Texas oil lease

Shut in

UL YELLOWTAIL B 21-29-17

Name: UL YELLOWTAIL B 21-29-17 monthly oil and gas production, Winkler County, Texas
Creator: Texas Railroad Commission

Ul Yellowtail B 21-29-17 is an oil lease in Winkler County, Texas, operated by Apache Corporation in the Phantom (Wolfcamp) field.

Oil lease dossier

0bbl oil, last 12 months

Operator: Apache Corporation
County: Winkler County
Field: Phantom (Wolfcamp)
RRC lease: 08-56749

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Where it sits

This county

Winkler County

Oil in Jul 2026: 0 bbl
Reporting since: Feb 2022

Checks stopped on this lease?

Sales
No sales reported for the last 12 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

No production to chart

The state shows zero oil and zero gas for all 36 months we hold (Aug 2023 to Jul 2026). A lease that is shut in or newly reported looks like this. The ledger below lists each month.

Where the gas went

No gas disposition reported for this lease

The operator has not reported where the gas went in the months we hold.

Who has run this lease

The operator changed 2 times, most recently in Aug 2024

Apache Corporation Aug 2024 to now
Callon Permian II, LLC Aug 2023 to Jul 2024
Percussion Petroleum Oper Ii,llc Feb 2022 to Jul 2023

SourceTexas Railroad Commission Production Data Query, through Jul 2026.

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
Company	Product	Role	Share%	From	Until
Energy Transfer Company	Oil	Gathers	100	Sep 1, 2025	–
Targa Delaware LLC	Casinghead gas	Buys	100	Feb 1, 2022	–
Targa Delaware LLC	Casinghead gas	Gathers	100	Feb 1, 2022	–
Oryx Delaware Oil Transport LLC	Oil	Gathers	100	Feb 1, 2022	Sep 1, 2025

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

Who buys my oil Oil price check

1,281.40 acres on the newest permit

Worth asking
A production sharing agreement well is on this lease
A production sharing agreement divides production by a method the agreement sets. Ask the operator for the agreement and the tract percentage it gives your land.
Worth asking
A Rule 37 case is listed
The RRC permit records list a Rule 37 case. This does not establish your royalty share. Ask for the permit and unit plat for your well.

Check your decimal on this lease

Permits for Ul Yellowtail B 21-29-17
API number	Well no.	Permit issued	Completed	Acreson the permit	Type
42-495-33952	2H	Oct 30, 2017	Sep 21, 2018	1,281.40	Horizontal, PSA

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
Quarter	Oil$ per bbl	Gas$ per mcf	Gas liquids$ per bbl	Filing
Q2 2026	$98.24	$0.60	$25.41	SEC filing
Q1 2026	$78.69	$2.12	$20.96	SEC filing
Q4 2025	$61.03	$2.10	$20.95	SEC filing
Q3 2025	$67.43	$2.25	$20.65	SEC filing
Q2 2025	$65.58	$2.28	$20.49	SEC filing
Q1 2025	$73.73	$2.81	$28.75	SEC filing

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

Estimate your royalty

36 months, newest first

Ledger for UL YELLOWTAIL B 21-29-17
Month	Operator	WTI$/bbl	Henry Hub$/MMBtu
Jul 2026Apache Corporation	Apache Corporation	$80.46	$2.89
Jun 2026Apache Corporation	Apache Corporation	$84.81	$3.15
May 2026Apache Corporation	Apache Corporation	$102.13	$2.94
Apr 2026Apache Corporation	Apache Corporation	$100.32	$2.77
Mar 2026Apache Corporation	Apache Corporation	$91.38	$3.04
Feb 2026Apache Corporation	Apache Corporation	$64.51	$3.62
Jan 2026Apache Corporation	Apache Corporation	$60.04	$7.72
Dec 2025Apache Corporation	Apache Corporation	$57.97	$4.26
Nov 2025Apache Corporation	Apache Corporation	$60.06	$3.79
Oct 2025Apache Corporation	Apache Corporation	$60.89	$3.19
Sep 2025Apache Corporation	Apache Corporation	$63.96	$2.97
Aug 2025Apache Corporation	Apache Corporation	$64.86	$2.91
Jul 2025Apache Corporation	Apache Corporation	$68.39	$3.20
Jun 2025Apache Corporation	Apache Corporation	$68.17	$3.02
May 2025Apache Corporation	Apache Corporation	$62.17	$3.12
Apr 2025Apache Corporation	Apache Corporation	$63.54	$3.42
Mar 2025Apache Corporation	Apache Corporation	$68.24	$4.12
Feb 2025Apache Corporation	Apache Corporation	$71.53	$4.19
Jan 2025Apache Corporation	Apache Corporation	$75.74	$4.13
Dec 2024Apache Corporation	Apache Corporation	$70.12	$3.01
Nov 2024Apache Corporation	Apache Corporation	$69.95	$2.12
Oct 2024Apache Corporation	Apache Corporation	$71.99	$2.20
Sep 2024Apache Corporation	Apache Corporation	$70.24	$2.28
Aug 2024Apache Corporation	Apache Corporation	$76.68	$1.99
Jul 2024Callon Permian	Callon Permian II, LLC	$81.80	$2.07
Jun 2024Callon Permian	Callon Permian II, LLC	$79.77	$2.54
May 2024Callon Permian	Callon Permian II, LLC	$80.02	$2.12
Apr 2024Callon Permian	Callon Permian II, LLC	$85.35	$1.60
Mar 2024Callon Permian	Callon Permian II, LLC	$81.28	$1.49
Feb 2024Callon Permian	Callon Permian II, LLC	$77.25	$1.72
Jan 2024Callon Permian	Callon Permian II, LLC	$74.15	$3.18
Dec 2023Callon Permian	Callon Permian II, LLC	$71.90	$2.52
Nov 2023Callon Permian	Callon Permian II, LLC	$77.69	$2.71
Oct 2023Callon Permian	Callon Permian II, LLC	$85.64	$2.98
Sep 2023Callon Permian	Callon Permian II, LLC	$89.43	$2.64
Aug 2023Callon Permian	Callon Permian II, LLC	$81.39	$2.58

SourceTexas Railroad Commission Production Data Query, through Jul 2026. Prices: EIA, through Aug 2026. Updated Oct 2, 2026.

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