42-003-47210

PRODUCING Horizontal

UNIVERSITY 7-43

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

Permits

1

Max Depth

11,675 ft

First Permit

2015-08-07

Latest Activity

2015-08-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2016-04-17

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2010-07

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 2,944 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,123 ft-179 ft
QUEEN 4,059 ft-1,115 ft
GRAYBURG 4,554 ft-1,610 ft
SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres)4,758 ft-1,814 ft
CLEARFORK (Clear Fork)6,804 ft-3,860 ft
GLORIETA
HOLT
PERMIAN DETRITAL (Permian (undifferentiated))
SEVEN RIVERS
TUBB

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 ↗

Perforations (1)

IntervalType
9,856–19,689 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,998 ft1,716 sx
9.625"6,050 ft1,145 sx
5.5"19,827 ft1,974 sx

Permit History (1)

Applications (1)

#809073 A PIONEER NATURAL RES. USA, INC.
received 2015-08-03

Records & Logs

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

W-2/G-1 2016-06-01 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.

No GPS coordinates yet

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

Well Details

Well Number
31H
Max Depth
11,675 ft
Drill Type
Horizontal
County
ANDREWS
District
8
Completed
2016-04-17

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