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J. E. C. MAST

J. E. C. Mast is an oil lease in Andrews County, Texas, operated by Carruth Oil & Gas, LLC in the Shafter Lake (Yates) field.

2 wells

0bbl oil, last 12 months
Operator
Carruth Oil & Gas, LLC
County
Andrews County
Field
Shafter Lake (Yates)
RRC lease
08-05617

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Where it sits

This county

Andrews CountyAndrewsMartinGainesDawsonAndrews County
Andrews County
Oil in Jul 2026
0 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Sales

    No sales reported for the last 12 months of state data (through Jul 2026).

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

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Production by month

No oil produced in the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
No oil produced in the last 12 monthsMonthly oil production and gas for J. E. C. MAST, Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was Aug 2023, at 10 bbl.Last 12 months: 0 bblbbl per monthmcf per month0032555087510100Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
No oil produced in the last 12 monthsMonthly oil production and gas for J. E. C. MAST, Aug 2023 to Jul 2026. No oil produced in the last 12 months. The last month with output was Aug 2023, at 10 bbl.Last 12 monthsbbl per monthmcf per month0032555087510100Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a transmission line in the 11 months reported

All of the gas went to a transmission line in the 11 months reportedShare of J. E. C. MAST gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the 11 months reported.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a transmission line in the 11 months reportedShare of J. E. C. MAST gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a transmission line in the 11 months reported.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on J. E. C. MAST
API numberWell no.Status
42-003-072772Active
42-003-072783Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Eastex Crude Company, LLCOilGathers100Jan 1, 2023–
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017–
Carruth Oil & Gas, LLCCasinghead gasGathers100Jul 1, 2019–
Eastex Crude CompanyOilGathers100Oct 1, 2002Jan 1, 2023
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017Jul 1, 2019

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

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What the drilling permits say

Permits for J. E. C. Mast
API numberWell no.Acreson the permit
42-003-072772–
42-003-072783–

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

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36 months, newest first

Ledger for J. E. C. MAST
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 202600000$80.46$2.89
Jun 202600000$84.81$3.15
May 202600000$102.13$2.94
Apr 202600000$100.32$2.77
Mar 202600000$91.38$3.04
Feb 202600000$64.51$3.62
Jan 202600000$60.04$7.72
Dec 202500000$57.97$4.26
Nov 202500000$60.06$3.79
Oct 202500000$60.89$3.19
Sep 202500000$63.96$2.97
Aug 202500000$64.86$2.91
Jul 202500000$68.39$3.20
Jun 202500000$68.17$3.02
May 202500000$62.17$3.12
Apr 202500000$63.54$3.42
Mar 202500000$68.24$4.12
Feb 202500000$71.53$4.19
Jan 202500000$75.74$4.13
Dec 202400000$70.12$3.01
Nov 202400000$69.95$2.12
Oct 202400000$71.99$2.20
Sep 202400000$70.24$2.28
Aug 202400000$76.68$1.99
Jul 202400000$81.80$2.07
Jun 20240039390$79.77$2.54
May 20240013130$80.02$2.12
Apr 20240031310$85.35$1.60
Mar 20240036360$81.28$1.49
Feb 20240036360$77.25$1.72
Jan 20240090900$74.15$3.18
Dec 20230047470$71.90$2.52
Nov 20230058580$77.69$2.71
Oct 20230039390$85.64$2.98
Sep 20230033330$89.43$2.64
Aug 20231018444440$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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This lease belongs to

OperatorCarruth Oil & Gas, LLCFieldShafter Lake (Yates)CountyAndrews County

Carruth Oil & Gas, LLC in Andrews County

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Shafter Lake (Yates) field

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