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Texas oil lease

Producing

BONANZA (SAN ANDRES) UNIT

Bonanza (San Andres) Unit is an oil lease in Cochran County, Texas, operated by Cornerstone Petroleum, LLC in the Bonanza (San Andres) field.

52 wells

167bbl oil, last 12 months−31% vs prior year
Operator
Cornerstone Petroleum, LLC
County
Cochran County
Field
Bonanza (San Andres)
RRC lease
8A-66221

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Where it sits

This county

Cochran CountyCochranHockleyLambBaileyCochran County
Cochran County
Oil in Jul 2026
12 bbl
Reporting since
Jan 2020

Checks stopped on this lease?

  • Operator

    Operator changed: Cornerstone Petroleum, LLC took over from Manzano, LLC in Apr 2026.

  • 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.

See why checks stop on this lease

Production by month

Oil output fell 31% over the last 12 months

  • Oil (bars)
  • Last 12 months
Oil output fell 31% over the last 12 monthsMonthly oil production for BONANZA (SAN ANDRES) UNIT, Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 167 bbl in the 12 months through Jul 2026, against 243 bbl in the 12 months before.Last 12 months: 167 bblbbl per month020406080Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 31% over the last 12 monthsMonthly oil production for BONANZA (SAN ANDRES) UNIT, Aug 2023 to Jul 2026. Oil output fell 31% over the last 12 months. 167 bbl in the 12 months through Jul 2026, against 243 bbl in the 12 months before.Last 12 monthsbbl per month020406080Jan 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 3 times, most recently in Apr 2026

Operators of this lease over timeChanna Operating, LLC, Jan 2020 to Jul 2021; Silver Creek Permian Op Co, LLC, Aug 2021 to Apr 2023; Manzano, LLC, May 2023 to Mar 2026; Cornerstone Petroleum, LLC, Apr 2026 to Jul 20262020202120222023202420252026Changed Aug 2021Changed May 2023Changed Apr 2026Channa Operating, LLCJan 2020 to Jul 2021Silver Creek Permian Op Co, L…Aug 2021 to Apr 2023Manzano, LLCMay 2023 to Mar 2026Cornerstone Petroleum, LLCApr 2026 to now
Operators of this lease over timeChanna Operating, LLC, Jan 2020 to Jul 2021; Silver Creek Permian Op Co, LLC, Aug 2021 to Apr 2023; Manzano, LLC, May 2023 to Mar 2026; Cornerstone Petroleum, LLC, Apr 2026 to Jul 20262020202120222023202420252026Changed Aug 2021Changed May 2023Changed Apr 2026Channa Operating, LLCJan 2020 to Jul 2021Silver Creek Permian Op Co, LLCAug 2021 to Apr 2023Manzano, LLCMay 2023 to Mar 2026Cornerstone Petroleum, LLCApr 2026 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

52 wells on this lease

Wells on BONANZA (SAN ANDRES) UNIT
API numberWell no.Status
42-079-312391201Active
42-079-313181202Shut-in
42-079-313311203Shut-in
42-079-31341301Active
42-079-313591301Shut-in
42-079-313601302Shut-in
42-079-313611303Active
42-079-313951103Shut-in
42-079-31454904Shut-in
42-079-31455901Shut-in
42-079-31478903Shut-in
42-079-31503102Shut-in
42-079-31504103Active
42-079-31513105Shut-in
42-079-315461901Shut-in
42-079-315901902Shut-in
42-079-316102001Shut-in
42-079-31624104Active
42-079-31625503Active
42-079-31626101Active
42-079-31633902Active
42-079-316891903Active
42-079-316902002Active
42-079-31705206Active
42-079-31707205Shut-in
42-079-317091401Active
42-079-31713703Active
42-079-317141501Active
42-079-317161701Shut-in
42-079-317271402Active
42-079-317331001Active
42-079-31738701Shut-in
42-079-31742803Shut-in
42-079-31743402Active
42-079-318101904Active
42-079-318111905Shut-in
42-079-318122003Shut-in
42-079-318131802Shut-in
42-079-318141804Active
42-079-318151803Active
42-079-31819207Shut-in
42-079-31820704Shut-in
42-079-31832208Shut-in
42-079-31835209Active
42-079-318461403Active
42-079-318471502Active
42-079-318482010Shut-in
42-079-31890702Shut-in
42-079-319891601Shut-in
42-079-321641906Active
42-079-328811405Shut-in
42-079-81716601Shut-in

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Phillips 66 CompanyOilGathers100May 1, 2023–
Conocophillips CompanyOilGathers100Sep 1, 2009May 1, 2023
Targa Midstream Services LLCCasinghead gasGathers100Oct 1, 2011Aug 1, 2021
Targa Midstream Services LLCCasinghead gasBuys100Oct 1, 2011Aug 1, 2021

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

Who buys my oilOil price check

4,493 acres on the newest permit

  • Good to know

    A pooling certificate (P-12) was filed

    Your tract may share its production with neighbors in a pooled unit. The unit acres the operator uses to divide production can differ from the acreage on one permit.

  • Good to know

    The wells on this lease state different acreage

    The permits state between 40 and 4,493.01 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    52 wells are listed on this lease

    Each well can have its own unit. The decimal for one well does not have to equal the decimal for another.

  • Worth asking

    A Rule 37 case is listed

    The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease
Permits for Bonanza (San Andres) Unit
API numberWell no.Acreson the permit
42-079-314549044,493
42-079-314559014,493
42-079-314789034,493
42-079-3288114054,493.01
42-079-318207043,755
42-079-321641906492
42-079-319891601240
42-079-318907021,957
42-079-318461403123
42-079-3184820101,711
42-079-318471502123
42-079-318352091,711

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

Unit decimal checker

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36 months, newest first

Ledger for BONANZA (SAN ANDRES) UNIT
MonthOil producedbblOil soldbblWTI$/bblHenry Hub$/MMBtu
Jul 2026Cornerstone Petroleum,120$80.46$2.89
Jun 2026Cornerstone Petroleum,130$84.81$3.15
May 2026Cornerstone Petroleum,120$102.13$2.94
Apr 2026Cornerstone Petroleum,100$100.32$2.77
Mar 2026Manzano, LLC100$91.38$3.04
Feb 2026Manzano, LLC420$64.51$3.62
Jan 2026Manzano, LLC120$60.04$7.72
Dec 2025Manzano, LLC110$57.97$4.26
Nov 2025Manzano, LLC140$60.06$3.79
Oct 2025Manzano, LLC100$60.89$3.19
Sep 2025Manzano, LLC100$63.96$2.97
Aug 2025Manzano, LLC110$64.86$2.91
Jul 2025Manzano, LLC00$68.39$3.20
Jun 2025Manzano, LLC240$68.17$3.02
May 2025Manzano, LLC350$62.17$3.12
Apr 2025Manzano, LLC300$63.54$3.42
Mar 2025Manzano, LLC240$68.24$4.12
Feb 2025Manzano, LLC110$71.53$4.19
Jan 2025Manzano, LLC100$75.74$4.13
Dec 2024Manzano, LLC200$70.12$3.01
Nov 2024Manzano, LLC10170$69.95$2.12
Oct 2024Manzano, LLC790$71.99$2.20
Sep 2024Manzano, LLC00$70.24$2.28
Aug 2024Manzano, LLC00$76.68$1.99
Jul 2024Manzano, LLC400$81.80$2.07
Jun 2024Manzano, LLC280$79.77$2.54
May 2024Manzano, LLC45165$80.02$2.12
Apr 2024Manzano, LLC530$85.35$1.60
Mar 2024Manzano, LLC420$81.28$1.49
Feb 2024Manzano, LLC40165$77.25$1.72
Jan 2024Manzano, LLC140$74.15$3.18
Dec 2023Manzano, LLC430$71.90$2.52
Nov 2023Manzano, LLC480$77.69$2.71
Oct 2023Manzano, LLC190$85.64$2.98
Sep 2023Manzano, LLC0320$89.43$2.64
Aug 2023Manzano, LLC350$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

OperatorCornerstone Petroleum, LLCFieldBonanza (San Andres)CountyCochran County

Cornerstone Petroleum, LLC in Cochran County

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Bonanza (San Andres) field

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