← Wells

42-461-43577

Horizontal

NORTH PEMBROOK SPRABERRY UNIT

UPTON County · District 9 · PIONEER NATURAL RES. USA, INC.

Permits

1

Max Depth

8,625 ft

First Permit

2026-04-02

Latest Activity

2026-04-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Formation Tops (10) Elevation 2,775 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,414 ft+361 ft
GRAYBURG 4,077 ft-1,302 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,281 ft-1,506 ft
CLEARFORK (Clear Fork)6,371 ft-3,596 ft
SPRABERRY 7,228 ft-4,453 ft
DEVONIAN ——
ELLENBURGER ——
FUSSELMAN ——
STRAWN ——
WOLFCAMP ——

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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-461-43578 NORTH PEMBROOK SPRABERRY UNIT · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,414'Grayburg 4,086'San Andres 4,292'Clear Fork 6,373'Spraberry 7,239'Wolfcamp —Ellenburger —Devonian —Strawn —Fusselman —
✓ 42-461-40721 BROOK N-4 · PIONEER NATURAL RES. USA, INC.
1.0 mi
Yates 2,435'Grayburg 4,203'San Andres 4,413'Devonian —Wolfcamp —Strawn —Spraberry —Ellenburger —Fusselman —
✓ 42-461-40669 BROOK N-13R · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,410'Grayburg 4,115'San Andres 4,279'Spraberry 7,211'Wolfcamp 8,779'Strawn —Fusselman —Devonian —Ellenburger —
✓ 42-461-40668 BROOK N-13Q · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,410'Grayburg 4,117'San Andres 4,291'Spraberry 7,223'Wolfcamp 8,786'Strawn —Devonian —Ellenburger —Fusselman —
✓ 42-461-40667 BROOK N-13P · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,435'Grayburg 4,108'San Andres 4,311'Spraberry 7,231'Wolfcamp 8,790'Strawn —Fusselman —Ellenburger —Devonian —
✓ 42-461-41194 BROOK N-13R · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,414'Grayburg 4,186'San Andres 4,321'Spraberry 7,215'Dean 8,591'Wolfcamp 8,782'Devonian —Ellenburger —Strawn —Fusselman —
✓ 42-461-41196 BROOK N-13Q · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,413'Grayburg 4,196'San Andres 4,326'Spraberry 7,219'Dean 8,599'Wolfcamp 8,788'Fusselman —Ellenburger —Devonian —Strawn —
✓ 42-461-41197 BROOK N-13P · PIONEER NATURAL RES. USA, INC.
1.2 mi
Yates 2,417'Grayburg 4,200'San Andres 4,329'Spraberry 7,235'Wolfcamp 8,789'Strawn —Fusselman —Devonian —Ellenburger —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Casing (3)

SizeSet DepthCement
13.375"1,298 ft1,360 sx
9.625"5,632 ft1,725 sx
5.5"19,068 ft1,030 sx

Permit History (1)

#914443 Drill

NORTH PEMBROOK SPRABERRY UNIT · 8,625 ft

2026-04-02

Applications (1)

#914443 A PIONEER NATURAL RES. USA, INC.
received 2026-03-27

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2026-08-07 log on file
Completion packets + logs ↗ Wellbore filings ↗

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

Google Maps → Explorer Map →
Lat 31.525492
Lon -101.903388

Well Details

Well Number
501HU
Max Depth
8,625 ft
Drill Type
Horizontal
County
UPTON
District
9
Operator
PIONEER NATURAL RES. USA, INC.

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
15,468