← Wells

42-461-33024

Final Completion

MIDKIFF UNIT

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

Permits

1

Max Depth

8,225 ft

First Permit

1990-04-26

Latest Activity

1990-04-26

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-06-11

Shut-In

—

Plugged

2013-04-02

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY, LTD.

Resolved via: production → PIONEER NATURAL RES. USA, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

PARKER & PARSLEY DEVELOPMENT CO. 1993-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Oil
production & DCA →

Formation Tops (2) Elevation 2,686 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)6,986 ft-4,300 ft
TOP LOWER SPRABERRY (Spraberry)7,600 ft-4,914 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 (2)

IntervalType
6,992–7,395 ftPerforated
7,608–7,973 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"400 ft250 sx
4.5"8,150 ft1,700 sx

Permit History (1)

#372429 Drill Final Completion

MIDKIFF UNIT · 8,225 ft

1990-04-26

Spud 1990-05-05

Applications (1)

#372429 A PARKER & PARSLEY, LTD.
received 1990-04-20

Records & Logs

3 completion filings on record · 1 with log images at RRC.

W-2/G-1 1998-06-12
W-2/G-1 1990-08-09 log on file
W-2/G-1 1990-08-22
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 UPTON County.

Well Details

Well Number
4201
Max Depth
8,225 ft
Drill Type
Vertical
County
UPTON
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
1990-06-11

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
15,531