Skip to content
Royalty Clerk

Texas oil lease

Producing

FRANKE-MAY UNIT B

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

6 wells

24,247bbl oil, last 12 months−15% vs prior year
RRC lease
02-10703

Is your check right?

Check my statement

Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
18,922 mcf
Oil in Jul 2026
14 bbl

Production by month

Oil output fell 15% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 15% over the last 12 monthsMonthly oil production and gas for FRANKE-MAY UNIT B, Aug 2023 to Jul 2026. Oil output fell 15% over the last 12 months. 24,247 bbl in the 12 months through Jul 2026, against 28,372 bbl in the 12 months before.Last 12 months: 24,247 bblbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 15% over the last 12 monthsMonthly oil production and gas for FRANKE-MAY UNIT B, Aug 2023 to Jul 2026. Oil output fell 15% over the last 12 months. 24,247 bbl in the 12 months through Jul 2026, against 28,372 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5005,0005,00010k7,50015k10k20kJan 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 B 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 B 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% · 19,278 mcf

  • Lease fuel (1)

    9.7% · 2,079 mcf

  • Flared (4)

    0.6% · 120 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 B
API numberWell no.Status
42-255-331931HShut-in
42-255-331942HActive
42-255-331953HShut-in
42-255-355384HActive
42-255-355395HActive
42-255-355406HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Valero Marketing and Supply Co.OilGathers75Nov 28, 2013
Harvest Midstream CompanyOilGathers20Sep 1, 2018
Shell Trading (Us) CompanyOilGathers3Nov 28, 2013
Marathon Oil Ef LLCOilGathers1Nov 28, 2013
Statewide Crude Inc.OilGathers1Nov 28, 2013
Marathon Oil Ef LLCCasinghead gasBuys100Nov 23, 2013
Marathon Oil Ef LLCCasinghead gasGathers100Nov 23, 2013

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

454.11 acres on the newest permit

A pooling certificate was filed

Permits for Franke-May Unit B
API numberWell no.Acreson the permit
42-255-355384H454.11
42-255-355395H454.11
42-255-355406H454.11
42-255-331931H454.11
42-255-331942H454.11
42-255-331953H454.11

SourceRailroad Commission drilling permits, Sep 26, 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 FRANKE-MAY UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20261426110$80.46$2.89
Jun 20261,3661,3601,1991,0574$84.81$3.15
May 20266726853553082$102.13$2.94
Apr 20261,2761,2711,0199184$100.32$2.77
Mar 20261,6501,6361,2041,0734$91.38$3.04
Feb 2026025000$64.51$3.62
Jan 20264,0664,0472,6332,33911$60.04$7.72
Dec 20257547886435605$57.97$4.26
Nov 20254,2544,2433,6383,24121$60.06$3.79
Oct 20253,5593,5522,7962,5267$60.89$3.19
Sep 20252,5952,6002,2312,03210$63.96$2.97
Aug 20254,0414,0413,2032,88541$64.86$2.91
Jul 20253,3193,3112,5552,33811$68.39$3.20
Jun 20252,9532,9402,1291,93116$68.17$3.02
May 20251,1641,1588597797$62.17$3.12
Apr 202505000$63.54$3.42
Mar 20251,1741,1708697833$68.24$4.12
Feb 20252422762262041$71.53$4.19
Jan 20254,7444,7093,6243,30212$75.74$4.13
Dec 202405000$70.12$3.01
Nov 20249769891,0049233$69.95$2.12
Oct 20244,3234,3194,3254,01211$71.99$2.20
Sep 20244,3344,3634,8594,5119$70.24$2.28
Aug 20245,1435,1188,9578,33619$76.68$1.99
Jul 20244,3334,3304,2163,9087$81.80$2.07
Jun 20243,4333,4503,8053,5226$79.77$2.54
May 20245,4025,3917,0306,51614$80.02$2.12
Apr 20244,5274,5254,7604,29043$85.35$1.60
Mar 20243,9353,9415,6075,17120$81.28$1.49
Feb 20244,5124,5165,1104,87910$77.25$1.72
Jan 20246,2736,2596,1825,87118$74.15$3.18
Dec 20233,6933,7142,9332,78311$71.90$2.52
Nov 20233,0993,0824,5414,30521$77.69$2.71
Oct 20235,8335,8669,4398,99810$85.64$2.98
Sep 20236,9506,92912,67912,07212$89.43$2.64
Aug 20238,0988,11316,40915,56519$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

How to check your stub against this lease

Do your checks match this lease?

Nearby

Eagleville (Eagle Ford-2) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km