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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

33,183mcf gas, last 12 months+93% vs prior year
Operator
Apache Corporation
County
Winkler County
Field
Phantom (Wolfcamp)
RRC lease
08-300363

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Where it sits

This county

Winkler CountyWinklerAndrewsWardLovingEctorWinkler County
Winkler County
Oil, last 12 months
15,576 bbl
Gas in Jul 2026
2,373 mcf

Checks stopped on this lease?

  • Sales

    Sales over the last 3 months fell to 24% of the 9 months before.

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 rose 93% over the last 12 months

  • Gas (bars)
  • Oil (line)
  • Last 12 months
Gas output rose 93% over the last 12 monthsMonthly gas production and oil for UL 20 FLATHEAD, Aug 2023 to Jul 2026. Gas output rose 93% over the last 12 months. 33,183 mcf in the 12 months through Jul 2026, against 17,157 mcf in the 12 months before.Last 12 months: 33,183 mcfmcf per monthbbl per month002,0001,0004,0002,0006,0003,0008,0004,000Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Gas output rose 93% over the last 12 monthsMonthly gas production and oil for UL 20 FLATHEAD, Aug 2023 to Jul 2026. Gas output rose 93% over the last 12 months. 33,183 mcf in the 12 months through Jul 2026, against 17,157 mcf in the 12 months before.Last 12 monthsmcf per monthbbl per month002,0001,0004,0002,0006,0003,0008,0004,000Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

Where the gas went

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

Flaring peaked at 30.1% of the gas in Dec 2025.

  • Processing plant (3)
  • Transmission line (2)
  • Lease fuel (1)
  • Flared (4)
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of UL 20 FLATHEAD gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 30.1% of the gas in Dec 2025.Share of the lease’s gas by disposition code, per month0%50%100%Jul 2026: fuel to lineFlared 30.1%Oct 23Jan 24AprJulOctJan 25AprJulOctJan 26AprJul
Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuelShare of UL 20 FLATHEAD gas by disposition code each month, Aug 2023 to Jul 2026. Since Jul 2026 the lease's gas goes to a transmission line instead of lease fuel. Flaring peaked at 30.1% of the gas in Dec 2025.Share of gas by disposition code0%50%100%Jul 26: fuel to lineFlared 30.1%Jan 24JulJan 25JulJan 26Jul

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

  • Transmission line (2)

    95% · 31,597 mcf

  • Flared (4)

    4.3% · 1,414 mcf

  • Lease fuel (1)

    0.5% · 172 mcf

4.3% of the gas flared in the last 12 months. One month 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
42-495-34619B003H640.70

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 20261,4021,3752,3732,3720$80.46$2.89
Jun 2026408416100$84.81$3.15
May 2026800802100$102.13$2.94
Apr 20261,1361,146100$100.32$2.77
Mar 20269619455725710$91.38$3.04
Feb 20269819895,9855,9840$64.51$3.62
Jan 20267827875,3585,3570$60.04$7.72
Dec 20259539534,7033,2881,414$57.97$4.26
Nov 20251,9072,0795,1115,0900$60.06$3.79
Oct 20251,4611,5024,8504,7610$60.89$3.19
Sep 20252,1802,1872,1912,1380$63.96$2.97
Aug 20252,6052,7142,0372,0360$64.86$2.91
Jul 20251,7171,828000$68.39$3.20
Jun 20251,8801,721000$68.17$3.02
May 20251,2911,167100$62.17$3.12
Apr 2025009000$63.54$3.42
Mar 20251,6311,65366800$68.24$4.12
Feb 20251,5751,59470400$71.53$4.19
Jan 20251,7961,72566900$75.74$4.13
Dec 20242,0752,08275400$70.12$3.01
Nov 20241,6761,81767600$69.95$2.12
Oct 20242,5122,3154,0123,9420$71.99$2.20
Sep 20241,8681,8024,3994,3880$70.24$2.28
Aug 20248338855,1845,1550$76.68$1.99
Jul 20241,8421,9374,0143,5250$81.80$2.07
Jun 20242,1212,0553,3512,8550$79.77$2.54
May 202400000$80.02$2.12
Apr 202400000$85.35$1.60
Mar 20241,4431,5626896815$81.28$1.49
Feb 20242,8042,6772,4752,39170$77.25$1.72
Jan 20243,0363,0993,3083,22067$74.15$3.18
Dec 20233,0723,0223,9313,85554$71.90$2.52
Nov 20232,9802,9494,0163,9990$77.69$2.71
Oct 20232,9903,0434,0414,0240$85.64$2.98
Sep 20233,2483,2324,6154,6050$89.43$2.64
Aug 20233,5923,6325,0765,03528$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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