42-417-36320

Final Completion

NAIL RANCH 152B

SHACKELFORD County · District 7 · COTTONWOOD PETROLEUM CO. · SHACKELFORD COUNTY REGULAR

Permits

Max Depth

1,999 ft

First Permit

1985-05-15

Latest Activity

1989-11-16

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-05-27

Shut-In

—

Plugged

1988-01-13

EWA / Production operator mismatch

Scheduling: COTTONWOOD PETROLEUM CO. ≠ Production: S2 OIL, LLC (1) (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: COTTONWOOD PETROLEUM CO. ≠ Permit: O'LEARY'S OIL & GAS INC.

Resolved via: production → S2 OIL, LLC (1)

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

O'LEARY'S OIL & GAS INC. 1993-1998→ W. J. OIL COMPANY 1999-2007→ CLAVO OIL, LLC 2007-2017→ SANDERS ENERGY LLC 2017-2026→ S2 OIL, LLC (1) 2026-2026

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

No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. Offset-well tops can't be shown either — this well has no surface coordinates on file yet.

Check this well's filings at RRC ↗

Perforations (1)

Interval	Type
1,616–1,620 ft	Perforated

Casing (1)

Size	Set Depth	Cement
4.5"	1,660 ft	280 sx

Permit History (2)

#366061 Reenter Final Completion

NAIL RANCH 152 · 1,660 ft

1989-11-16

#275143 Drill Final Completion

NAIL RANCH 152B · 1,999 ft

1985-05-15

Applications (2)

#366061 A O'LEARY'S OIL & GAS INC.

received 1989-11-06

#275143 A ASPEN OIL & GAS

received 1985-05-15

Records & Logs

4 completion filings on record.

W-2/G-1 1990-01-18

W-2/G-1 1990-02-15

W-2/G-1 1985-06-05

W-2/G-1 1985-06-14

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: 2
Max Depth: 1,999 ft
Drill Type: Vertical
County: SHACKELFORD
District: 7
Operator: COTTONWOOD PETROLEUM CO.
Completed: 1985-05-27

Operator

Name: COTTONWOOD PETRO CO
Location: ABILENE
P-5 Status: Inactive (filed 2009-02-04)
Cum Oil (all leases): 685,647 bbl
Cum Gas (all leases): 311,774 mcf
Total Permits: 454