42-285-31836

Final Completion

ALLEN OIL UNIT

LAVACA County · District 2 · PIONEER NATURAL RES. USA INC. · HALLETTSVILLE (7700)

Permits

Max Depth

10,300 ft

First Permit

1984-07-03

Latest Activity

2004-01-28

Lifespan

20 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2004-06-18

Shut-In

—

Plugged

2010-01-26

EWA / Production operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Production: GRUY PETROLEUM MANAGEMENT CO. (reported 2003-02)

EWA / Permit operator mismatch

Scheduling: PIONEER NATURAL RES. USA INC. ≠ Permit: GRUY PETROLEUM MANAGEMENT CO.

Resolved via: scheduling → PIONEER NATURAL RES. USA INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2010-01

Operator History

Chain of Custody

HOWELL DRILLING, INC. 1993-1993→ PARKER & PARSLEY DEVELOPMENT CO. 1994-1995→ PARKER & PARSLEY DEVELOPMENT L.P 1995-1997→ PIONEER NATURAL RES. USA, INC. 1997-1999→ PRIZE OPERATING COMPANY 1999-2002→ GRUY PETROLEUM MANAGEMENT CO. 2002-2003

Lease Production

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

Formation Tops (3) Elevation 246 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP OF JACKSON (Jackson)	1,950 ft	-1,704 ft
TOP OF YEGUA (Yegua)	2,930 ft	-2,684 ft
TOP OF WILCOX (Wilcox)	5,630 ft	-5,384 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 (3)

Interval	Type
7,700–7,708 ft	Perforated
9,722–9,725 ft	Perforated
9,748–9,756 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,662 ft	640 sx
7.625"	9,500 ft	430 sx

Permit History (2)

#541321 Recompletion Final Completion

ALLEN OIL UNIT · 8,900 ft

2004-01-28

#244072 Drill Final Completion

ALLEN OIL UNIT 2 · 10,300 ft

1984-07-03

Applications (3)

#541321 A GRUY PETROLEUM MANAGEMENT CO.

received 2004-01-28

#244072 A HOWELL DRILLING, INC.

received 1984-10-04

#244072 A HOWELL DRILLING, INC.

received 1984-07-03

Records & Logs

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

W-2/G-1 2004-09-24 log on file

W-2/G-1 2005-03-14

W-2/G-1 1984-10-04

W-2/G-1 1984-10-18

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 LAVACA County.

Well Details

Well Number: 2
Max Depth: 10,300 ft
Drill Type: Vertical
County: LAVACA
District: 2
Operator: PIONEER NATURAL RES. USA INC.
Completed: 2004-06-18

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: 15,477