Skip to content
Royalty Clerk

Texas oil lease

Producing

FRANKE-MAY UNIT A

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

6 wells

24,202bbl oil, last 12 months−19% vs prior year
Operator
Marathon Oil Ef LLC
County
Karnes County
Field
Eagleville (Eagle Ford-2)
RRC lease
02-10788

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
19,310 mcf
Oil in Jul 2026
21 bbl

Production by month

Oil output fell 19% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 19% over the last 12 monthsMonthly oil production and gas for FRANKE-MAY UNIT A, Aug 2023 to Jul 2026. Oil output fell 19% over the last 12 months. 24,202 bbl in the 12 months through Jul 2026, against 29,849 bbl in the 12 months before.Last 12 months: 24,202 bblbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 19% over the last 12 monthsMonthly oil production and gas for FRANKE-MAY UNIT A, Aug 2023 to Jul 2026. Oil output fell 19% over the last 12 months. 24,202 bbl in the 12 months through Jul 2026, against 29,849 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,0002,5004,0005,0006,0007,5008,00010kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

90% of the gas went to a processing plant in the last 12 months

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
90% of the gas went to a processing plant in the last 12 monthsShare of FRANKE-MAY UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. 90% 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
90% of the gas went to a processing plant in the last 12 monthsShare of FRANKE-MAY UNIT A gas by disposition code each month, Aug 2023 to Jul 2026. 90% 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)

    90% · 21,766 mcf

  • Lease fuel (1)

    9.5% · 2,304 mcf

  • Flared (4)

    0.6% · 136 mcf

0.6% of the gas flared in the last 12 months. No month above 3%.

6 wells on this lease

Wells on FRANKE-MAY UNIT A
API numberWell no.Status
42-255-331871HActive
42-255-331912HActive
42-255-331923HActive
42-255-343644HActive
42-255-343655HActive
42-255-343676HActive

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 gasBuys100Apr 25, 2014–
Marathon Oil Ef LLCCasinghead gasGathers100Apr 25, 2014–
Gulfmark Energy, Inc.OilGathers10Apr 25, 2014Jul 1, 2022
Statewide Crude Inc.OilGathers90Apr 25, 2014Jul 1, 2022

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

Who buys my oilOil price check

478.79 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 478.79 and 483.02 acres. Use the acres from your own division order for the well you are paid on.

  • 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 Franke-May Unit A
API numberWell no.Acreson the permit
42-255-343676H478.79
42-255-343644H478.79
42-255-343655H478.79
42-255-331912H483.02
42-255-331923H483.02
42-255-331871H483.02

SourceRailroad Commission drilling permits, Oct 3, 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 FRANKE-MAY UNIT A
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20262150000$80.46$2.89
Jun 20263,4293,4062,2621,9948$84.81$3.15
May 20266686653483022$102.13$2.94
Apr 20262102091611451$100.32$2.77
Mar 202621521798880$91.38$3.04
Feb 20264694814604092$64.51$3.62
Jan 20262,5682,5591,7401,5467$60.04$7.72
Dec 20258428757356406$57.97$4.26
Nov 20254,2744,2683,7503,34022$60.06$3.79
Oct 20254,1564,1473,4933,1568$60.89$3.19
Sep 20252,9052,9092,3802,16810$63.96$2.97
Aug 20254,4454,4653,8833,49849$64.86$2.91
Jul 20256,0936,0724,8964,48021$68.39$3.20
Jun 20254,3224,2972,8352,57221$68.17$3.02
May 20254984953653313$62.17$3.12
Apr 202507000$63.54$3.42
Mar 20251,4801,4739038143$68.24$4.12
Feb 20258011448430$71.53$4.19
Jan 20254,5474,5173,0162,74810$75.74$4.13
Dec 20247157151,8231,6694$70.12$3.01
Nov 20247607715124711$69.95$2.12
Oct 20243,7233,7162,9492,7358$71.99$2.20
Sep 20242,3152,3522,2742,1114$70.24$2.28
Aug 20245,3165,2905,3634,99111$76.68$1.99
Jul 20244,6084,6094,0283,7337$81.80$2.07
Jun 20244,7154,7244,2063,8937$79.77$2.54
May 20244,9124,9015,6445,23112$80.02$2.12
Apr 20244,0064,0084,2653,84439$85.35$1.60
Mar 20244,2144,2225,4134,99219$81.28$1.49
Feb 20245,0895,0885,9595,69012$77.25$1.72
Jan 20245,7395,7305,3295,06216$74.15$3.18
Dec 20234,4024,4242,4922,3669$71.90$2.52
Nov 20233,4373,4194,2143,99520$77.69$2.71
Oct 20236,7066,7318,1227,7439$85.64$2.98
Sep 20236,2396,2146,7516,4277$89.43$2.64
Aug 20235,7605,7696,5566,2198$81.39$2.58

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?

Check my statement

Nearby

This lease belongs to

OperatorMarathon Oil Ef LLCFieldEagleville (Eagle Ford-2)CountyKarnes County

Marathon Oil Ef LLC in Karnes County

All Marathon Oil Ef LLC leases →

Eagleville (Eagle Ford-2) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km