42-417-37845

Final Completion

NAIL 41

SHACKELFORD County · District 7 · T-N-T ENGINEERING INC. · TURNER WADE (UPPER COOK)

Permits

Max Depth

2,000 ft

First Permit

1994-07-27

Latest Activity

2004-03-01

Lifespan

10 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-10-19

Shut-In

—

Plugged

—

EWA / Production operator mismatch

Scheduling: T-N-T ENGINEERING INC. ≠ Production: DAYLIGHT PETROLEUM LLC (reported 2026-04)

Resolved via: production → DAYLIGHT PETROLEUM LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1994-10

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000090869 permitted 2002-10-28

Permitted Volume

1,100 bbl/d

Max Pressure

550 psi

Injection Interval

1,116–1,146 ft

Injected (12mo)

382,200 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-06-01)

Operator History

Chain of Custody

BRECK OPERATING CORP. 1994-1996→ L.C.S. PRODUCTION COMPANY 1996-1998→ T-N-T ENGINEERING, INC. 1998-2016→ AVAD OPERATING, LLC 2016-2016→ DAYLIGHT PETROLEUM LLC 2021-2026

Lease Production

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

Formation Tops (1) Elevation 1,482 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
COOK SAND	1,089 ft	+393 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
1,097–1,102 ft	Perforated
1,116–1,146 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	100 ft	50 sx
8.625"	100 ft	50 sx
4.5"	1,170 ft	100 sx

Permit History (2)

#542213 Recompletion Final Completion

NAIL RANCH "41B" · 2,000 ft

2004-03-01

Spud 1994-08-20

#426274 Drill Final Completion

NAIL "41" · 1,999 ft

1994-07-27

Spud 1994-08-20

Applications (2)

#542213 A T-N-T ENGINEERING, INC.

received 2004-02-18

#426274 A BRECK OPERATING CORP.

received 1994-07-26

Records & Logs

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

W-2/G-1 2003-12-11 log on file

W-2/G-1 2007-02-27

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

W-2/G-1 1995-01-27

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 S
Max Depth: 2,000 ft
Drill Type: Vertical
County: SHACKELFORD
District: 7
Operator: T-N-T ENGINEERING INC.
Completed: 1994-10-19

Operator

Name: T-N-T ENGINEERING, INC
Location: FORT WORTH
P-5 Status: Delinquent (filed 2018-07-18)
Cum Oil (all leases): 6,720,875 bbl
Cum Gas (all leases): 3,738,848 mcf
Total Permits: 185