42-051-30418

Final Completion

WILLIARD

BURLESON County · District 3 · ERNEST OPERATING COMPANY · WILLARD (NAVARRO)

Permits

Max Depth

3,600 ft

First Permit

1979-07-16

Latest Activity

2014-07-02

Lifespan

35 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1979-07-28

Shut-In

—

Plugged

2005-10-21

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

CRESCENT EXPLORATION COMPANY 1993-1994→ KEESEE, H. K. 1994-1994→ ERNEST OPERATING COMPANY 1994-2026

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 (4) Elevation 404 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
POTH - DISPOSAL	2,760 ft	-2,356 ft
WILCOX - DISPOSAL (Wilcox)	5,250 ft	-4,846 ft
AUSTIN CHALK - DISPOSAL (Austin Chalk)	7,140 ft	-6,736 ft
EDWARDS - DISPOSAL (Edwards)	8,100 ft	-7,696 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
3,370–3,390 ft	Perforated
3,370–3,390 ft	Open hole

Casing (3)

Size	Set Depth	Cement
8.625"	184 ft	125 sx
2.375"	3,144 ft	—
4.5"	3,569 ft	635 sx

Permit History (2)

#787523 Reenter Final Completion

WILLARD · 3,569 ft

2014-07-02

Spud 2014-07-19

#52889 Drill Final Completion

WILLARD · 3,600 ft

1979-07-16

Applications (2)

#787523 A ERNEST OPERATING COMPANY

received 2014-05-20

#52889 A HOLLUB, LAMBERT DRILLING COMPANY

received 1979-07-16

Records & Logs

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

W-2/G-1 2015-04-02 log on file

W-2/G-1 1979-08-16

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 BURLESON County.

Well Details

Well Number: 4
Max Depth: 3,600 ft
Drill Type: Vertical
County: BURLESON
District: 3
Operator: ERNEST OPERATING COMPANY
Completed: 1979-07-28

Operator

Name: ERNEST OPER CO
Location: ROCKDALE
P-5 Status: X (filed 2026-02-24)
Cum Oil (all leases): 1,868,903 bbl
Cum Gas (all leases): 294,935 mcf
Activities: CSGD/G, GTHS/G, OPRS/G, OPRS/O
Total Permits: 32