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Royalty Clerk

Texas gas well

Producing

UL 20 FLATHEAD

Ul 20 Flathead is a gas well in Winkler County, Texas, operated by Apache Corporation in the Phantom (Wolfcamp) field.

Gas well dossier

3,159mcf gas, last 12 months−67% vs prior year
Operator
Apache Corporation
County
Winkler County
Field
Phantom (Wolfcamp)
RRC lease
08-300113

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Oil, last 12 months
7,346 bbl
Gas in Jul 2026
1 mcf

Checks stopped on this lease?

  • Sales

    No sales reported for the last 4 months of state data (through Jul 2026).

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

See why checks stop on this lease

Production by month

Gas output fell 67% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output fell 67% over the last 12 monthsMonthly gas production and oil for UL 20 FLATHEAD, Aug 2023 to Jul 2026. Gas output fell 67% over the last 12 months. 3,159 mcf in the 12 months through Jul 2026, against 9,577 mcf in the 12 months before.Last 12 months: 3,159 mcfmcf per monthbbl per month001,0001,0002,0002,0003,0003,0004,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output fell 67% over the last 12 monthsMonthly gas production and oil for UL 20 FLATHEAD, Aug 2023 to Jul 2026. Gas output fell 67% over the last 12 months. 3,159 mcf in the 12 months through Jul 2026, against 9,577 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month001,0001,0002,0002,0003,0003,0004,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission line

Flaring peaked at 17.9% of the gas in Dec 2025.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of UL 20 FLATHEAD gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 17.9% of the gas in Dec 2025.Share of the lease’s gas by disposition code, per month0%50%100%Apr 2026: line to fuelFlared 17.9%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission lineShare of UL 20 FLATHEAD gas by disposition code each month, Aug 2023 to Jul 2026. Since Apr 2026 the lease's gas goes to lease fuel instead of a transmission line. Flaring peaked at 17.9% of the gas in Dec 2025.Share of gas by disposition code0%50%100%Apr 26: line to fuelFlared 17.9%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 3,014 mcf

  • Flared (4)

    2.7% · 85 mcf

  • Lease fuel (1)

    1.9% · 60 mcf

2.7% of the gas flared in the last 12 months. 2 months above 3%.

Wells on this lease

No wells are linked to this lease in our data

Production is still reported at lease level.

Buyers and gatherers

Companies named on the Form P-4, by product
CompanyProductRoleShare%From
Energy Transfer CompanyCondensateGathers50Feb 1, 2022
Rio Energy International, Inc.CondensateGathers50Feb 1, 2022
Brazos Midstream Operating, LLCGas-well gasBuys100Feb 1, 2022
Brazos Midstream Operating, LLCGas-well gasGathers100Feb 1, 2022

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

Who buys my oilOil price check

640.70 acres on the newest permit

Check your decimal on this lease
Permits for Ul 20 Flathead
API numberWell no.Acreson the permit
42-495-34620A004H640.70

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

Unit decimal checker

What APA Corporation told investors it received

Apache Corporation is linked to APA Corporation (APA).
Realized prices reported by APA Corporation
QuarterOil$ per bblFiling
Q2 2026$98.24SEC filing
Q1 2026$78.69SEC filing
Q4 2025$61.03SEC filing
Q3 2025$67.43SEC filing
Q2 2025$65.58SEC filing
Q1 2025$73.73SEC filing

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

Estimate your royalty

36 months, newest first

Ledger for UL 20 FLATHEAD
MonthOil producedbblOil soldbblGas producedmcfGas soldmcf, codes 2+3FlaredmcfWTI$/bblHenry Hub$/MMBtu
Jul 2026104104100$80.46$2.89
Jun 2026114119100$84.81$3.15
May 2026411411100$102.13$2.94
Apr 2026497497100$100.32$2.77
Mar 20262572561111100$91.38$3.04
Feb 20265905975875860$64.51$3.62
Jan 20265445432922910$60.04$7.72
Dec 202548348347538985$57.97$4.26
Nov 20259421,0468548520$60.06$3.79
Oct 20258688824000$60.89$3.19
Sep 20251,1991,194900$63.96$2.97
Aug 20251,3371,5707877860$64.86$2.91
Jul 20251,7451,6346946940$68.39$3.20
Jun 20251,0021,0931,1601,1600$68.17$3.02
May 20251,4361,236100$62.17$3.12
Apr 202500200$63.54$3.42
Mar 20251,2541,25613900$68.24$4.12
Feb 20251,0961,08314800$71.53$4.19
Jan 20251,0281,01618800$75.74$4.13
Dec 20241,5891,57515000$70.12$3.01
Nov 20241,0711,15933100$69.95$2.12
Oct 20241,5901,4991,2201,1800$71.99$2.20
Sep 20241,8051,8172,4042,3980$70.24$2.28
Aug 20242,6132,6173,1403,1230$76.68$1.99
Jul 20242,4182,5387206320$81.80$2.07
Jun 20242,8342,7428076880$79.77$2.54
May 20241,5361,5041,5131,49813$80.02$2.12
Apr 20242,0922,1132,0091,98321$85.35$1.60
Mar 20246386746496415$81.28$1.49
Feb 2024251029281$77.25$1.72
Jan 2024941141112$74.15$3.18
Dec 2023811511482$71.90$2.52
Nov 2023001961950$77.69$2.71
Oct 202322111261250$85.64$2.98
Sep 20230091910$89.43$2.64
Aug 2023392524240$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

OperatorApache CorporationFieldPhantom (Wolfcamp)CountyWinkler County

Apache Corporation in Winkler County

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Phantom (Wolfcamp) field

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