42-461-40716

SHUT IN Horizontal

HALFF 1D

UPTON County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA) R 40 EXC

Permits

1

Max Depth

10,200 ft

First Permit

2017-12-07

Latest Activity

2017-12-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-12-19

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2018-09

Last Production

2026-07

Lease Production

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

Formation Tops (9) Elevation 2,696 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,182 ft+514 ft
GRAYBURG 3,692 ft-996 ft
SAN ANDRES - SALTWATER FLOW (San Andres)3,821 ft-1,125 ft
SPRABERRY 6,744 ft-4,048 ft
WOLFCAMP 8,340 ft-5,644 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
42-461-40920 HALFF-HALL 1CC · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,140'Grayburg 3,718'San Andres 3,850'Spraberry 6,705'Wolfcamp 8,294'Ellenburger Strawn Devonian Fusselman
42-461-40717 HALFF 1E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,186'Grayburg 3,692'San Andres 3,809'Spraberry 6,727'Wolfcamp 8,322'Devonian Fusselman Ellenburger Strawn
42-461-40718 HALFF 1F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,188'Grayburg 3,664'San Andres 3,787'Spraberry 6,717'Wolfcamp 8,303'Devonian Fusselman Ellenburger Strawn
42-461-40919 HALFF-HALL 1BB · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,179'Grayburg 3,671'San Andres 3,832'Spraberry 6,729'Wolfcamp 8,321'Devonian Strawn Ellenburger Fusselman
42-461-40918 HALFF-HALL 1AA · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,180'Grayburg 3,709'San Andres 3,860'Spraberry 6,743'Wolfcamp 8,339'Devonian Fusselman Ellenburger Strawn
42-383-40114 HALFF 1P · PIONEER NATURAL RES. USA, INC.
0.6 mi
Queen 3,093'Grayburg 3,655'San Andres 3,773'Clear Fork 5,832'Spraberry Fusselman Ellenburger Strawn
42-383-40113 HALFF 1Q · PIONEER NATURAL RES. USA, INC.
0.6 mi
Queen 3,096'Grayburg 3,652'San Andres 3,776'Clear Fork 5,836'Strawn Fusselman Ellenburger Spraberry
42-383-40381 HALFF-HALL 1S · PIONEER NATURAL RES. USA, INC.
0.6 mi
Queen 3,097'Grayburg 3,709'San Andres 3,852'Clear Fork 5,836'Spraberry 6,708'Ellenburger Strawn 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, including this one).

Perforations (1)

IntervalType
9,483–19,305 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,160 ft1,105 sx
9.625"6,005 ft960 sx
5.5"19,335 ft1,225 sx

Permit History (1)

Applications (1)

#832698 A PIONEER NATURAL RES. USA, INC.
received 2017-11-02

Records & Logs

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

W-2/G-1 2026-02-17
W-2/G-1 2018-12-12 log on file
W-2/G-1 2018-12-06
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.

Lat 31.403417
Lon -101.781182

Well Details

Well Number
104H
Max Depth
10,200 ft
Drill Type
Horizontal
County
UPTON
District
7
Completed
2025-12-19

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
15,400