,4352,32012$70.12$3.01
Nov 20248137723,5642,44118$69.95$2.12
Oct 20241221153,1142,15117$71.99$2.20
Sep 20247103,0072,0477$70.24$2.28
Aug 2024681252,9482,02010$76.68$1.99
Jul 20241,0761,0804,0882,87923$81.80$2.07
Jun 20241,2141,2123,1872,24111$79.77$2.54
May 20241,4621,4084,0742,85420$80.02$2.12
Apr 20241601603,4802,27335$85.35$1.60
Mar 20241631753,2092,28013$81.28$1.49
Feb 20244144103,0252,18610$77.25$1.72
Jan 20242752873,0172,26926$74.15$3.18
Dec 20235875783,5862,8068$71.90$2.52
Nov 20234594473,0022,38215$77.69$2.71
Oct 20231631642,4371,8556$85.64$2.98
Sep 20231771834,5023,8136$89.43$2.64
Aug 20233543474,6294,01014$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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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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