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Texas oil lease

Producing

COSPER "37"

Cosper "37" is an oil lease in Midland County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

7 wells

3,814bbl oil, last 12 months−26% vs prior year
Operator
Diamondback E&P LLC
County
Midland County
Field
Spraberry (Trend Area)
RRC lease
08-39198

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Where it sits

This county

Midland CountyMidlandMartinAndrewsGlasscockHowardEctorMidland County
Midland County
Gas, last 12 months
22,043 mcf
Oil in Jul 2026
211 bbl

Production by month

Oil output fell 26% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 26% over the last 12 monthsMonthly oil production and gas for COSPER "37", Aug 2023 to Jul 2026. Oil output fell 26% over the last 12 months. 3,814 bbl in the 12 months through Jul 2026, against 5,177 bbl in the 12 months before.Last 12 months: 3,814 bblbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 26% over the last 12 monthsMonthly oil production and gas for COSPER "37", Aug 2023 to Jul 2026. Oil output fell 26% over the last 12 months. 3,814 bbl in the 12 months through Jul 2026, against 5,177 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month005001,0001,0002,0001,5003,0002,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

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

  • Processing plant (3)
  • Transmission line (2)
  • Flared (4)
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of COSPER "37" gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 100.0% of the gas in Oct 2023.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineFlared 100.0%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of COSPER "37" gas by disposition code each month, Aug 2023 to Jul 2026. Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 100.0% of the gas in Oct 2023.Share of gas by disposition code0%50%100%Nov 24: plant to lineFlared 100.0%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Jan 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 20262020202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Jan 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

7 wells on this lease

Wells on COSPER "37"
API numberWell no.Status
42-329-321381Active
42-329-361712Active
42-329-366053Active
42-329-369664Shut-in
42-329-378545Active
42-329-381026Active
42-329-398707Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Enterprise Crude Oil LLCOilGathers100Sep 1, 2026–
Dcp Operating Company, LPCasinghead gasBuys100Apr 1, 2017–
Dcp Operating Company, LPCasinghead gasGathers100Apr 1, 2017–
Midcon Gathering LLCOilGathers100Aug 1, 2025Sep 1, 2026
Oasis Transp & Marketing Corp.OilGathers100Sep 11, 2008Aug 1, 2025

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

Who buys my oilOil price check

320 acres on the newest permit

7 wells are listed on this lease

Permits for Cosper "37"
API numberWell no.Acreson the permit
42-329-321381320
42-329-361712320
42-329-366053320
42-329-369664320
42-329-398707320
42-329-381026320
42-329-378545320

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

Unit decimal checker

What Diamondback Energy, Inc. told investors it received

Diamondback E&P LLC is linked to Diamondback Energy, Inc. (FANG).
Realized prices reported by Diamondback Energy, Inc.
QuarterOil$ per bblFiling
Q2 2026$96.82SEC filing
Q1 2026$73.47SEC filing
Q4 2025$58.00SEC filing
Q3 2025$64.60SEC filing
Q2 2025$63.23SEC filing
Q1 2025$70.95SEC filing

SourceDiamondback Energy, Inc. quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for COSPER "37"
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P2111831,6471,6470$80.46$2.89
Jun 2026Diamondback E&P2501811,8431,8430$84.81$3.15
May 2026Diamondback E&P2943712,0542,0540$102.13$2.94
Apr 2026Diamondback E&P3123712,0562,0560$100.32$2.77
Mar 2026Diamondback E&P3203641,7901,7900$91.38$3.04
Feb 2026Diamondback E&P2691881,4791,4790$64.51$3.62
Jan 2026Diamondback E&P2923701,3351,3350$60.04$7.72
Dec 2025Diamondback E&P3843761,9571,9570$57.97$4.26
Nov 2025Diamondback E&P4133682,1422,1420$60.06$3.79
Oct 2025Diamondback E&P4343681,7581,7580$60.89$3.19
Sep 2025Diamondback E&P2221801,4681,4680$63.96$2.97
Aug 2025Diamondback E&P4135552,5142,5140$64.86$2.91
Jul 2025Diamondback E&P2731761,9511,9510$68.39$3.20
Jun 2025Diamondback E&P3973582,0042,0040$68.17$3.02
May 2025Diamondback E&P4205352,0822,0820$62.17$3.12
Apr 2025Diamondback E&P5685731,6991,6990$63.54$3.42
Mar 2025Diamondback E&P5225431,4871,4870$68.24$4.12
Feb 2025Diamondback E&P6055501,2171,2170$71.53$4.19
Jan 2025Diamondback E&P7115471,0931,0930$75.74$4.13
Dec 2024Endeavor Energy3253661,4321,4320$70.12$3.01
Nov 2024Endeavor Energy3523641,8211,8210$69.95$2.12
Oct 2024Endeavor Energy1563611,7951,7950$71.99$2.20
Sep 2024Endeavor Energy4193581,9101,9100$70.24$2.28
Aug 2024Endeavor Energy4293621,9831,9830$76.68$1.99
Jul 2024Endeavor Energy6005342,0912,0910$81.80$2.07
Jun 2024Endeavor Energy3133462,4782,4780$79.77$2.54
May 2024Endeavor Energy7147062,2882,2880$80.02$2.12
Apr 2024Endeavor Energy5555391,8521,8520$85.35$1.60
Mar 2024Endeavor Energy5055351,8311,8310$81.28$1.49
Feb 2024Endeavor Energy7958811,4531,4530$77.25$1.72
Jan 2024Endeavor Energy6007361,8001,517283$74.15$3.18
Dec 2023Endeavor Energy8467262,39302,393$71.90$2.52
Nov 2023Endeavor Energy1,0711,2791,90701,907$77.69$2.71
Oct 2023Endeavor Energy1,3881,0762,61702,617$85.64$2.98
Sep 2023Endeavor Energy1843601701700$89.43$2.64
Aug 2023Endeavor Energy1,7871,9583,7173,7170$81.39$2.58

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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This lease belongs to

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyMidland County

Diamondback E&P LLC in Midland County

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