42-337-30529

Final Completion

GRONOW, MARY "A"

MONTAGUE County · District 9 · ENGINEERED OPERATING CO.

Permits

Max Depth

7,505 ft

First Permit

1979-12-27

Latest Activity

1983-10-24

Lifespan

4 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

DIMOCK OPERATING COMPANY 1993-1997→ CHANCE OIL CO., INC. 1998-2006→ IPR ENERGY PARTNERS, L.P. 2006-2013→ WISE PRODUCTION COMPANY 2019-2024→ TEXCRUDE SERVICES LLC 2024-2025

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 (6) Elevation 1,136 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
STRAWN SAND (Strawn)	3,854 ft	-2,718 ft
JAMESON SAND	5,784 ft	-4,648 ft
HUNDLEY (6400)	6,377 ft	-5,241 ft
HUNDLEY (6400 LOWER)	6,400 ft	-5,264 ft
VIOLA LIME (Viola)	6,710 ft	-5,574 ft
ELLENBURGER DOLOMITE (Ellenburger)	7,350 ft	-6,214 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
6,371–6,381 ft	Perforated
7,450–7,460 ft	Perforated

Casing (4)

Size	Set Depth	Cement
8.625"	975 ft	300 sx
2.375"	6,360 ft	—
4.5"	6,474 ft	263 sx
4.5"	7,503 ft	120 sx

Permit History (2)

#218842 Recompletion Final Completion

GRONOW, MARY "A" · 7,505 ft

1983-10-24

#67686 Recompletion Final Completion

GRONOW, MARY "A" · 7,505 ft

1979-12-27

Applications (2)

#218842 A ENGINEERED OPERATING CO.

received 1983-06-08

#67686 A ENGINEERED OPERATING CO.

received 1979-12-27

Records & Logs

4 completion filings on record.

W-2/G-1 1983-12-08

W-2/G-1 1980-01-25

W-2/G-1 1977-10-11

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 MONTAGUE County.

Well Details

Well Number: 1
Max Depth: 7,505 ft
Drill Type: Vertical
County: MONTAGUE
District: 9
Operator: ENGINEERED OPERATING CO.

Operator

Name: ENGINEERED OPER CO
Location: WICHITA FAL, LS
P-5 Status: Inactive (filed 1987-02-25)
Total Permits: 8