42-149-31265

PRODUCING Horizontal

HAVEMANN UNIT

FAYETTE County · District 3 · MAGNOLIA OIL & GAS OPERATING LLC · GIDDINGS (AUSTIN CHALK-3)

Permits

Max Depth

9,500 ft

First Permit

1981-12-01

Latest Activity

1994-09-16

Lifespan

13 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1994-10-29

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: MAGNOLIA OIL & GAS OPERATING LLC ≠ Permit: KEYSTONE EXPLORATION, INC

Resolved via: scheduling → MAGNOLIA OIL & GAS OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

UNITED OIL & MINERALS, INC. 1993-1998→ KEYSTONE EXPLORATION, INC 1994-1997→ WCS OIL AND GAS CORPORATION 1999-2005→ WCS OIL & GAS CORPORATION 2005-2021→ MAGNOLIA OIL & GAS OPERATING LLC 2021-2025

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 365 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
BASE WILCOX (Wilcox)	5,760 ft	-5,395 ft
PECAN GAP	8,005 ft	-7,640 ft
AUSTIN CHALK	8,310 ft	-7,945 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)

Interval	Type
8,614–11,298 ft	Open hole
8,940–9,024 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	3,219 ft	1,440 sx
8.625"	3,318 ft	900 sx
2.375"	8,711 ft	—
5.5"	9,056 ft	850 sx
5.5"	9,167 ft	530 sx

Permit History (2)

#428131 Recompletion Final Completion

HAVEMANN UNIT · 9,000 ft

1994-09-16

Spud 1994-09-17

#142042 Drill Final Completion

HAVEMANN UNIT · 9,500 ft

1981-12-01

Applications (2)

#428131 A KEYSTONE EXPLORATION, INC

received 1994-09-16

#142042 A TDC EXPLORATION INC.

received 1981-12-01

Records & Logs

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

W-2/G-1 1994-11-23 log on file

W-2/G-1 1982-01-25

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 FAYETTE County.

Well Details

Well Number: 1
Max Depth: 9,500 ft
Drill Type: Horizontal
County: FAYETTE
District: 3
Operator: MAGNOLIA OIL & GAS OPERATING LLC
Completed: 1994-10-29

Operator

Name: MAGNOLIA OIL & GAS OPER LLC
Location: HOUSTON
P-5 Status: X (filed 2026-05-06)
Cum Oil (all leases): 73,106,082 bbl
Cum Gas (all leases): 451,822,685 mcf
Activities: CSGD/G, CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 599