← Wells

42-461-43749

Horizontal

THOMASON-HALFF 8B

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

Permits

1

Max Depth

10,492 ft

First Permit

2026-10-05

Latest Activity

2026-10-05

Lifespan

< 1 yr

Regulatory Status

Schedule

—

Completion

—

Shut-In

—

Plugged

—

Formation Tops

No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. The nearest completed wells below show what to expect at this location.

Check this well's filings at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported — this well has no filings of its own yet.

Cross-section
✓ 42-461-40062 K-BIRD 8 · PARSLEY ENERGY OPERATIONS, LLC
0.2 mi
San Andres 4,100'Spraberry 6,500'Wolfcamp 8,291'Grayburg —Yates —Fusselman —Ellenburger —Strawn —Devonian —
✓ 42-383-40358 WELCH TRUST 8-7-E · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 3,670'Clear Fork 5,853'Spraberry 6,754'Dean 8,155'Wolfcamp 8,338'Ellenburger —Fusselman —Queen —Strawn —Grayburg —
✓ 42-383-40357 WELCH TRUST 8-7-E · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 3,673'Clear Fork 5,854'Spraberry 6,756'Dean 8,148'Wolfcamp 8,332'Fusselman —Queen —Ellenburger —Strawn —Grayburg —
✓ 42-383-40359 WELCH TRUST 8-7-E · PARSLEY ENERGY OPERATIONS, LLC
0.3 mi
San Andres 3,675'Clear Fork 5,855'Spraberry 6,756'Dean 8,151'Wolfcamp 8,332'Grayburg —Queen —Ellenburger —Strawn —Fusselman —
✓ 42-461-40803 GREATHOUSE 13-12 A · ENDEAVOR ENERGY RESOURCES L.P.
0.8 mi
Yates 1,000'Grayburg 3,806'San Andres 4,392'Spraberry 5,809'Wolfcamp 8,347'Wolfcamp 8,349'Fusselman —Strawn —Devonian —Ellenburger —
✓ 42-461-40817 GREATHOUSE 13-14 C · ENDEAVOR ENERGY RESOURCES L.P.
0.8 mi
Yates 1,000'Grayburg 3,806'San Andres 4,392'Spraberry 6,790'Wolfcamp 8,347'Strawn —Devonian —Ellenburger —Fusselman —
✓ 42-461-40804 GREATHOUSE 13-12 D · ENDEAVOR ENERGY RESOURCES L.P.
0.8 mi
Yates 1,000'Grayburg 3,608'San Andres 4,392'Spraberry 6,790'Wolfcamp 8,347'Fusselman —Strawn —Devonian —Ellenburger —
✓ 42-461-40855 GREATHOUSE 13-12 D · ENDEAVOR ENERGY RESOURCES L.P.
0.8 mi
Yates 1,000'Grayburg 3,806'San Andres 4,392'Spraberry 6,790'Wolfcamp 8,347'Devonian —Strawn —Ellenburger —Fusselman —

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).

Permit History (1)

#918269 Drill

THOMASON-HALFF 8B · 10,492 ft

2026-10-05

Applications (1)

#918269 A PIONEER NATURAL RES. USA, INC.
received 2026-08-28

Records & Logs

No W-2/G-1 filings on record in the RRC wellbore file for this well.

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 31.452034
Lon -101.776518

Well Details

Well Number
1002H
Max Depth
10,492 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
15,602