42-461-43261

PRODUCING Horizontal

FRIULANO-HUCKABY 31B

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

2026-02-25

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)
SANTA ROSA 664 ft+2,055 ft
YATES 2,277 ft+442 ft
GRAYBURG 3,895 ft-1,176 ft
SAN ANDRES - SALTWATER FLOW (San Andres)4,465 ft-1,746 ft
SPRABERRY 6,879 ft-4,160 ft
WOLFCAMP 8,315 ft-5,596 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
42-461-43262 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 Ellenburger Devonian Strawn
42-461-43260 FRIULANO-HUCKABY 31A · PIONEER NATURAL RES. USA, INC.
0.0 mi
Yates 2,277'Grayburg 3,902'San Andres 4,467'Clear Fork 6,066'Spraberry 6,873'Wolfcamp 8,320'Fusselman Ellenburger Devonian Strawn
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'Fusselman Ellenburger Devonian Strawn
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'Strawn Fusselman Devonian Ellenburger
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
8,957–19,227 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,165 ft1,215 sx
9.625"5,467 ft1,391 sx
5.5"19,251 ft1,110 sx

Permit History (1)

Applications (1)

#909471 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 2026-03-16 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 31.276541
Lon -101.905571

Well Details

Well Number
2H
Max Depth
9,636 ft
Drill Type
Horizontal
County
UPTON
District
9
Completed
2026-02-25

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