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Texas oil lease

Producing

CARBON 12-13 UNIT 2

Carbon 12-13 Unit 2 is an oil lease in Upton County, Texas, operated by Diamondback E&P LLC in the Spraberry (Trend Area) field.

8 wells

163,932bbl oil, last 12 months−36% vs prior year
Operator
Diamondback E&P LLC
County
Upton County
Field
Spraberry (Trend Area)
RRC lease
7C-21100

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Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
2,748,269 mcf
Oil in Jul 2026
10,944 bbl

Checks stopped on this lease?

  • Operator

    Operator changed: Diamondback E&P LLC took over from Endeavor Energy Resources L.P. in Jan 2025.

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

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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 CARBON 12-13 UNIT 2, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 163,932 bbl in the 12 months through Jul 2026, against 255,672 bbl in the 12 months before.Last 12 months: 163,932 bblbbl per monthmcf per month0010k100k20k200k30k300k40k400k50k500kOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 36% over the last 12 monthsMonthly oil production and gas for CARBON 12-13 UNIT 2, Aug 2023 to Jul 2026. Oil output fell 36% over the last 12 months. 163,932 bbl in the 12 months through Jul 2026, against 255,672 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0010k100k20k200k30k300k40k400k50k500kJan 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

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of CARBON 12-13 UNIT 2 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.Share of the lease’s gas by disposition code, per month0%50%100%Nov 2024: plant to lineOct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Nov 2024 the lease's gas goes to a transmission line instead of a processing plantShare of CARBON 12-13 UNIT 2 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.Share of gas by disposition code0%50%100%Nov 24: plant to lineJan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    98% · 2,688,952 mcf

  • Lease fuel (1)

    2.0% · 54,493 mcf

  • Flared (4)

    0.2% · 4,824 mcf

0.2% of the gas flared in the last 12 months. No month above 3%.

Who has run this lease

The operator changed once, most recently in Jan 2025

Operators of this lease over timeEndeavor Energy Resources L.P., Nov 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 2026202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Nov 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now
Operators of this lease over timeEndeavor Energy Resources L.P., Nov 2020 to Dec 2024; Diamondback E&P LLC, Jan 2025 to Jul 2026202120222023202420252026Changed Jan 2025Endeavor Energy Resources L.P.Nov 2020 to Dec 2024Diamondback E&P LLCJan 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

8 wells on this lease

Wells on CARBON 12-13 UNIT 2
API numberWell no.Status
42-461-41349251Active
42-461-41350271Active
42-461-41351281Active
42-461-41697152Active
42-461-41698162Active
42-461-41699182Active
42-461-41700261Active
42-461-41701272Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer CompanyOilGathers100Feb 1, 2025–
Dcp Operating Company, LPCasinghead gasBuys100Nov 6, 2020–
Dcp Operating Company, LPCasinghead gasGathers100Nov 6, 2020–
Nustar Permian Trans and Stg,llcOilGathers100Nov 6, 2020Feb 1, 2025

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

Who buys my oilOil price check

647.57 acres on the newest permit

  • Good to know

    8 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.

Check your decimal on this lease
Permits for Carbon 12-13 Unit 2
API numberWell no.Acreson the permit
42-461-41699182647.57
42-461-41700261647.57
42-461-41701272647.57
42-461-41697152647.57
42-461-41698162647.57
42-461-41349251647.57
42-461-41350271647.57
42-461-41351281647.57

SourceRailroad Commission drilling permits, Oct 3, 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 CARBON 12-13 UNIT 2
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Diamondback E&P10,94410,848266,569260,711486$80.46$2.89
Jun 2026Diamondback E&P11,90311,874212,162207,814242$84.81$3.15
May 2026Diamondback E&P13,49913,483210,161205,222788$102.13$2.94
Apr 2026Diamondback E&P12,68412,961188,703184,6310$100.32$2.77
Mar 2026Diamondback E&P13,78913,524191,238186,081939$91.38$3.04
Feb 2026Diamondback E&P13,89313,976170,740166,9539$64.51$3.62
Jan 2026Diamondback E&P13,36913,254160,081155,373528$60.04$7.72
Dec 2025Diamondback E&P14,94014,998177,779173,2730$57.97$4.26
Nov 2025Diamondback E&P12,63312,594171,546167,680237$60.06$3.79
Oct 2025Diamondback E&P13,09613,154206,076200,8101,256$60.89$3.19
Sep 2025Diamondback E&P15,94315,941374,561368,59892$63.96$2.97
Aug 2025Diamondback E&P17,23917,211418,653411,806247$64.86$2.91
Jul 2025Diamondback E&P18,33418,302412,559404,50492$68.39$3.20
Jun 2025Diamondback E&P17,79617,810301,919291,7553,301$68.17$3.02
May 2025Diamondback E&P14,67114,734214,944209,71880$62.17$3.12
Apr 2025Diamondback E&P19,40319,349211,774207,7175$63.54$3.42
Mar 2025Diamondback E&P20,73120,821204,580200,3580$68.24$4.12
Feb 2025Diamondback E&P19,59419,577173,535169,8486$71.53$4.19
Jan 2025Diamondback E&P24,72424,693199,152195,04619$75.74$4.13
Dec 2024Endeavor Energy24,14124,155205,510201,4920$70.12$3.01
Nov 2024Endeavor Energy22,41422,386172,251168,74018$69.95$2.12
Oct 2024Endeavor Energy24,38024,619181,338177,8682$71.99$2.20
Sep 2024Endeavor Energy23,28723,395169,401168,3970$70.24$2.28
Aug 2024Endeavor Energy26,19725,881186,293183,2820$76.68$1.99
Jul 2024Endeavor Energy27,41527,371195,410189,2152,349$81.80$2.07
Jun 2024Endeavor Energy26,77726,815180,966172,2914,989$79.77$2.54
May 2024Endeavor Energy30,23030,168193,805189,7651$80.02$2.12
Apr 2024Endeavor Energy29,74829,767189,676185,7711$85.35$1.60
Mar 2024Endeavor Energy33,47233,506202,236198,4300$81.28$1.49
Feb 2024Endeavor Energy33,36233,368181,656177,9810$77.25$1.72
Jan 2024Endeavor Energy35,21535,179150,781148,0740$74.15$3.18
Dec 2023Endeavor Energy35,69235,678164,744156,4510$71.90$2.52
Nov 2023Endeavor Energy36,60036,630136,415128,2670$77.69$2.71
Oct 2023Endeavor Energy31,50031,486116,298108,22915$85.64$2.98
Sep 2023Endeavor Energy38,58538,572144,541136,2910$89.43$2.64
Aug 2023Endeavor Energy38,03138,021136,487128,6380$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

OperatorDiamondback E&P LLCFieldSpraberry (Trend Area)CountyUpton County

Diamondback E&P LLC in Upton County

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Spraberry (Trend Area) field

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