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Texas oil lease

Producing

DUANE 18

Duane 18 is an oil lease in Glasscock County, Texas, operated by Civitas Permian Operating, LLC in the Spraberry (Trend Area) field.

2 wells

644bbl oil, last 12 months+28% vs prior year
RRC lease
08-44330

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Where it sits

This county

Glasscock CountyGlasscockMitchellMartinSterlingMidlandHowardGlasscock County
Glasscock County
Gas, last 12 months
3,019 mcf
Oil in Jul 2026
71 bbl

Production by month

Oil output rose 28% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output rose 28% over the last 12 monthsMonthly oil production and gas for DUANE 18, Aug 2023 to Jul 2026. Oil output rose 28% over the last 12 months. 644 bbl in the 12 months through Jul 2026, against 505 bbl in the 12 months before.Last 12 months: 644 bblbbl per monthmcf per month0050100100200150300200400Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output rose 28% over the last 12 monthsMonthly oil production and gas for DUANE 18, Aug 2023 to Jul 2026. Oil output rose 28% over the last 12 months. 644 bbl in the 12 months through Jul 2026, against 505 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month0050100100200150300200400Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

All of the gas went to a processing plant in the last 12 months

All of the gas went to a processing plant in the last 12 monthsShare of DUANE 18 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of the lease’s gas by disposition code, per month0%50%100%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of DUANE 18 gas by disposition code each month, Aug 2023 to Jul 2026. All of the gas went to a processing plant in the last 12 months.Share of gas by disposition code0%50%100%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Who has run this lease

The operator changed 2 times, most recently in May 2025

Operators of this lease over timeCrownquest Operating, LLC, Jan 2020 to Jul 2024; Oxyrock Operating, LLC, Aug 2024 to Apr 2025; Civitas Permian Operating, LLC, May 2025 to Jul 20262020202120222023202420252026Changed Aug 2024Changed May 2025Crownquest Operating, LLCJan 2020 to Jul 2024Oxyrock Operating, LLCAug 2024 to Apr 2025Civitas Permian Operating, LLCMay 2025 to now
Operators of this lease over timeCrownquest Operating, LLC, Jan 2020 to Jul 2024; Oxyrock Operating, LLC, Aug 2024 to Apr 2025; Civitas Permian Operating, LLC, May 2025 to Jul 20262020202120222023202420252026Changed Aug 2024Changed May 2025Crownquest Operating, LLCJan 2020 to Jul 2024Oxyrock Operating, LLCAug 2024 to Apr 2025Civitas Permian Operating, LLCMay 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on DUANE 18
API numberWell no.Status
42-173-353141Active
42-173-362954Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Nustar Permian Trans and Stg,llcOilGathers50May 1, 2025–
Shell Trading (Us) CompanyOilGathers50Feb 1, 2021–
Dcp Operating Company, LPCasinghead gasBuys50Feb 1, 2021–
Enlink Gas Marketing, LPCasinghead gasBuys50Feb 1, 2021–
Dcp Operating Company, LPCasinghead gasGathers50Feb 1, 2021–
Enlink Permian, LLCCasinghead gasGathers50Feb 1, 2021–
Energy Transfer CompanyOilGathers50Feb 1, 2025May 1, 2025
Nustar Permian Trans and Stg,llcOilGathers50Feb 1, 2021Feb 1, 2025
Dcp Operating Company, LPCasinghead gasGathers50Apr 1, 2017Feb 1, 2021
Enlink Permian Ii, LLCCasinghead gasGathers50Dec 1, 2014Feb 1, 2021
Dcp Operating Company, LPCasinghead gasBuys50Apr 1, 2017Feb 1, 2021
Enlink Gas Marketing, LPCasinghead gasBuys50Dec 1, 2014Feb 1, 2021

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

162.32 acres on the newest permit

Permits for Duane 18
API numberWell no.Acreson the permit
42-173-362954162.32
42-173-353141162.32

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

What SM Energy Company told investors it received

Civitas Permian Operating, LLC is linked to SM Energy Company (CIVI).
Realized prices reported by SM Energy Company
QuarterOil$ per bblFiling
Q2 2026$96.85SEC filing
Q1 2026$73.69SEC filing
Q3 2025$65.24SEC filing
Q2 2025$63.87SEC filing
Q1 2025$70.90SEC filing
Q4 2024$69.96SEC filing

SourceSM Energy Company quarterly reports, SEC EDGAR, company-wide averages before hedging.

Estimate your royalty

36 months, newest first

Ledger for DUANE 18
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Civitas Permian711403073070$80.46$2.89
Jun 2026Civitas Permian911512432430$84.81$3.15
May 2026Civitas Permian3752052050$102.13$2.94
Apr 2026Civitas Permian3202092090$100.32$2.77
Mar 2026Civitas Permian4302202200$91.38$3.04
Feb 2026Civitas Permian5301921920$64.51$3.62
Jan 2026Civitas Permian87982182180$60.04$7.72
Dec 2025Civitas Permian541102682680$57.97$4.26
Nov 2025Civitas Permian4202612610$60.06$3.79
Oct 2025Civitas Permian49872862860$60.89$3.19
Sep 2025Civitas Permian4502872870$63.96$2.97
Aug 2025Civitas Permian4003233230$64.86$2.91
Jul 2025Civitas Permian5012980800$68.39$3.20
Jun 2025Civitas Permian61183063060$68.17$3.02
May 2025Civitas Permian571223443440$62.17$3.12
Apr 2025Oxyrock Operating,12401281280$63.54$3.42
Mar 2025Oxyrock Operating,00000$68.24$4.12
Feb 2025Oxyrock Operating,00000$71.53$4.19
Jan 2025Oxyrock Operating,1901361360$75.74$4.13
Dec 2024Oxyrock Operating,491391881880$70.12$3.01
Nov 2024Oxyrock Operating,4411091090$69.95$2.12
Oct 2024Oxyrock Operating,5602502500$71.99$2.20
Sep 2024Oxyrock Operating,511872822820$70.24$2.28
Aug 2024Oxyrock Operating,4911731730$76.68$1.99
Jul 2024Crownquest Operating,5402282280$81.80$2.07
Jun 2024Crownquest Operating,1671312292290$79.77$2.54
May 2024Crownquest Operating,411372222220$80.02$2.12
Apr 2024Crownquest Operating,4702052050$85.35$1.60
Mar 2024Crownquest Operating,5402452450$81.28$1.49
Feb 2024Crownquest Operating,50861991990$77.25$1.72
Jan 2024Crownquest Operating,4501831830$74.15$3.18
Dec 2023Crownquest Operating,651542782780$71.90$2.52
Nov 2023Crownquest Operating,40682042040$77.69$2.71
Oct 2023Crownquest Operating,811622482480$85.64$2.98
Sep 2023Crownquest Operating,7512342340$89.43$2.64
Aug 2023Crownquest Operating,8912622620$81.39$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Sep 28, 2026.

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Nearby

Civitas Permian Operating, LLC in Glasscock County

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