Skip to content
Royalty Clerk

Texas gas well

Producing

MAY UNIT 1

May Unit 1 is a gas well in Karnes County, Texas, operated by Marathon Oil Ef LLC in the Sugarkane (Eagle Ford) field.

Gas well dossier

87,251mcf gas, last 12 months−11% vs prior year
RRC lease
02-294388

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Oil, last 12 months
10,668 bbl
Gas in Jul 2026
0 mcf

Production by month

Gas output fell 11% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 11% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 11% over the last 12 months. 87,251 mcf in the 12 months through Jul 2026, against 98,146 mcf in the 12 months before.Last 12 months: 87,251 mcfmcf per monthbbl per month002,5001,0005,0002,0007,5003,00010k4,00012.5k5,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 11% over the last 12 monthsMonthly gas production and oil for MAY UNIT 1, Aug 2023 to Jul 2026. Gas output fell 11% over the last 12 months. 87,251 mcf in the 12 months through Jul 2026, against 98,146 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,5001,0005,0002,0007,5003,00010k4,00012.5k5,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

70% 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)
70% of the gas went to a processing plant in the last 12 monthsShare of MAY UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. 70% 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
70% of the gas went to a processing plant in the last 12 monthsShare of MAY UNIT 1 gas by disposition code each month, Aug 2023 to Jul 2026. 70% 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)

    70% · 67,960 mcf

  • Lease fuel (1)

    28% · 27,571 mcf

  • Flared (4)

    1.3% · 1,285 mcf

1.3% of the gas flared in the last 12 months. One month above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCCondensateGathers25Jun 20, 2018
Harvest Midstream CompanyCondensateGathers25Jun 20, 2018
Plains Pipeline L.p.CondensateGathers20Jun 20, 2018
Reynolds Energy Transport LLCCondensateGathers15Jun 20, 2018
Trafigura Trading LLCCondensateGathers15Jun 20, 2018
Marathon Oil Ef LLCGas-well gasBuys100Jun 20, 2018
Marathon Oil Ef LLCGas-well gasGathers100Jun 20, 2018

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

742.24 acres on the newest permit

Permits for May Unit 1
API numberWell no.Acreson the permit
42-255-3563111H742.24

SourceRailroad Commission drilling permits, Oct 3, 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 MAY UNIT 1
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026079000$80.46$2.89
Jun 20261,0501,0369,6476,75934$84.81$3.15
May 20268518688,1085,55554$102.13$2.94
Apr 20261,2741,26510,5596,97670$100.32$2.77
Mar 20261,1701,1268,6866,05383$91.38$3.04
Feb 20263133373,0172,06657$64.51$3.62
Jan 20268608766,5994,535146$60.04$7.72
Dec 20251,0461,0277,7435,73948$57.97$4.26
Nov 20258037987,3525,51535$60.06$3.79
Oct 20255415856,7255,072179$60.89$3.19
Sep 20251,2801,2789,1206,553431$63.96$2.97
Aug 20251,4801,4969,6956,772114$64.86$2.91
Jul 20251,7591,7219,5656,36534$68.39$3.20
Jun 20251,6201,6369,0466,15541$68.17$3.02
May 20251,0131,0306,9804,64036$62.17$3.12
Apr 20251,8681,8967,4404,91429$63.54$3.42
Mar 20252,0512,0058,7946,02330$68.24$4.12
Feb 20251,2581,2804,4753,00953$71.53$4.19
Jan 20251,5821,5377,4595,055127$75.74$4.13
Dec 20241,0461,0767,8805,32228$70.12$3.01
Nov 20241,4701,5087,3375,02538$69.95$2.12
Oct 20242,2182,1919,1216,30150$71.99$2.20
Sep 20241,8891,9149,6086,54123$70.24$2.28
Aug 20242,5562,52910,4417,15536$76.68$1.99
Jul 20241,7241,71410,2737,23458$81.80$2.07
Jun 20241,6221,6079,2086,47432$79.77$2.54
May 20241,6521,67111,0037,70953$80.02$2.12
Apr 20241,7531,75610,6046,926107$85.35$1.60
Mar 20241,8891,88310,5347,48444$81.28$1.49
Feb 20241,7961,78710,1308,81519$77.25$1.72
Jan 20241,3641,3579,2268,24138$74.15$3.18
Dec 20231,4681,4686,9906,14412$71.90$2.52
Nov 20231,6661,6938,5037,56527$77.69$2.71
Oct 20232,2162,19510,6799,66413$85.64$2.98
Sep 20231,7921,77510,5209,55110$89.43$2.64
Aug 20231,4811,47910,5039,44124$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

New drilling permits in Karnes County

Newest in the county: this lease has no coordinates.