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Texas oil lease

Producing

ZIENTEK UNIT B

Zientek Unit B is an oil lease in Dimmit County, Texas, operated by Ineos USA Oil & Gas LLC in the Briscoe Ranch (Eagleford) field.

1 well

2,036bbl oil, last 12 months−15% vs prior year
RRC lease
01-15613

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Where it sits

This county

Dimmit CountyDimmitLA SalleZavalaFrioMaverickDimmit County
Dimmit County
Gas, last 12 months
6,332 mcf
Oil in Jul 2026
237 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 ZIENTEK UNIT B, Aug 2023 to Jul 2026. Oil output fell 15% over the last 12 months. 2,036 bbl in the 12 months through Jul 2026, against 2,388 bbl in the 12 months before.Last 12 months: 2,036 bblbbl per monthmcf per month001002502005003007504001,0005001,250Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 15% over the last 12 monthsMonthly oil production and gas for ZIENTEK UNIT B, Aug 2023 to Jul 2026. Oil output fell 15% over the last 12 months. 2,036 bbl in the 12 months through Jul 2026, against 2,388 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month001002502005003007504001,0005001,250Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 4.4% of the gas in Feb 2026.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of ZIENTEK UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 4.4% of the gas in Feb 2026.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: fuel to lineFlared 4.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of ZIENTEK UNIT B gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 4.4% of the gas in Feb 2026.Share of gas by disposition code0%50%100%Jul 26: fuel to lineFlared 4.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    59% · 3,736 mcf

  • Lease fuel (1)

    39% · 2,442 mcf

  • Flared (4)

    2.4% · 154 mcf

2.4% of the gas flared in the last 12 months. 6 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 ZIENTEK UNIT B
API numberWell no.Status
42-127-339801HActive

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).

440 acres on the newest permit

Permits for Zientek Unit B
API numberWell no.Acreson the permit
42-127-339801H440

SourceRailroad Commission drilling permits, Sep 26, 2026 (source 1, source 2).

Estimate your royalty

36 months, newest first

Ledger for ZIENTEK UNIT B
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Ineos USA23731654428015$80.46$2.89
Jun 2026Ineos USA12216036611312$84.81$3.15
May 2026Ineos USA16117845018813$102.13$2.94
Apr 2026Ineos USA1751755002590$100.32$2.77
Mar 2026Ineos USA18610463936624$91.38$3.04
Feb 2026Ineos USA17116941016718$64.51$3.62
Jan 2026Ineos USA1631895743232$60.04$7.72
Dec 2025Ineos USA661455703192$57.97$4.26
Nov 2025Ineos USA1771586163732$60.06$3.79
Oct 2025Ineos USA19616863636126$60.89$3.19
Sep 2025Ineos USA18317049047218$63.96$2.97
Aug 2025Ineos USA19915953751522$64.86$2.91
Jul 2025Ineos USA1211593033030$68.39$3.20
Jun 2025Ineos USA1691684384380$68.17$3.02
May 2025Ineos USA1771565415410$62.17$3.12
Apr 2025Ineos USA1681834124120$63.54$3.42
Mar 2025Ineos USA1721486486480$68.24$4.12
Feb 2025Ineos USA2253437077070$71.53$4.19
Jan 2025Ineos USA1901607307300$75.74$4.13
Dec 2024Ineos USA2271777477470$70.12$3.01
Nov 2024Ineos USA1951757447440$69.95$2.12
Oct 2024Ineos USA2403168098090$71.99$2.20
Sep 2024Ineos USA2253286846840$70.24$2.28
Aug 2024Ineos USA2793558488480$76.68$1.99
Jul 2024Ineos USA3001838668660$81.80$2.07
Jun 2024Ineos USA1111773793790$79.77$2.54
May 2024Ineos USA2923431,0171,00710$80.02$2.12
Apr 2024Ineos USA2461736516510$85.35$1.60
Mar 2024Ineos USA2351836156096$81.28$1.49
Feb 2024Ineos USA1993635475443$77.25$1.72
Jan 2024Ineos USA13603813792$74.15$3.18
Dec 2023Ineos USA2491806926884$71.90$2.52
Nov 2023Ineos USA2671847047004$77.69$2.71
Oct 2023Ineos USA2993577987935$85.64$2.98
Sep 2023Ineos USA1791564554523$89.43$2.64
Aug 2023Ineos USA1861755975943$81.39$2.58

Flared above 3%

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

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Nearby

Briscoe Ranch (Eagleford) field

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