42-173-39411

Horizontal

BRUNSON 40L

GLASSCOCK County · District 10 · PIONEER NATURAL RES. USA, INC.

Permits

1

Max Depth

10,046 ft

First Permit

2026-01-13

Latest Activity

2026-01-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Formation Tops (10) Elevation 2,751 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 831 ft+1,920 ft
RUSTLER 1,220 ft+1,531 ft
YATES 2,068 ft+683 ft
SEVEN RIVERS 2,268 ft+483 ft
QUEEN 3,002 ft-251 ft
GRAYBURG 3,206 ft-455 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,400 ft-649 ft
CLEARFORK (Clear Fork)5,101 ft-2,350 ft
SPRABERRY 6,515 ft-3,764 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 ↗

Casing (3)

SizeSet DepthCement
13.375"1,213 ft1,300 sx
9.625"5,431 ft1,700 sx
5.5"24,305 ft1,605 sx

Permit History (1)

Applications (1)

#912239 A PIONEER NATURAL RES. USA, INC.
received 2025-12-12

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2026-06-02 log on file

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in GLASSCOCK County.

Well Details

Well Number
12H
Max Depth
10,046 ft
Drill Type
Horizontal
County
GLASSCOCK
District
10

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
15,468