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42-329-34610

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YARBOROUGH 4

MIDLAND County · District 8 · PIONEER NATURAL RES. USA INC. · AZALEA (STRAWN)

Permits

2

Max Depth

11,700 ft

First Permit

2001-06-25

Latest Activity

2001-06-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-02-14

Shut-In

—

Plugged

—

P-5 Org Status: Active

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2002-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →

Formation Tops (6) Elevation 2,682 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,340 ft-4,658 ft
TOP LOWER SPRABERRY (Spraberry)7,940 ft-5,258 ft
TOP DEAN (Dean)8,740 ft-6,058 ft
TOP STRAWN (Strawn)10,622 ft-7,940 ft
TOP ATOKA LIME (Atoka)10,820 ft-8,138 ft
TOP ATOKA SAND (Atoka)11,215 ft-8,533 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (1)

IntervalType
10,630–10,784 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"390 ft375 sx
9.625"5,122 ft1,539 sx
7"10,000 ft880 sx

Permit History (2)

#510533 Drill

YARBOROUGH 4 · 11,700 ft

2001-06-25

Spud 2001-07-05

#510533 Drill Final Completion

YARBOROUGH 4 · 11,700 ft

2001-06-25

Applications (2)

#510533 A PIONEER NATURAL RES. USA, INC.
received 2001-11-08
#510533 A PIONEER NATURAL RES. USA, INC.
received 2001-06-20

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 2024-02-21
W-2/G-1 2001-02-15 log on file
W-2/G-1 2002-03-01
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in MIDLAND County.

Well Details

Well Number
1
Max Depth
11,700 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
2024-02-14

Operator

Location
Y SPRING
P-5 Status
Active (filed 2025-08-01)
Cum Oil (all leases)
1,771,882,421 bbl
Cum Gas (all leases)
1,763,727,021 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
15,423