42-059-32540

Final Completion

ISENHOWER JOHN D.

CALLAHAN County · District 7 · PENDRAGON OIL CO. · ISENHOWER (DUFFER)

Permits

Max Depth

4,000 ft

First Permit

1980-02-07

Latest Activity

1993-01-08

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1980-08-22

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (4) Elevation 1,674 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
STRAWN	2,426 ft	-752 ft
CADDO	3,183 ft	-1,509 ft
MARBLE FALLS	3,610 ft	-1,936 ft
DUFFER	3,796 ft	-2,122 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 (5)

Interval	Type
2,883–2,893 ft	Perforated
2,895–2,896 ft	Perforated
2,898–2,899 ft	Perforated
2,902–2,908 ft	Perforated
3,801–3,825 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	120 ft	135 sx
8.625"	120 ft	135 sx
2.375"	3,726 ft	—
4.5"	3,829 ft	200 sx
4.5"	3,870 ft	350 sx

Permit History (2)

#407927 Recompletion Final Completion

ISENHOWER, JOHN D. · 3,875 ft

1993-01-08

Spud 1993-01-08

#72075 Drill Final Completion

ISENHOWER, JOHN D. · 4,000 ft

1980-02-07

Spud 1980-07-21

Applications (2)

#407927 A PENDRAGON OIL CO.

received 1993-01-07

#72075 A BRAZOS RESOURCES, INC.

received 1980-02-07

Records & Logs

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

W-2/G-1 1993-02-04 log on file

W-2/G-1 1993-02-26

W-2/G-1 1980-09-08

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 CALLAHAN County.

Well Details

Well Number: 1
Max Depth: 4,000 ft
Drill Type: Vertical
County: CALLAHAN
District: 7
Operator: PENDRAGON OIL CO.
Completed: 1980-08-22

Operator

Name: SNOW OPER CO., INC
Location: FORT WORTH
P-5 Status: Active (filed 2025-12-18)
Cum Oil (all leases): 235,440 bbl
Cum Gas (all leases): 3,033,996 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 107