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Texas oil lease

Producing

PFEIFFER-BYRD

Pfeiffer-Byrd is an oil lease in Zavala County, Texas, operated by CML Exploration, LLC in the Pearsall (Austin Chalk) field.

1 well

7,490bbl oil, last 12 months−40% vs prior year
Operator
CML Exploration, LLC
County
Zavala County
Field
Pearsall (Austin Chalk)
RRC lease
01-21246

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Where it sits

This county

Zavala CountyZavalaUvaldeKinneyMedinaFrioMaverickZavala County
Zavala County
Gas, last 12 months
2,260 mcf
Oil in Jul 2026
513 bbl

Production by month

Oil output fell 40% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for PFEIFFER-BYRD, Dec 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 7,490 bbl in the 12 months through Jul 2026, against 12,483 bbl in the 12 months before.Last 12 months: 7,490 bblbbl per monthmcf per month002,5002,0005,0004,0007,5006,00010k8,00012.5k10kJan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 40% over the last 12 monthsMonthly oil production and gas for PFEIFFER-BYRD, Dec 2023 to Jul 2026. Oil output fell 40% over the last 12 months. 7,490 bbl in the 12 months through Jul 2026, against 12,483 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month002,5002,0005,0004,0007,5006,00010k8,00012.5k10kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Oct 2025 the lease's gas goes to a transmission line instead of lease fuel

Flaring peaked at 100.0% of the gas in Dec 2023.

  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Oct 2025 the lease's gas goes to a transmission line instead of lease fuelShare of PFEIFFER-BYRD gas by disposition code each month, Dec 2023 to Jul 2026. Since Oct 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 100.0% of the gas in Dec 2023.Share of the lease’s gas by disposition code, per month0%50%100%Oct 2025: fuel to lineFlared 100.0%Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Oct 2025 the lease's gas goes to a transmission line instead of lease fuelShare of PFEIFFER-BYRD gas by disposition code each month, Dec 2023 to Jul 2026. Since Oct 2025 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 100.0% of the gas in Dec 2023.Share of gas by disposition code0%50%100%Oct 25: fuel to lineFlared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    48% · 2,488 mcf

  • Lease fuel (1)

    47% · 2,409 mcf

  • Flared (4)

    5.1% · 262 mcf

5.1% of the gas flared in the last 12 months. 15 months above 3%.

1 well on this lease

Wells on PFEIFFER-BYRD
API numberWell no.Status
42-507-335141Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Harvest Marketing & Trading, LLCOilGathers100Dec 13, 2023
Enterprise Gc LLCCasinghead gasBuys100Dec 13, 2023
Enterprise Products Operating LLCCasinghead gasGathers100Dec 13, 2023

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

Who buys my oilOil price check

704 acres on the newest permit

Permits for Pfeiffer-Byrd
API numberWell no.Acreson the permit
42-507-335141704

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

Unit decimal checker

Estimate your royalty

32 months, newest first

Ledger for PFEIFFER-BYRD
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026513536000$80.46$2.89
Jun 2026529362000$84.81$3.15
May 2026537529000$102.13$2.94
Apr 2026633726000$100.32$2.77
Mar 2026816905000$91.38$3.04
Feb 20264643621480$64.51$3.62
Jan 20266127302591440$60.04$7.72
Dec 20256405342791510$57.97$4.26
Nov 20256855562261310$60.06$3.79
Oct 20257089205783240$60.89$3.19
Sep 20256695515142470$63.96$2.97
Aug 20256847403901440$64.86$2.91
Jul 202561853848917348$68.39$3.20
Jun 20255607203861670$68.17$3.02
May 20259967438944760$62.17$3.12
Apr 202572890173740724$63.54$3.42
Mar 20251,1751,212393116190$68.24$4.12
Feb 20251,0409352186993$71.53$4.19
Jan 2025135365197970$75.74$4.13
Dec 20242,6412,7381,964789518$70.12$3.01
Nov 2024397053240$69.95$2.12
Oct 20241633331,1525430$71.99$2.20
Sep 20241,7921,6093,4131,305603$70.24$2.28
Aug 20242,2382,3245,6512,744401$76.68$1.99
Jul 20242,6162,8233,20503,205$81.80$2.07
Jun 20244,4774,4547,23207,232$79.77$2.54
May 20245,6276,1201,55301,553$80.02$2.12
Apr 202412,01211,8772,94202,942$85.35$1.60
Mar 202411,67211,0672,97502,975$81.28$1.49
Feb 20248,4768,8862,17202,172$77.25$1.72
Jan 20246,0286,0831,54101,541$74.15$3.18
Dec 20235,0724,4471,19001,190$71.90$2.52

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

This lease belongs to

OperatorCML Exploration, LLCFieldPearsall (Austin Chalk)CountyZavala County

CML Exploration, LLC in Zavala County

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Pearsall (Austin Chalk) field

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