42-173-39133

PRODUCING Horizontal

STONE-LLOYD E40H

GLASSCOCK County · District 8 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,015 ft

First Permit

2024-05-23

Latest Activity

2024-05-23

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-06-12

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-06

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 2,609 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 952 ft+1,657 ft
RUSTLER 1,272 ft+1,337 ft
YATES 2,046 ft+563 ft
SEVEN RIVERS 2,257 ft+352 ft
QUEEN 2,865 ft-256 ft
GRAYBURG 3,340 ft-731 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,574 ft-965 ft
CLEARFORK (Clear Fork)5,614 ft-3,005 ft
SPRABERRY 6,676 ft-4,067 ft
GLORIETA

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
42-173-39132 STONE-WINSLOW E40G · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 952'Rustler 1,273'Yates 2,045'Seven Rivers 2,264'Queen 2,861'Grayburg 3,341'San Andres 3,572'Clear Fork 5,633'Spraberry 6,694'Glorieta
42-173-39131 STONE-WINSLOW E40F · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 1,152'Rustler 1,274'Yates 2,049'Seven Rivers 2,265'Queen 2,869'Grayburg 3,345'San Andres 3,576'Clear Fork 5,656'Spraberry 6,708'Glorieta
42-173-38603 STONE-ROBB E45E · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 972'Rustler 1,192'Yates 2,052'Seven Rivers 2,264'Queen 2,874'Grayburg 3,351'San Andres 3,576'Clear Fork 5,626'Spraberry 6,678'Glorieta
42-173-38362 STONE-ROBB E45C · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 972'Rustler 1,192'Yates 2,054'Seven Rivers 2,258'Queen 2,870'Grayburg 3,355'San Andres 3,573'Clear Fork 5,644'Spraberry 6,702'Glorieta
42-173-38602 STONE-ROBB E45D · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 972'Rustler 1,277'Yates 2,050'Seven Rivers 2,258'Queen 2,876'Grayburg 3,354'San Andres 3,578'Clear Fork 5,635'Spraberry 6,689'Glorieta
42-173-38361 STONE-ROBB E45B · PIONEER NATURAL RES. USA, INC.
0.0 mi
Santa Rosa 972'Rustler 1,277'Yates 2,050'Seven Rivers 2,259'Queen 2,874'Grayburg 3,357'San Andres 3,571'Clear Fork 5,661'Spraberry 6,718'Glorieta
42-173-38360 STONE-ROBB E45A · PIONEER NATURAL RES. USA, INC.
0.1 mi
Santa Rosa 972'Rustler 1,277'Yates 2,047'Seven Rivers 2,256'Seven Rivers 2,260'Queen 2,870'Grayburg 3,352'San Andres 3,566'Clear Fork 5,670'Spraberry 6,729'Glorieta
42-173-38254 STONE-GIST W45J · PIONEER NATURAL RES. USA, INC.
0.5 mi
Santa Rosa 774'Yates 2,070'Seven Rivers 2,293'Queen 2,921'Grayburg 3,297'San Andres 3,607'Clear Fork 5,699'Spraberry 6,751'Yates 22,070'Wichita-Albany Glorieta

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
8,406–26,605 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,165 ft1,400 sx
9.625"5,009 ft1,460 sx
5.5"26,630 ft1,495 sx

Permit History (2)

Applications (2)

#899860 A PIONEER NATURAL RES. USA, INC.
received 2024-08-23
#899860 A PIONEER NATURAL RES. USA, INC.
received 2024-05-20

Records & Logs

1 completion filing on record.

W-2/G-1 2025-08-15

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 32.087027
Lon -101.705114

Well Details

Well Number
8H
Max Depth
10,015 ft
Drill Type
Horizontal
County
GLASSCOCK
District
8
Completed
2025-06-12

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