42-417-37824

Final Completion

COOK RANCH

SHACKELFORD County · District 7 · BRECK OPERATING CORP. · SHACKELFORD COUNTY REGULAR (GAS)

Permits

Max Depth

5,500 ft

First Permit

1994-06-06

Latest Activity

1997-01-29

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1997-01-27

Shut-In

—

Plugged

1998-01-05

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1994-07

Last Production

1998-01

Lease Production

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

Formation Tops (3) Elevation 1,807 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CADDO	4,648 ft	-2,841 ft
MISSISSIPPIAN	4,852 ft	-3,045 ft
ELLENBURGER	5,172 ft	-3,365 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 (6)

Interval	Type
4,649–4,680 ft	Perforated
4,830–4,833 ft	Perforated
4,838–4,851 ft	Perforated
4,917–4,931 ft	Perforated
4,960–4,994 ft	Perforated
5,026–5,062 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	643 ft	375 sx
5.5"	5,205 ft	120 sx

Permit History (2)

#457846 Recompletion Final Completion

COOK RANCH · 4,900 ft

1997-01-29

Spud 1997-01-22

#424565 Drill Final Completion

COOK RANCH · 5,500 ft

1994-06-06

Spud 1994-06-11

Applications (2)

#457846 A BRECK OPERATING CORP.

received 1997-01-27

#424565 A BRECK OPERATING CORP.

received 1994-06-06

Records & Logs

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

W-2/G-1 1997-06-16

W-2/G-1 1997-03-17 log on file

W-2/G-1 1997-04-01

W-2/G-1 1996-06-10

W-2/G-1 1995-11-15

W-2/G-1 1994-07-18 log on file

+1 more filings

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 SHACKELFORD County.

Well Details

Well Number: A303
Max Depth: 5,500 ft
Drill Type: Vertical
County: SHACKELFORD
District: 7
Operator: BRECK OPERATING CORP.
Completed: 1997-01-27

Operator

Name: THROCKMORTON OIL, INC
Location: BRECKENRIDG
P-5 Status: Inactive (filed 2019-05-06)
Cum Oil (all leases): 7,128,788 bbl
Cum Gas (all leases): 28,557,632 mcf
Total Permits: 295