42-003-46351

PRODUCING Horizontal

UNIVERSITY 7-43

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

Permits

1

Max Depth

11,250 ft

First Permit

2014-06-28

Latest Activity

2014-06-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2015-06-01

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 2,952 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 3,151 ft-199 ft
SEVEN RIVERS 3,416 ft-464 ft
QUEEN 4,080 ft-1,128 ft
GRAYBURG 4,552 ft-1,600 ft
SAN ANDRES - CO2 FLOOD, HIGH FLO (San Andres)4,732 ft-1,780 ft
HOLT 5,000 ft-2,048 ft
GLORIETA 5,857 ft-2,905 ft
TUBB 6,100 ft-3,148 ft
CLEARFORK (Clear Fork)6,805 ft-3,853 ft
PERMIAN DETRITAL (Permian (undifferentiated))7,800 ft-4,848 ft

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
9,564–19,760 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,867 ft1,021 sx
9.625"8,316 ft1,175 sx
5.5"19,894 ft1,725 sx

Permit History (1)

Applications (1)

#787460 A PIONEER NATURAL RES. USA, INC.
received 2014-05-20

Records & Logs

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

W-2/G-1 2015-07-31 log on file
W-2/G-1 2015-07-10 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
21H
Max Depth
11,250 ft
Drill Type
Horizontal
County
ANDREWS
District
8
Completed
2015-06-01

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