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Texas oil lease

Producing

CASSELMAN 16

Casselman 16 is an oil lease in Midland County, Texas, operated by Apache Corporation in the Spraberry (Trend Area) field.

29 wells

200,719bbl oil, last 12 months−36% vs prior year
Operator
Apache Corporation
County
Midland County
Field
Spraberry (Trend Area)
RRC lease
08-38816

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
586,656 mcf
Oil in Jul 2026
17,451 bbl

Production by month

Oil output fell 36% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for CASSELMAN 16, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 200,719 bbl in the 12 months through Jul 2026, against 314,601 bbl in the 12 months before.Last 12 months: 200,719 bblbbl per monthmcf per month0020k20k40k40k60k60k80k80kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for CASSELMAN 16, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 200,719 bbl in the 12 months through Jul 2026, against 314,601 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0020k20k40k40k60k60k80k80kJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Aug 2024 the lease's gas goes to a transmission line instead of a processing plant

Flaring peaked at 25.7% of the gas in Sep 2024.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Aug 2024 the lease's gas goes to a transmission line instead of a processing plantShare of CASSELMAN 16 gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 25.7% of the gas in Sep 2024.Share of the lease’s gas by disposition code, per month0%50%100%Aug 2024: plant to lineFlared 25.7%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Aug 2024 the lease's gas goes to a transmission line instead of a processing plantShare of CASSELMAN 16 gas by disposition code each month, Aug 2023 to Jul 2026. Since Aug 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 25.7% of the gas in Sep 2024.Share of gas by disposition code0%50%100%Aug 24: plant to lineFlared 25.7%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    98% · 575,005 mcf

  • Lease fuel (1)

    2.0% · 11,651 mcf

Who has run this lease

The operator changed once, most recently in Aug 2024

Operators of this lease over timeCallon Petroleum Operating Co, Jan 2020 to Jul 2024; Apache Corporation, Aug 2024 to Jul 20262020202120222023202420252026Changed Aug 2024Callon Petroleum Operating CoJan 2020 to Jul 2024Apache CorporationAug 2024 to now
Operators of this lease over timeCallon Petroleum Operating Co, Jan 2020 to Jul 2024; Apache Corporation, Aug 2024 to Jul 20262020202120222023202420252026Changed Aug 2024Callon Petroleum Operating CoJan 2020 to Jul 2024Apache CorporationAug 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

29 wells on this lease

Wells on CASSELMAN 16
API numberWell no.Status
42-329-358806Active
42-329-359935Active
42-329-360557Shut-in
42-329-360588Active
42-329-368501Shut-in
42-329-368702Shut-in
42-329-3697524Active
42-329-3697622Shut-in
42-329-3697723Active
42-329-3697921Shut-in
42-329-369809Active
42-329-3698110Active
42-329-3765025Shut-in
42-329-3765327Shut-in
42-329-3765426Active
42-329-3766228Shut-in
42-329-3849814Shut-in
42-329-421598ULShut-in
42-329-4216010ULActive
42-329-4216111LLActive
42-329-4216212ULActive
42-329-4216313LLActive
42-329-421659LLActive
42-329-4391915SHActive
42-329-4392016SHActive
42-329-4392117SHActive
42-329-4392218SHActive
42-329-468051HActive
42-329-468062HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Plains Pipeline L.p.OilGathers80Oct 1, 2023–
Energy Transfer Marketing & TermOilGathers5Oct 1, 2023–
Enterprise Crude Oil LLCOilGathers5Mar 6, 2017–
Plains Marketing, L.p.OilGathers5Mar 6, 2017–
Rio Energy International, Inc.OilGathers5Mar 6, 2017–
Enlink Gas Marketing, LPCasinghead gasBuys100Dec 15, 2016–
Enlink Midstream Services, LLCCasinghead gasGathers100Jun 1, 2021–
Ngl Crude Logistics, LLCOilGathers5Mar 6, 2017Oct 1, 2023
Plains Pipeline L.p.OilGathers75Jun 1, 2021Oct 1, 2023
Sunoco Ptnrs. Mktg.&terminals LPOilGathers5Mar 6, 2017Oct 1, 2023
Enlink North Texas Gathering, LPCasinghead gasGathers100Dec 10, 2015Jun 1, 2021
Lpc Crude Oil Marketing LLCOilGathers5Mar 6, 2017Jun 1, 2021
Plains Pipeline L.p.OilGathers70Mar 6, 2017Jun 1, 2021

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

Who buys my oilOil price check

660.70 acres on the newest permit

  • Good to know

    The wells on this lease state different acreage

    The permits state between 660.7 and 662.9 acres. Use the acres from your own division order for the well you are paid on.

  • Good to know

    29 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 Casselman 16
API numberWell no.Acreson the permit
42-329-468062H660.70
42-329-468051H660.70
42-329-4391915SH660.70
42-329-4392016SH660.70
42-329-4392117SH660.70
42-329-4392218SH660.70
42-329-421598UL660.70
42-329-4216010UL660.70
42-329-4216111LL660.70
42-329-4216212UL660.70
42-329-4216313LL660.70
42-329-421659LL660.70

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

Unit decimal checker

What APA Corporation told investors it received

Apache Corporation is linked to APA Corporation (APA).
Realized prices reported by APA Corporation
QuarterOil$ per bblFiling
Q2 2026$98.24SEC filing
Q1 2026$78.69SEC filing
Q4 2025$61.03SEC filing
Q3 2025$67.43SEC filing
Q2 2025$65.58SEC filing
Q1 2025$73.73SEC filing

SourceAPA Corporation quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for CASSELMAN 16
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Apache Corporation17,45116,76546,35246,3520$80.46$2.89
Jun 2026Apache Corporation19,80019,75253,70153,7010$84.81$3.15
May 2026Apache Corporation19,43119,26657,57957,5790$102.13$2.94
Apr 2026Apache Corporation18,00518,06349,70349,7030$100.32$2.77
Mar 2026Apache Corporation12,40012,41144,10444,1040$91.38$3.04
Feb 2026Apache Corporation11,95911,99642,82840,5880$64.51$3.62
Jan 2026Apache Corporation12,71312,74746,77844,2980$60.04$7.72
Dec 2025Apache Corporation15,03515,09049,85747,3770$57.97$4.26
Nov 2025Apache Corporation15,84415,91647,84145,8700$60.06$3.79
Oct 2025Apache Corporation19,35019,30652,67350,1930$60.89$3.19
Sep 2025Apache Corporation19,78219,76848,26048,2600$63.96$2.97
Aug 2025Apache Corporation18,94918,90146,98046,9800$64.86$2.91
Jul 2025Apache Corporation18,86118,87546,57546,5750$68.39$3.20
Jun 2025Apache Corporation20,90720,85447,98847,9880$68.17$3.02
May 2025Apache Corporation22,85722,89350,96050,9600$62.17$3.12
Apr 2025Apache Corporation19,89919,79947,06447,0640$63.54$3.42
Mar 2025Apache Corporation22,88523,13350,49950,4990$68.24$4.12
Feb 2025Apache Corporation21,60421,41239,40737,1670$71.53$4.19
Jan 2025Apache Corporation16,15516,19430,87128,3910$75.74$4.13
Dec 2024Apache Corporation27,55327,44749,36146,8810$70.12$3.01
Nov 2024Apache Corporation27,73427,69245,57841,4091,769$69.95$2.12
Oct 2024Apache Corporation34,46334,68151,92849,4480$71.99$2.20
Sep 2024Apache Corporation34,42034,85853,35839,58613,732$70.24$2.28
Aug 2024Apache Corporation47,26347,25565,16065,1200$76.68$1.99
Jul 2024Callon Petroleum59,27459,08764,69263,4670$81.80$2.07
Jun 2024Callon Petroleum39,58439,28835,72734,465102$79.77$2.54
May 2024Callon Petroleum1992151,6283880$80.02$2.12
Apr 2024Callon Petroleum9,2939,25450,69649,4960$85.35$1.60
Mar 2024Callon Petroleum9,9579,97754,55346,9316,382$81.28$1.49
Feb 2024Callon Petroleum9,6709,92950,71549,5550$77.25$1.72
Jan 2024Callon Petroleum10,99810,79557,54256,3020$74.15$3.18
Dec 2023Callon Petroleum11,99611,87361,14859,9080$71.90$2.52
Nov 2023Callon Petroleum12,42212,65658,97957,7790$77.69$2.71
Oct 2023Callon Petroleum13,58813,45460,81359,5730$85.64$2.98
Sep 2023Callon Petroleum11,19611,11048,70748,3870$89.43$2.64
Aug 2023Callon Petroleum11,45911,59847,10147,1010$81.39$2.58

Flared above 3%

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

OperatorApache CorporationFieldSpraberry (Trend Area)CountyMidland County

Apache Corporation in Midland County

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Spraberry (Trend Area) field

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