42-417-37770

Final Completion

NAIL 23

SHACKELFORD County · District 7 · BRECK OPERATING CORP. · NAIL TRACT 20 (MISS.)

Permits

Max Depth

5,500 ft

First Permit

1993-12-03

Latest Activity

1994-10-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-04-05

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: BRECK OPERATING CORP. ≠ Production: PETEX (reported 2023-12)

Resolved via: scheduling → BRECK OPERATING CORP.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1994-04

Last Production

2026-07

Operator History

Chain of Custody

BRECK OPERATING CORP. 1994-2019→ PETEX 2019-2023

Lease Production

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

Formation Tops (7) Elevation 1,532 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CADDO	4,388 ft	-2,856 ft
CADDO	4,402 ft	-2,870 ft
CONGL	4,612 ft	-3,080 ft
UPPER CONGL.	4,622 ft	-3,090 ft
MISSISSIPPI (Mississippian)	4,804 ft	-3,272 ft
MISS (Mississippian)	4,807 ft	-3,275 ft
ELLENBURGER	4,980 ft	-3,448 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 (3)

Interval	Type
4,612–4,620 ft	Perforated
4,822–4,842 ft	Perforated
4,856–4,862 ft	Perforated

Casing (4)

Size	Set Depth	Cement
13.375"	150 ft	160 sx
8.625"	643 ft	275 sx
8.625"	648 ft	275 sx
5.5"	5,012 ft	85 sx

Permit History (2)

#428917 Recompletion Final Completion

NAIL "23" · 5,500 ft

1994-10-11

Spud 1994-06-20

#418730 Drill Final Completion

NAIL "23" · 5,500 ft

1993-12-03

Spud 1993-12-10

Applications (2)

#428917 A BRECK OPERATING CORP.

received 1994-10-10

#418730 A BRECK OPERATING CORP.

received 1993-11-30

Records & Logs

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

W-2/G-1 1994-11-16 log on file

W-2/G-1 1994-12-09

W-2/G-1 1994-04-26 log on file

W-2/G-1 1994-05-10

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: 1
Max Depth: 5,500 ft
Drill Type: Vertical
County: SHACKELFORD
District: 7
Operator: BRECK OPERATING CORP.
Completed: 1994-04-05

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