← Wells

42-329-33096

Final Completion

O BRIEN -A-

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

Permits

1

Max Depth

9,300 ft

First Permit

1994-08-03

Latest Activity

1994-08-03

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-10-06

Shut-In

—

Plugged

2017-11-22

!

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: MIDPAR L.P.

Resolved via: scheduling → 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

AMERADA HESS CORPORATION 1993-1994→ MIDPAR L.P. 1994-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-2021

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 (3) Elevation 2,632 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TOP UPPER SPRABERRY (Spraberry)7,015 ft-4,383 ft
TOP LOWER SPRABERRY (Spraberry)7,665 ft-5,033 ft
TOP DEAN (Dean)8,320 ft-5,688 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 (4)

IntervalType
7,017–7,286 ftPerforated
7,683–7,937 ftPerforated
8,337–8,526 ftPerforated
8,752–9,033 ftPerforated

Casing (2)

SizeSet DepthCement
12.75"297 ft297 sx
4.5"9,150 ft1,700 sx

Permit History (1)

#426598 Drill Final Completion

O'BRIEN "A" · 9,300 ft

1994-08-03

Spud 1994-09-01

Applications (1)

#426598 A MIDPAR L.P.
received 1994-08-03

Records & Logs

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

W-2/G-1 1994-10-21 log on file
W-2/G-1 1994-10-31
Completion packets + logs ↗ Wellbore filings ↗

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
6
Max Depth
9,300 ft
Drill Type
Vertical
County
MIDLAND
District
8
Operator
PIONEER NATURAL RES. USA INC.
Completed
1994-10-06

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
15,429