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Texas gas well

Producing

SENTINEL STATE 55-28 UNIT

Sentinel State 55-28 Unit is a gas well in Reeves County, Texas, operated by Coterra Energy Operating Co. in the Phantom (Wolfcamp) field.

1 well

242,236mcf gas, last 12 months−34% vs prior year
Operator
Coterra Energy Operating Co.
County
Reeves County
Field
Phantom (Wolfcamp)
RRC lease
08-286409

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Where it sits

This county

Reeves CountyReevesWinklerWardLovingReeves County
Reeves County
Oil, last 12 months
2,775 bbl
Gas in Jul 2026
16,683 mcf

Checks stopped on this lease?

  • Operator

    Operator changed: Coterra Energy Operating Co. took over from Cimarex Energy Co. in Nov 2025.

  • P-5

    The previous operator's P-5 registration is listed as delinquent (last P-5 filed Jul 8, 2025).

  • Buyer

    Buyer changed: COTERRA ENERGY OPERATING CO. replaced CIMAREX ENERGY CO. as the buyer of this lease's gas from gas wells on Jan 1, 2026.

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

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Production by month

Gas output fell 34% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 34% over the last 12 monthsMonthly gas production and oil for SENTINEL STATE 55-28 UNIT, Aug 2023 to Jul 2026. Gas output fell 34% over the last 12 months. 242,236 mcf in the 12 months through Jul 2026, against 366,637 mcf in the 12 months before.Last 12 months: 242,236 mcfmcf per monthbbl per month0010k10020k20030k30040k40050k500Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 34% over the last 12 monthsMonthly gas production and oil for SENTINEL STATE 55-28 UNIT, Aug 2023 to Jul 2026. Gas output fell 34% over the last 12 months. 242,236 mcf in the 12 months through Jul 2026, against 366,637 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month0010k10020k20030k30040k40050k500Jan 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

Flaring peaked at 7.4% of the gas in Aug 2023.

  • Processing plant (3)
  • Lease fuel (1)
  • Flared (4)
All of the gas went to a processing plant in the last 12 monthsShare of SENTINEL STATE 55-28 UNIT 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. Flaring peaked at 7.4% of the gas in Aug 2023.Share of the lease’s gas by disposition code, per month0%50%100%Flared 7.4%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
All of the gas went to a processing plant in the last 12 monthsShare of SENTINEL STATE 55-28 UNIT 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. Flaring peaked at 7.4% of the gas in Aug 2023.Share of gas by disposition code0%50%100%Flared 7.4%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Processing plant (3)

    100% · 242,234 mcf

  • Lease fuel (1)

    0.0% · 2 mcf

Who has run this lease

The operator changed once, most recently in Nov 2025

Operators of this lease over timeCimarex Energy Co., Jan 2020 to Oct 2025; Coterra Energy Operating Co., Nov 2025 to Jul 20262020202120222023202420252026Changed Nov 2025Cimarex Energy Co.Jan 2020 to Oct 2025Coterra Energy Operating Co.Nov 2025 to now
Operators of this lease over timeCimarex Energy Co., Jan 2020 to Oct 2025; Coterra Energy Operating Co., Nov 2025 to Jul 20262020202120222023202420252026Changed Nov 2025Cimarex Energy Co.Jan 2020 to Oct 2025Coterra Energy Operating Co.Nov 2025 to now

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

1 well on this lease

Wells on SENTINEL STATE 55-28 UNIT
API numberWell no.Status
42-389-369116HActive

SourceTexas Railroad Commission Wellbore Query.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%FromUntil
Energy Transfer Marketing & TermCondensateGathers50Dec 1, 2022–
Etp Crude LLCCondensateGathers50Nov 6, 2018–
Coterra Energy Operating Co.Gas-well gasBuys100Jan 1, 2026–
Coterra Energy Operating Co.Gas-well gasGathers100Jan 1, 2026–
Cimarex Energy Co.Gas-well gasGathers100Nov 6, 2018Jan 1, 2026
Cimarex Energy Co.Gas-well gasBuys100Nov 6, 2018Jan 1, 2026
Sunoco Ptnrs. Mktg.&terminals LPCondensateGathers50Nov 6, 2018Dec 1, 2022

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

Who buys my oilOil price check

1,280 acres on the newest permit

Check your decimal on this lease
Permits for Sentinel State 55-28 Unit
API numberWell no.Acreson the permit
42-389-369116H1,280

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

Unit decimal checker

What Devon Energy Corporation told investors it received

Coterra Energy Operating Co. is linked to Devon Energy Corporation (CTRA).
Realized prices reported by Devon Energy Corporation
QuarterOil$ per bblFiling
Q2 2026$95.10SEC filing
Q1 2026$70.79SEC filing
Q3 2025$64.10SEC filing
Q2 2025$62.80SEC filing
Q1 2025$69.73SEC filing
Q3 2024$74.04SEC filing

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

Estimate your royalty

36 months, newest first

Ledger for SENTINEL STATE 55-28 UNIT
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026Coterra Energy26926816,68316,6830$80.46$2.89
Jun 2026Coterra Energy26826714,35114,3490$84.81$3.15
May 2026Coterra Energy29329616,42616,4260$102.13$2.94
Apr 2026Coterra Energy31631317,18117,1810$100.32$2.77
Mar 2026Coterra Energy34634312,78512,7850$91.38$3.04
Feb 2026Coterra Energy1071084,5874,5870$64.51$3.62
Jan 2026Coterra Energy12212315,72815,7280$60.04$7.72
Dec 2025Coterra Energy24724727,54627,5460$57.97$4.26
Nov 2025Coterra Energy20420326,71326,7130$60.06$3.79
Oct 2025Cimarex Energy17717628,68728,6870$60.89$3.19
Sep 2025Cimarex Energy15415729,23329,2330$63.96$2.97
Aug 2025Cimarex Energy27227332,31632,3160$64.86$2.91
Jul 2025Cimarex Energy34934834,54934,5490$68.39$3.20
Jun 2025Cimarex Energy23123129,89729,8943$68.17$3.02
May 2025Cimarex Energy34334231,78131,7801$62.17$3.12
Apr 2025Cimarex Energy40540332,87732,83443$63.54$3.42
Mar 2025Cimarex Energy19920420,12720,1261$68.24$4.12
Feb 2025Cimarex Energy27527228,43628,4360$71.53$4.19
Jan 2025Cimarex Energy35235033,02233,0220$75.74$4.13
Dec 2024Cimarex Energy32032132,18432,1800$70.12$3.01
Nov 2024Cimarex Energy33133232,65632,6560$69.95$2.12
Oct 2024Cimarex Energy41341231,69331,6910$71.99$2.20
Sep 2024Cimarex Energy32032133,09033,0900$70.24$2.28
Aug 2024Cimarex Energy41441526,32526,3250$76.68$1.99
Jul 2024Cimarex Energy32732931,46631,4650$81.80$2.07
Jun 2024Cimarex Energy45545128,11328,1130$79.77$2.54
May 2024Cimarex Energy37537521,84121,8410$80.02$2.12
Apr 2024Cimarex Energy25825822,78322,7820$85.35$1.60
Mar 2024Cimarex Energy31431420,83920,8390$81.28$1.49
Feb 2024Cimarex Energy31531516,89616,8960$77.25$1.72
Jan 2024Cimarex Energy25925815,38215,3440$74.15$3.18
Dec 2023Cimarex Energy31931917,39217,3920$71.90$2.52
Nov 2023Cimarex Energy35135114,78514,7850$77.69$2.71
Oct 2023Cimarex Energy35935910,96010,9600$85.64$2.98
Sep 2023Cimarex Energy4044036,2256,2241$89.43$2.64
Aug 2023Cimarex Energy35124422618$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

OperatorCoterra Energy Operating Co.FieldPhantom (Wolfcamp)CountyReeves County

Coterra Energy Operating Co. in Reeves County

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Phantom (Wolfcamp) field

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