42-481-31705

Final Completion

PIERCE GAS UNIT

WHARTON County · District 3 · MCGOWAN WORKING PARTNERS · MAGNET WITHERS (M-5)

Permits

Max Depth

5,600 ft

First Permit

1978-12-11

Latest Activity

1995-11-14

Lifespan

17 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1996-01-03

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: MCGOWAN WORKING PARTNERS ≠ Production: MCGOWAN WORKING PARTNERS, INC. (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: MCGOWAN WORKING PARTNERS ≠ Permit: SYNERGY PRODUCTION COMPANY

Resolved via: production → MCGOWAN WORKING PARTNERS, INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000085482 permitted 1996-10-18

Permitted Volume

7,500 bbl/d

Max Pressure

150 psi

Injection Interval

5,540–5,600 ft

Injected (12mo)

355,092 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-06-01)

Operator History

Chain of Custody

SMITH PRODUCTION INC. 1993-1993→ SYNERGY PRODUCTION COMPANY 1993-1995→ SYNERGY OIL & GAS, INC. (A) 1996-1996→ MCGOWAN WORKING PARTNERS 1996-2000→ MCGOWAN WORKING PARTNERS, INC. 2000-2026

Lease Production

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

Formation Tops (1) Elevation 69 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
FRIO	5,510 ft	-5,441 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 (6)

Interval	Type
4,172–4,177 ft	Perforated
5,493–5,495 ft	Perforated
5,544–5,554 ft	Perforated
5,544–5,564 ft	Perforated
5,544–5,582 ft	Perforated
5,572–5,582 ft	Perforated

Casing (3)

Size	Set Depth	Cement
9.625"	996 ft	475 sx
2.375"	5,429 ft	—
5.5"	5,614 ft	800 sx

Permit History (2)

#441738 Recompletion Final Completion

PIERCE GAS UNIT · 5,600 ft

1995-11-14

Spud 1995-12-03

#39413 Drill Final Completion

HALAMICEK, J. M. · 5,600 ft

1978-12-11

Spud 1979-03-02

Applications (2)

#441738 A SYNERGY PRODUCTION COMPANY

received 1995-11-09

#39413 A AMOCO PRODUCTION COMPANY

received 1978-12-11

Records & Logs

6 completion filings on record.

W-2/G-1 2022-03-09

W-2/G-1 2003-07-30

W-2/G-1 1996-11-15

W-2/G-1 1996-01-16

W-2/G-1 1996-02-12

W-2/G-1 1979-06-08

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 WHARTON County.

Well Details

Well Number: 1
Max Depth: 5,600 ft
Drill Type: Vertical
County: WHARTON
District: 3
Operator: MCGOWAN WORKING PARTNERS
Completed: 1996-01-03

Operator

Name: MCGOWAN WORKING PTRS
Location: JACKSON
P-5 Status: Inactive (filed 1999-10-19)
Cum Oil (all leases): 4,100,748 bbl
Cum Gas (all leases): 2,345,606 mcf
Total Permits: 76