← Wells

42-417-37113

Final Completion

NAIL 40

SHACKELFORD County · District 7 · DAYLIGHT PETROLEUM LLC · K W (TANNEHILL)

Permits

1

Max Depth

1,200 ft

First Permit

1987-10-20

Latest Activity

1987-10-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1987-11-18

Shut-In

—

Plugged

2018-07-18

!

EWA / Permit operator mismatch

Scheduling: DAYLIGHT PETROLEUM LLC ≠ Permit: RAMPART PETROLEUM, INCORPORATED

Resolved via: production → DAYLIGHT PETROLEUM LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

WIMSCO, INC. 1993-1994→ PARAGON CORPORATION 1994-1997→ L.C.S. PRODUCTION COMPANY 1997-1998→ T-N-T ENGINEERING, INC. 1998-2016→ AVAD OPERATING, LLC 2016-2019→ DAYLIGHT PETROLEUM LLC 2019-2026

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 (2) Elevation 1,519 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
TANNEHILL SAND (Tannehill)924 ft+595 ft
SADDLE CREEK LIME (Saddle Creek)985 ft+534 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 (1)

IntervalType
924–928 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"105 ft65 sx
4.5"1,003 ft55 sx

Permit History (1)

#337519 Drill Final Completion

NAIL 40 · 1,200 ft

1987-10-20

Applications (1)

#337519 A RAMPART PETROLEUM, INCORPORATED
received 1987-10-16

Records & Logs

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

W-2/G-1 1987-11-30 log on file
W-2/G-1 1987-12-08
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 SHACKELFORD County.

Well Details

Well Number
4901
Max Depth
1,200 ft
Drill Type
Vertical
County
SHACKELFORD
District
7
Operator
DAYLIGHT PETROLEUM LLC
Completed
1987-11-18

Operator

Location
HOUSTON
P-5 Status
Active (filed 2026-04-07)
Cum Oil (all leases)
2,142,014 bbl
Cum Gas (all leases)
8,381,191 mcf
Activities
CSGD/G, G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits
7