42-329-39556

PRODUCING

ULVESTAD

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

Permits

1

Max Depth

11,600 ft

First Permit

2014-09-29

Latest Activity

2014-09-29

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2014-12-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

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 2,806 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SANTA ROSA 900 ft+1,906 ft
SEVEN RIVERS 1,300 ft+1,506 ft
GLORIETA 2,700 ft+106 ft
YATES 2,760 ft+46 ft
QUEEN 3,864 ft-1,058 ft
GRAYBURG 4,334 ft-1,528 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,488 ft-1,682 ft
CLEARFORK (Clear Fork)6,985 ft-4,179 ft
SPRABERRY 7,839 ft-5,033 ft
SPRABERRY UPPER-DEAN (Spraberry)9,189 ft-6,383 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
8,180–10,943 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"371 ft430 sx
8.625"5,145 ft880 sx
5.5"11,175 ft880 sx

Permit History (1)

Applications (1)

#790435 A PIONEER NATURAL RES. USA, INC.
received 2014-06-26

Records & Logs

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

W-2/G-1 2015-03-02 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 MIDLAND County.

Well Details

Well Number
5
Max Depth
11,600 ft
Drill Type
Vertical
County
MIDLAND
District
8
Completed
2014-12-25

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
15,403