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Producing

NAYLOR JONES UNIT 121

Naylor Jones Unit 121 is an oil lease in McMullen County, Texas, operated by EOG Resources, Inc. in the Eagleville (Eagle Ford-1) field.

2 wells

2,094bbl oil, last 12 months−59% vs prior year
Operator
EOG Resources, Inc.
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-17541

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
21,504 mcf
Oil in Jul 2026
0 bbl

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 18% of the 9 months before.

SourceRailroad Commission production, P-5 and P-4 records, data through Jul 2026.

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Production by month

Oil output fell 59% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 59% over the last 12 monthsMonthly oil production and gas for NAYLOR JONES UNIT 121, Aug 2023 to Jul 2026. Oil output fell 59% over the last 12 months. 2,094 bbl in the 12 months through Jul 2026, against 5,084 bbl in the 12 months before.Last 12 months: 2,094 bblbbl per monthmcf per month002501,0005002,0007503,0001,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 59% over the last 12 monthsMonthly oil production and gas for NAYLOR JONES UNIT 121, Aug 2023 to Jul 2026. Oil output fell 59% over the last 12 months. 2,094 bbl in the 12 months through Jul 2026, against 5,084 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002501,0005002,0007503,0001,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuelShare of NAYLOR JONES UNIT 121 gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel.Share of the lease’s gas by disposition code, per month0%50%100%Jun 2024: fuel to plantOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuelShare of NAYLOR JONES UNIT 121 gas by disposition code each month, Aug 2023 to Jul 2026. Since Jun 2024 the lease's gas goes to a processing plant instead of lease fuel.Share of gas by disposition code0%50%100%Jun 24: fuel to plantJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    100% · 24,197 mcf

  • Flared (4)

    0.2% · 50 mcf

  • Lease fuel (1)

    0.0% · 1 mcf

0.2% of the gas flared in the last 12 months. No month above 3%.

2 wells on this lease

Wells on NAYLOR JONES UNIT 121
API numberWell no.Status
42-311-357311HActive
42-311-358402HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Eog Resources Marketing LLCOilGathers100Apr 1, 2015
Eog Resources, Inc.Casinghead gasBuys100Apr 2, 2014
Eog Resources, Inc.Casinghead gasGathers100Apr 2, 2014

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

Who buys my oilOil price check

631.19 acres on the newest permit

  • 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 Naylor Jones Unit 121
API numberWell no.Acreson the permit
42-311-358402H631.19
42-311-357311H631.19

SourceRailroad Commission drilling permits, Oct 3, 2026 (source 1, source 2).

Unit decimal checker

What EOG Resources, Inc. told investors it received

EOG Resources, Inc. is linked to EOG Resources, Inc. (EOG).
Realized prices reported by EOG Resources, Inc.
QuarterOil$ per bblFiling
Q2 2026$98.15SEC filing
Q1 2026$72.47SEC filing
Q3 2025$65.95SEC filing
Q2 2025$64.82SEC filing
Q1 2025$72.87SEC filing
Q3 2024$76.92SEC filing

SourceEOG Resources, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for NAYLOR JONES UNIT 121
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202603000$80.46$2.89
Jun 202611185145140$84.81$3.15
May 2026991021,6451,6432$102.13$2.94
Apr 20261461671,9311,9283$100.32$2.77
Mar 20261931891,8711,8665$91.38$3.04
Feb 20262492321,5431,5385$64.51$3.62
Jan 20261461631,3591,3554$60.04$7.72
Dec 20252342192,2752,2695$57.97$4.26
Nov 20253093122,7382,7326$60.06$3.79
Oct 20252262262,3392,3336$60.89$3.19
Sep 20252262262,6502,6464$63.96$2.97
Aug 20252552622,6392,6345$64.86$2.91
Jul 20253323562,7442,7395$68.39$3.20
Jun 20255284991,9401,9328$68.17$3.02
May 20252092101,1511,1465$62.17$3.12
Apr 202579788416562$63.54$3.42
Mar 20251942161,3539964$68.24$4.12
Feb 20252012391,1581,0285$71.53$4.19
Jan 20252803181,0771,0716$75.74$4.13
Dec 20246756152,0772,0707$70.12$3.01
Nov 20247036872,1722,1675$69.95$2.12
Oct 20245206891,8921,8828$71.99$2.20
Sep 20248157851,9661,95610$70.24$2.28
Aug 20245485541,6921,6848$76.68$1.99
Jul 20246008891,9021,8966$81.80$2.07
Jun 20248294352,3152,26211$79.77$2.54
May 20248318782,47587910$80.02$2.12
Apr 20247968642,5962,52711$85.35$1.60
Mar 20246905822,5622,52210$81.28$1.49
Feb 20247297293,2783,21412$77.25$1.72
Jan 20248038302,7642,71012$74.15$3.18
Dec 20238468922,6952,65510$71.90$2.52
Nov 20238137403,0903,06210$77.69$2.71
Oct 20236026022,4932,4759$85.64$2.98
Sep 20236686403,0853,07510$89.43$2.64
Aug 20236786983,4843,4759$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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Nearby

This lease belongs to

OperatorEOG Resources, Inc.FieldEagleville (Eagle Ford-1)CountyMcMullen County

EOG Resources, Inc. in McMullen County

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