← Wells

42-461-43366

Horizontal

WINDHAM 17F

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

Permits

1

Max Depth

10,955 ft

First Permit

2025-12-02

Latest Activity

2025-12-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Formation Tops (10) Elevation 2,830 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,612 ft+218 ft
GRAYBURG 4,314 ft-1,484 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,584 ft-1,754 ft
CLEARFORK (Clear Fork)6,685 ft-3,855 ft
SPRABERRY 7,561 ft-4,731 ft
WOLFCAMP 9,108 ft-6,278 ft
DEVONIAN ——
ELLENBURGER ——
FUSSELMAN ——
STRAWN ——

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
✓ 42-461-43361 WINDHAM 17A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,624'Grayburg 4,315'San Andres 4,576'Spraberry 7,557'Dean 8,924'Wolfcamp 9,108'Fusselman —Devonian —Strawn —Ellenburger —
✓ 42-461-40788 ROBBIE 17A-8-G · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,528'Clear Fork 6,672'Spraberry 7,549'Ellenburger —Fusselman —Devonian —Wolfcamp —Strawn —Grayburg —Yates —
✓ 42-461-40789 ROBBIE 17A-8-F · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,526'Clear Fork 6,674'Spraberry 7,540'Fusselman —Ellenburger —Devonian —Wolfcamp —Strawn —Grayburg —Yates —
✓ 42-461-40785 ROBBIE 17A-8 · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,526'Clear Fork 6,665'Spraberry 7,548'Strawn —Grayburg —Yates —Fusselman —Wolfcamp —Ellenburger —Devonian —
✓ 42-461-40340 SKAGGS 8 · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,542'Clear Fork 6,654'Spraberry 7,500'Wolfcamp 9,096'Devonian —Strawn —Grayburg —Yates —Fusselman —Ellenburger —
✓ 42-461-40339 SKAGGS 8 · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,542'Clear Fork 6,654'Spraberry 7,500'Dean 8,907'Wolfcamp 9,096'Fusselman —Devonian —Strawn —Grayburg —Yates —
✓ 42-461-40341 SKAGGS 8 · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,542'Clear Fork 6,654'Spraberry 7,500'Wolfcamp 9,096'Fusselman —Ellenburger —Devonian —Strawn —Grayburg —Yates —
✓ 42-461-40971 ELLIE 20-29-D · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 4,598'Clear Fork 6,686'Spraberry 7,566'Wolfcamp 9,123'Strawn —Ellenburger —Devonian —Yates —Fusselman —Grayburg —

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"1,448 ft1,515 sx
9.625"5,983 ft2,240 sx
5.5"25,719 ft1,700 sx

Permit History (1)

#911459 Drill

WINDHAM 17F · 10,955 ft

2025-12-02

Spud 2026-01-06

Applications (1)

#911459 A PIONEER NATURAL RES. USA, INC.
received 2025-10-29

Records & Logs

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

W-2/G-1 2026-08-11 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 31.598169
Lon -101.993895

Well Details

Well Number
206H
Max Depth
10,955 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