Skip to content
Royalty Clerk

Texas oil lease

Producing

DOLORES

Dolores is an oil lease in Upton County, Texas, operated by Firebird Energy II LLC in the Spraberry (Trend Area) field.

2 wells

1,268bbl oil, last 12 months−5% vs prior year
RRC lease
7C-17554

Is your check right?

Check my statement

Where it sits

This county

Upton CountyUptonMidlandCraneGlasscockReaganEctorUpton County
Upton County
Gas, last 12 months
22,290 mcf
Oil in Jul 2026
125 bbl

Production by month

Oil output fell 5% over the last 12 months

  • Oil (bars)
  • Gas (line)
  • Last 12 months
Oil output fell 5% over the last 12 monthsMonthly oil production and gas for DOLORES, Aug 2023 to Jul 2026. Oil output fell 5% over the last 12 months. 1,268 bbl in the 12 months through Jul 2026, against 1,330 bbl in the 12 months before.Last 12 months: 1,268 bblbbl per monthmcf per month00505001001,0001501,5002002,0002502,500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Oil output fell 5% over the last 12 monthsMonthly oil production and gas for DOLORES, Aug 2023 to Jul 2026. Oil output fell 5% over the last 12 months. 1,268 bbl in the 12 months through Jul 2026, against 1,330 bbl in the 12 months before.Last 12 monthsbbl per monthmcf per month00505001001,0001501,5002002,0002502,500Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 30.2% of the gas in Jul 2026.

  • Processing plant (3)
  • Transmission line (2)
  • Flared (4)
Since Oct 2024 the lease's gas goes to a transmission line instead of a processing plantShare of DOLORES gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 30.2% of the gas in Jul 2026.Share of the lease’s gas by disposition code, per month0%50%100%Oct 2024: plant to lineFlared 30.2%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Oct 2024 the lease's gas goes to a transmission line instead of a processing plantShare of DOLORES gas by disposition code each month, Aug 2023 to Jul 2026. Since Oct 2024 the lease's gas goes to a transmission line instead of a processing plant. Flaring peaked at 30.2% of the gas in Jul 2026.Share of gas by disposition code0%50%100%Oct 24: plant to lineFlared 30.2%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    96% · 21,425 mcf

  • Flared (4)

    3.9% · 865 mcf

3.9% of the gas flared in the last 12 months. 2 months above 3%.

Who has run this lease

The operator changed once, most recently in Oct 2024

Operators of this lease over timeCog Operating LLC, Jan 2020 to Sep 2024; Firebird Energy II LLC, Oct 2024 to Jul 20262020202120222023202420252026Changed Oct 2024Cog Operating LLCJan 2020 to Sep 2024Firebird Energy II LLCOct 2024 to now
Operators of this lease over timeCog Operating LLC, Jan 2020 to Sep 2024; Firebird Energy II LLC, Oct 2024 to Jul 20262020202120222023202420252026Changed Oct 2024Cog Operating LLCJan 2020 to Sep 2024Firebird Energy II LLCOct 2024 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

2 wells on this lease

Wells on DOLORES
API numberWell no.Status
42-461-3705815Active
42-461-3793511Active

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Enterprise Crude Oil LLCOilGathers100Apr 7, 2011
Targa Midstream Services LLCCasinghead gasBuys100Apr 7, 2011
Targa Midstream Services LLCCasinghead gasGathers100Apr 7, 2011

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

639.80 acres on the newest permit

Permits for Dolores
API numberWell no.Acreson the permit
42-461-3793511639.80
42-461-3705815639.80

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

Estimate your royalty

36 months, newest first

Ledger for DOLORES
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Firebird Energy1251781,7651,232533$80.46$2.89
Jun 2026Firebird Energy7601,4851,153332$84.81$3.15
May 2026Firebird Energy961701,8481,8480$102.13$2.94
Apr 2026Firebird Energy10701,8941,8940$100.32$2.77
Mar 2026Firebird Energy1221751,9511,9510$91.38$3.04
Feb 2026Firebird Energy1281721,8581,8580$64.51$3.62
Jan 2026Firebird Energy10801,8841,8840$60.04$7.72
Dec 2025Firebird Energy1081611,8311,8310$57.97$4.26
Nov 2025Firebird Energy10601,7811,7810$60.06$3.79
Oct 2025Firebird Energy1161722,0382,0380$60.89$3.19
Sep 2025Firebird Energy791762,1872,1870$63.96$2.97
Aug 2025Firebird Energy9701,7681,7680$64.86$2.91
Jul 2025Firebird Energy1031752,0442,0440$68.39$3.20
Jun 2025Firebird Energy11202,0532,0530$68.17$3.02
May 2025Firebird Energy1091742,0072,0070$62.17$3.12
Apr 2025Firebird Energy1191721,9351,9350$63.54$3.42
Mar 2025Firebird Energy10902,0882,0880$68.24$4.12
Feb 2025Firebird Energy1241741,7651,7650$71.53$4.19
Jan 2025Firebird Energy921701,9641,94420$75.74$4.13
Dec 2024Firebird Energy12202,0532,0530$70.12$3.01
Nov 2024Firebird Energy981761,7201,7200$69.95$2.12
Oct 2024Firebird Energy1051662,0802,0800$71.99$2.20
Sep 2024Cog Operating1261551,9941,9940$70.24$2.28
Aug 2024Cog Operating11102,1922,1920$76.68$1.99
Jul 2024Cog Operating1141682,1902,1900$81.80$2.07
Jun 2024Cog Operating1001712,2932,2930$79.77$2.54
May 2024Cog Operating110173000$80.02$2.12
Apr 2024Cog Operating12002,1812,1810$85.35$1.60
Mar 2024Cog Operating1373432,3022,3020$81.28$1.49
Feb 2024Cog Operating12502,0962,0960$77.25$1.72
Jan 2024Cog Operating13702,2052,2050$74.15$3.18
Dec 2023Cog Operating1523572,2622,2620$71.90$2.52
Nov 2023Cog Operating14502,2462,2460$77.69$2.71
Oct 2023Cog Operating1443652,2952,2950$85.64$2.98
Sep 2023Cog Operating10602,1852,1850$89.43$2.64
Aug 2023Cog Operating14202,4282,4280$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.

How to check your stub against this lease

Do your checks match this lease?

Nearby

Firebird Energy II LLC in Upton County

All Firebird Energy II LLC leases →

Spraberry (Trend Area) field

All leases in this field →

Leases within 10 km

Drilling permits within 10 km