42-461-43260

PRODUCING Horizontal

FRIULANO-HUCKABY 31A

UPTON County · District 9 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

1

Max Depth

9,636 ft

First Permit

2025-08-25

Latest Activity

2025-08-25

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2026-02-24

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-10

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 (10) Elevation 2,719 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,277 ft+442 ft
GRAYBURG 3,902 ft-1,183 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,467 ft-1,748 ft
CLEARFORK (Clear Fork)6,066 ft-3,347 ft
SPRABERRY 6,873 ft-4,154 ft
WOLFCAMP 8,320 ft-5,601 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
42-461-43261 FRIULANO-HUCKABY 31B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 664'Yates 2,277'Grayburg 3,895'San Andres 4,465'Spraberry 6,879'Wolfcamp 8,315'Strawn Fusselman Devonian Ellenburger
42-461-43262 FRIULANO-HUCKABY 31C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,272'Grayburg 3,895'San Andres 4,450'Clear Fork 6,052'Spraberry 6,864'Wolfcamp 8,310'Fusselman Devonian Strawn Ellenburger
42-461-43263 FRIULANO-HUCKABY 31D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,283'Grayburg 3,909'San Andres 4,446'Clear Fork 5,989'Spraberry 6,862'Wolfcamp 8,303'Strawn Devonian Ellenburger Fusselman
42-461-42710 LONGSHANKS A · TRP OPERATING LLC
0.4 mi
Yates 2,278'Grayburg 3,706'San Andres 4,432'Spraberry 6,877'Wolfcamp 8,298'Devonian Strawn Ellenburger Fusselman
42-461-42711 LONGSHANKS B · TRP OPERATING LLC
0.4 mi
Yates 2,276'Grayburg 3,706'San Andres 4,397'Spraberry 6,871'Wolfcamp 8,303'Devonian Ellenburger Fusselman Strawn
42-461-42712 LONGSHANKS B · TRP OPERATING LLC
0.4 mi
Yates 2,279'Grayburg 3,699'San Andres 4,435'Spraberry 6,873'Wolfcamp 8,297'Strawn Devonian Fusselman Ellenburger
42-461-42713 LONGSHANKS C · TRP OPERATING LLC
0.4 mi
Yates 2,275'Grayburg 3,700'San Andres 4,404'Spraberry 6,882'Wolfcamp 8,313'Fusselman Ellenburger Devonian Strawn
42-461-42714 LONGSHANKS D · TRP OPERATING LLC
0.4 mi
Yates 2,282'Grayburg 3,700'San Andres 4,415'Spraberry 6,885'Wolfcamp 8,322'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).

Perforations (1)

IntervalType
8,490–18,768 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,192 ft1,215 sx
9.625"5,490 ft1,392 sx
5.5"18,792 ft872 sx

Permit History (1)

Applications (1)

#909470 A PIONEER NATURAL RES. USA, INC.
received 2025-07-25

Records & Logs

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

W-2/G-1 2026-05-04
W-2/G-1 2026-02-27 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.

Lat 31.276540
Lon -101.905676

Well Details

Well Number
1H
Max Depth
9,636 ft
Drill Type
Horizontal
County
UPTON
District
9
Completed
2026-02-24

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
15,399