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DIAMOND J UNIT A MCM

Diamond J Unit A MCM is an oil lease in McMullen County, Texas, operated by Ineos USA Oil & Gas LLC in the Eagleville (Eagle Ford-1) field.

1 well

2,290bbl oil, last 12 months−9% vs prior year
Operator
Ineos USA Oil & Gas LLC
County
McMullen County
Field
Eagleville (Eagle Ford-1)
RRC lease
01-17354

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Where it sits

This county

McMullen CountyMcMullenLa SalleAtascosaKarnesFrioLive OakMcMullen County
McMullen County
Gas, last 12 months
7,320 mcf
Oil in Jul 2026
198 bbl

Production by month

Oil output fell 9% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for DIAMOND J UNIT A MCM, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 2,290 bbl in the 12 months through Jul 2026, against 2,503 bbl in the 12 months before.Last 12 months: 2,290 bblbbl per monthmcf per month002002504005006007508001,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 9% over the last 12 monthsMonthly oil production and gas for DIAMOND J UNIT A MCM, Aug 2023 to Jul 2026. Oil output fell 9% over the last 12 months. 2,290 bbl in the 12 months through Jul 2026, against 2,503 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002002504005006007508001,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Mar 2026 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 100.0% of the gas in Jan 2024.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Mar 2026 the lease's gas goes to a transmission line instead of lease fuelShare of DIAMOND J UNIT A MCM gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 100.0% of the gas in Jan 2024.Share of the lease’s gas by disposition code, per month0%50%100%Mar 2026: fuel to lineFlared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Mar 2026 the lease's gas goes to a transmission line instead of lease fuelShare of DIAMOND J UNIT A MCM gas by disposition code each month, Aug 2023 to Jul 2026. Since Mar 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 100.0% of the gas in Jan 2024.Share of gas by disposition code0%50%100%Mar 26: fuel to lineFlared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    65% · 4,730 mcf

  • Lease fuel (1)

    33% · 2,442 mcf

  • Flared (4)

    2.0% · 148 mcf

2.0% of the gas flared in the last 12 months. 10 months above 3%.

Who has run this lease

The operator changed once, most recently in Apr 2023

Operators of this lease over timeChesapeake Operating, L.L.C., Jan 2020 to Mar 2023; Ineos USA Oil & Gas LLC, Apr 2023 to Jul 20262020202120222023202420252026Changed Apr 2023Chesapeake Operating, L.L.C.Jan 2020 to Mar 2023Ineos USA Oil & Gas LLCApr 2023 to now
Operators of this lease over timeChesapeake Operating, L.L.C., Jan 2020 to Mar 2023; Ineos USA Oil & Gas LLC, Apr 2023 to Jul 20262020202120222023202420252026Changed Apr 2023Chesapeake Operating, L.L.C.Jan 2020 to Mar 2023Ineos USA Oil & Gas LLCApr 2023 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on DIAMOND J UNIT A MCM
API numberWell no.Status
42-311-353872HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Ineos Energy Marketing USA LLCOilGathers100Nov 1, 2023–
Ineos Energy Marketing USA LLCCasinghead gasBuys100Nov 1, 2023–
Williams Mlp Operating LLCCasinghead gasGathers100Oct 1, 2015–
Chesapeake Energy Mktg, L.l.c.Casinghead gasBuys100Sep 1, 2015Nov 1, 2023
Chesapeake Energy Mktg, L.l.c.OilGathers100Sep 1, 2015Nov 1, 2023

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

Who buys my oilOil price check

397.82 acres on the newest permit

Check your decimal on this lease
Permits for Diamond J Unit A MCM
API numberWell no.Acreson the permit
42-311-353872H397.82

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

Unit decimal checker

Estimate your royalty

36 months, newest first

Ledger for DIAMOND J UNIT A MCM
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA19815180453520$80.46$2.89
Jun 2026Ineos USA19314075949226$84.81$3.15
May 2026Ineos USA22033380953525$102.13$2.94
Apr 2026Ineos USA28932295068029$100.32$2.77
Mar 2026Ineos USA2611785292800$91.38$3.04
Feb 2026Ineos USA0022500$64.51$3.62
Jan 2026Ineos USA11705122603$60.04$7.72
Dec 2025Ineos USA2073177274762$57.97$4.26
Nov 2025Ineos USA2061587114682$60.06$3.79
Oct 2025Ineos USA19214778451223$60.89$3.19
Sep 2025Ineos USA2003052362333$63.96$2.97
Aug 2025Ineos USA20717627425915$64.86$2.91
Jul 2025Ineos USA1921374864860$68.39$3.20
Jun 2025Ineos USA1981574634630$68.17$3.02
May 2025Ineos USA2234526006000$62.17$3.12
Apr 2025Ineos USA3033426396390$63.54$3.42
Mar 2025Ineos USA13601831830$68.24$4.12
Feb 2025Ineos USA1943272312310$71.53$4.19
Jan 2025Ineos USA2533015985980$75.74$4.13
Dec 2024Ineos USA2251606416410$70.12$3.01
Nov 2024Ineos USA4335079999990$69.95$2.12
Oct 2024Ineos USA148095950$71.99$2.20
Sep 2024Ineos USA00000$70.24$2.28
Aug 2024Ineos USA1982765845840$76.68$1.99
Jul 2024Ineos USA2492996306300$81.80$2.07
Jun 2024Ineos USA2601635575570$79.77$2.54
May 2024Ineos USA1841675415356$80.02$2.12
Apr 2024Ineos USA2303175625620$85.35$1.60
Mar 2024Ineos USA3493339129039$81.28$1.49
Feb 2024Ineos USA58252188383746$77.25$1.72
Jan 2024Ineos USA260202$74.15$3.18
Dec 2023Ineos USA00000$71.90$2.52
Nov 2023Ineos USA21734432430717$77.69$2.71
Oct 2023Ineos USA25016752350617$85.64$2.98
Sep 2023Ineos USA23218652851117$89.43$2.64
Aug 2023Ineos USA28434455252725$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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This lease belongs to

OperatorIneos USA Oil & Gas LLCFieldEagleville (Eagle Ford-1)CountyMcMullen County

Ineos USA Oil & Gas LLC in McMullen County

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