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Texas oil lease

Producing

SHAFFER, M. C. 155

Shaffer, M. C. 155 is an oil lease in Taylor County, Texas, operated by Bustamante Oil Company in the Taylor County Regular field.

3 wells

767bbl oil, last 12 months+8% vs prior year
Operator
Bustamante Oil Company
County
Taylor County
Field
Taylor County Regular
RRC lease
7B-11591

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Where it sits

This county

Taylor CountyTaylorShackelfordFisherNolanCallahanJonesCokeTaylor County
Taylor County
Oil in Jul 2026
40 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Bustamante Oil Company took over from Bustamante Resources LLC in Jul 2026.

  • Sales

    No sales reported for the last 10 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

Oil output rose 8% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output rose 8% over the last 12 monthsMonthly oil production for SHAFFER, M. C. 155, Aug 2023 to Jul 2026. Oil output rose 8% over the last 12 months. 767 bbl in the 12 months through Jul 2026, against 711 bbl in the 12 months before.Last 12 months: 767 bblbbl per month050100150200Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 8% over the last 12 monthsMonthly oil production for SHAFFER, M. C. 155, Aug 2023 to Jul 2026. Oil output rose 8% over the last 12 months. 767 bbl in the 12 months through Jul 2026, against 711 bbl in the 12 months before.Last 12 monthsbbl per month050100150200Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 2 times, most recently in Jul 2026

Operators of this lease over timeRobertson Resources, Inc., Jan 2020 to Jun 2025; Bustamante Resources LLC, Jul 2025 to Jun 2026; Bustamante Oil Company, Jul 2026 to Jul 20262020202120222023202420252026Changed Jul 2025Changed Jul 2026Robertson Resources, Inc.Jan 2020 to Jun 2025Bustamante Resources LLCJul 2025 to Jun 2026Bustamante Oil CompanyJul 2026 to now
Operators of this lease over timeRobertson Resources, Inc., Jan 2020 to Jun 2025; Bustamante Resources LLC, Jul 2025 to Jun 2026; Bustamante Oil Company, Jul 2026 to Jul 20262020202120222023202420252026Changed Jul 2025Changed Jul 2026Robertson Resources, Inc.Jan 2020 to Jun 2025Bustamante Resources LLCJul 2025 to Jun 2026Bustamante Oil CompanyJul 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

3 wells on this lease

Wells on SHAFFER, M. C. 155
API numberWell no.Status
42-441-302801Active
42-441-303142Active
42-441-306694Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Bml, Inc. BOilGathers100Dec 1, 2016

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

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What the drilling permits say

  • Good to know

    The state has no unit acreage for this lease

    Ask the operator for the acreage on your well's division order and unit plat.

Check your decimal on this lease
Permits for Shaffer, M. C. 155
API numberWell no.Acreson the permit
42-441-302801–
42-441-303142–
42-441-306694–

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

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36 months, newest first

Ledger for SHAFFER, M. C. 155
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Bustamante Oil400$80.46$2.89
Jun 2026Bustamante Resources470$84.81$3.15
May 2026Bustamante Resources440$102.13$2.94
Apr 2026Bustamante Resources420$100.32$2.77
Mar 2026Bustamante Resources400$91.38$3.04
Feb 2026Bustamante Resources480$64.51$3.62
Jan 2026Bustamante Resources500$60.04$7.72
Dec 2025Bustamante Resources660$57.97$4.26
Nov 2025Bustamante Resources820$60.06$3.79
Oct 2025Bustamante Resources800$60.89$3.19
Sep 2025Bustamante Resources166142$63.96$2.97
Aug 2025Bustamante Resources62167$64.86$2.91
Jul 2025Bustamante Resources1000$68.39$3.20
Jun 2025Robertson Resources,102162$68.17$3.02
May 2025Robertson Resources,102169$62.17$3.12
Apr 2025Robertson Resources,1100$63.54$3.42
Mar 2025Robertson Resources,90172$68.24$4.12
Feb 2025Robertson Resources,850$71.53$4.19
Jan 2025Robertson Resources,41174$75.74$4.13
Dec 2024Robertson Resources,140$70.12$3.01
Nov 2024Robertson Resources,10174$69.95$2.12
Oct 2024Robertson Resources,220$71.99$2.20
Sep 2024Robertson Resources,250$70.24$2.28
Aug 2024Robertson Resources,100$76.68$1.99
Jul 2024Robertson Resources,360$81.80$2.07
Jun 2024Robertson Resources,1270$79.77$2.54
May 2024Robertson Resources,82167$80.02$2.12
Apr 2024Robertson Resources,910$85.35$1.60
Mar 2024Robertson Resources,88171$81.28$1.49
Feb 2024Robertson Resources,940$77.25$1.72
Jan 2024Robertson Resources,66125$74.15$3.18
Dec 2023Robertson Resources,1000$71.90$2.52
Nov 2023Robertson Resources,102170$77.69$2.71
Oct 2023Robertson Resources,710$85.64$2.98
Sep 2023Robertson Resources,67169$89.43$2.64
Aug 2023Robertson Resources,850$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

OperatorBustamante Oil CompanyFieldTaylor County RegularCountyTaylor County

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