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42-477-30913

PRODUCING Horizontal

BRENHAM DOME UNIT

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

Permits

1

Max Depth

16,500 ft

First Permit

2001-08-30

Latest Activity

2001-08-30

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2001-11-13

Shut-In

—

Plugged

—

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: MAGNOLIA OIL & GAS OPERATING LLC ≠ Permit: CHESAPEAKE OPERATING, INC.

Resolved via: production → MAGNOLIA OIL & GAS OPERATING LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2001-11

Last Production

2026-07

Operator History

Chain of Custody

CHESAPEAKE OPERATING, INC. 2001-2009→ ENERVEST OPERATING, L.L.C. 2009-2018→ MAGNOLIA OIL & GAS OPERATING LLC 2018-2026

Lease Production

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

Gas
production & DCA →

Formation Tops (1) Elevation 258 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
AUSTIN CHALK 15,113 ft-14,855 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 (1)

IntervalType
15,018–18,650 ftPerforated

Casing (2)

SizeSet DepthCement
13.375"2,617 ft1,780 sx
9.625"12,078 ft805 sx

Permit History (1)

#513167 Drill Final Completion

BRENHAM DOME UNIT · 16,500 ft

2001-08-30

Spud 2001-09-01

Applications (1)

#513167 A CHESAPEAKE OPERATING, INC.
received 2001-08-30

Records & Logs

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

W-2/G-1 2001-12-20 log on file
W-2/G-1 2002-02-01
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 WASHINGTON County.

Well Details

Well Number
1H
Max Depth
16,500 ft
Drill Type
Horizontal
County
WASHINGTON
District
3
Operator
MAGNOLIA OIL & GAS OPERATING LLC
Completed
2001-11-13

Operator

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
589