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Texas oil lease

Producing

HEMBY UNIT B

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

10 wells

13,240bbl oil, last 12 months−23% vs prior year
RRC lease
02-10368

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Where it sits

This county

Karnes CountyKarnesAtascosaGoliadWilsonGonzalesDe WittBexarKarnes County
Karnes County
Gas, last 12 months
46,762 mcf
Oil in Jul 2026
949 bbl

Production by month

Oil output fell 23% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 23% over the last 12 monthsMonthly oil production and gas for HEMBY UNIT B, Aug 2023 to Jul 2026. Oil output fell 23% over the last 12 months. 13,240 bbl in the 12 months through Jul 2026, against 17,113 bbl in the 12 months before.Last 12 months: 13,240 bblbbl per monthmcf per month0020k100k40k200k60k300k80k400kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 23% over the last 12 monthsMonthly oil production and gas for HEMBY UNIT B, Aug 2023 to Jul 2026. Oil output fell 23% over the last 12 months. 13,240 bbl in the 12 months through Jul 2026, against 17,113 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0020k100k40k200k60k300k80k400kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

77% of the gas went to a processing plant in the last 12 months

Flaring peaked at 3.7% of the gas in Apr 2026.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
77% of the gas went to a processing plant in the last 12 monthsShare of HEMBY UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 77% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.7% of the gas in Apr 2026.Share of the lease’s gas by disposition code, per month0%50%100%Flared 3.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
77% of the gas went to a processing plant in the last 12 monthsShare of HEMBY UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. 77% of the gas went to a processing plant in the last 12 months. Flaring peaked at 3.7% of the gas in Apr 2026.Share of gas by disposition code0%50%100%Flared 3.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    77% · 35,969 mcf

  • Lease fuel (1)

    22% · 10,202 mcf

  • Flared (4)

    1.3% · 591 mcf

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

10 wells on this lease

Wells on HEMBY UNIT B
API numberWell no.Status
42-255-324421HActive
42-255-341414HActive
42-255-341423HActive
42-255-34235303HActive
42-255-34236502HActive
42-255-34238503HActive
42-255-347092HActive
42-255-34749501HActive
42-255-377395HActive
42-255-377426HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Statewide Crude Inc.OilGathers75Jul 22, 2015
Gulfmark Energy, Inc.OilGathers20Jul 22, 2015
Marathon Oil Ef LLCOilGathers5Aug 10, 2012
Marathon Oil Ef LLCCasinghead gasBuys100Aug 10, 2012
Marathon Oil Ef LLCCasinghead gasGathers100Aug 1, 2012

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

436.41 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 257.46 and 436.41 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    10 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • 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 Hemby Unit B
API numberWell no.Acreson the permit
42-255-377395H436.41
42-255-377426H436.41
42-255-34749501H257.46
42-255-347092H436.41
42-255-34238503H436.41
42-255-34235303H436.41
42-255-34236502H436.41
42-255-341414H436.41
42-255-341423H436.41
42-255-324421H372.55

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 HEMBY UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 20269499086,4735,43116$80.46$2.89
Jun 20261146210$84.81$3.15
May 20267938554,5413,51079$102.13$2.94
Apr 20269919724,2663,077159$100.32$2.77
Mar 20261,0761,0763,9582,94762$91.38$3.04
Feb 20261,3101,3894,2483,22321$64.51$3.62
Jan 20262,4642,3744,2273,22553$60.04$7.72
Dec 20251,3611,3414,6233,36170$57.97$4.26
Nov 20251,2891,2844,5553,62347$60.06$3.79
Oct 20251,0991,1083,8462,96340$60.89$3.19
Sep 20258048061,2671,00115$63.96$2.97
Aug 20251,0931,1064,7563,60729$64.86$2.91
Jul 20251,1321,1344,2912,88227$68.39$3.20
Jun 20251,2401,2195,4344,11345$68.17$3.02
May 20251,3191,3307,3845,60121$62.17$3.12
Apr 20251,4401,4397,7505,87231$63.54$3.42
Mar 20251,5431,5678,4226,50726$68.24$4.12
Feb 20251,3501,3458,7566,67877$71.53$4.19
Jan 20251,8621,81815,75512,428104$75.74$4.13
Dec 20247817944,2933,25721$70.12$3.01
Nov 20241,0521,07010,4638,18866$69.95$2.12
Oct 20241,7581,7436,5005,32482$71.99$2.20
Sep 20241,8141,8366,2475,08227$70.24$2.28
Aug 20241,8221,8368,5206,98317$76.68$1.99
Jul 20241,8151,7829,1947,70126$81.80$2.07
Jun 20241,7971,81610,0598,56621$79.77$2.54
May 20242,3232,32110,8529,23722$80.02$2.12
Apr 20242,8612,89811,6949,92433$85.35$1.60
Mar 20243,5413,49813,44811,72537$81.28$1.49
Feb 20243,0453,10210,4488,26939$77.25$1.72
Jan 20244,7534,71711,8409,022125$74.15$3.18
Dec 20234,5714,56812,5469,64353$71.90$2.52
Nov 20234,1424,16316,03813,35258$77.69$2.71
Oct 20235,3925,92521,32818,40854$85.64$2.98
Sep 202341,86742,004203,487199,593155$89.43$2.64
Aug 202357,06057,010281,321276,437164$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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Nearby

Eagleville (Eagle Ford-2) field

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