42-383-33126

Final Completion

MERCHANT UNIT

REAGAN County · District 7 · PIONEER NATURAL RES. USA INC. · SPRABERRY (TREND AREA)

Permits

Max Depth

8,200 ft

First Permit

1984-07-06

Latest Activity

1995-03-21

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2018-01-23

Shut-In

—

Plugged

2019-10-31

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: PARKER & PARSLEY DEVELOPMENT L.P

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.

Formation Tops (5) Elevation 2,676 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	6,517 ft	-3,841 ft
TOP UPPER SPRABERRY (Spraberry)	6,519 ft	-3,843 ft
TOP LOWER SPRABERRY (Spraberry)	7,076 ft	-4,400 ft
TOP DEAN (Dean)	7,885 ft	-5,209 ft
DEAN	7,905 ft	-5,229 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 (5)

Interval	Type
6,542–6,863 ft	Perforated
6,542–8,098 ft	Perforated
7,182–7,490 ft	Perforated
7,911–8,095 ft	Perforated
7,911–8,098 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	493 ft	340 sx
5.5"	8,197 ft	800 sx

Permit History (2)

#434031 Recompletion Final Completion

MERCHANT UNIT · 8,197 ft

1995-03-21

Spud 1995-05-13

#244231 Drill Final Completion

MERCHANT 15 · 8,200 ft

1984-07-06

Applications (3)

#434031 A PARKER & PARSLEY DEVELOPMENT L.P

received 1995-03-21

#244231 A CITIES SERVICE OIL & GAS CORP.

received 1984-07-26

#244231 A CITIES SERVICE OIL & GAS CORP.

received 1984-07-02

Records & Logs

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

W-2/G-1 2018-07-17

W-2/G-1 2000-08-18

W-2/G-1 1995-06-21 log on file

W-2/G-1 1984-08-27

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 REAGAN County.

Well Details

Well Number: 4208B
Max Depth: 8,200 ft
Drill Type: Vertical
County: REAGAN
District: 7
Operator: PIONEER NATURAL RES. USA INC.
Completed: 2018-01-23

Operator

Name: PIONEER NATURAL RES. USA, INC
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