42-479-34201

Final Completion

OLMITOS RANCH

WEBB County · District 4 · COX OIL & GAS INC. · NICHOLSON (LOBO 10100)

Permits

Max Depth

9,500 ft

First Permit

1985-07-16

Latest Activity

1988-11-23

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-11-01

Shut-In

—

Plugged

1993-04-28

EWA / Production operator mismatch

Scheduling: COX OIL & GAS INC. ≠ Production: COX EXPLORATION, INC. (reported 1993-03)

Resolved via: scheduling → COX OIL & GAS INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

1993-04

Lease Production

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

Gas

production & DCA →

Formation Tops (4) Elevation 474 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
LOWER WILCOX (Wilcox)	6,955 ft	-6,481 ft
LOBO	8,475 ft	-8,001 ft
TOP OF LOBO	8,475 ft	-8,001 ft
LOBO 6	8,867 ft	-8,393 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 (3)

Interval	Type
8,574–8,598 ft	Perforated
8,902–8,912 ft	Perforated
8,922–8,930 ft	Perforated

Casing (2)

Size	Set Depth	Cement
10.75"	1,030 ft	410 sx
7.625"	7,696 ft	455 sx

Permit History (2)

#353488 Recompletion Final Completion

OLMITOS RANCH · 9,250 ft

1988-11-23

#280332 Drill Final Completion

OLMITOS RANCH · 9,500 ft

1985-07-16

Spud 1985-08-30

Applications (3)

#353488 A COX OIL & GAS, INC.

received 1988-11-21

#280332 A COX, EDWIN L. & COX, BERRY R.

received 1985-11-07

#280332 A COX, EDWIN L. & COX, BERRY R.

received 1985-07-15

Records & Logs

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

W-2/G-1 1988-11-21 log on file

W-2/G-1 1988-11-29

W-2/G-1 1985-11-14 log on file

W-2/G-1 1985-11-28

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 WEBB County.

Well Details

Well Number: 10
Max Depth: 9,500 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: COX OIL & GAS INC.
Completed: 1985-11-01

Operator

Name: COX OIL & GAS, INC
Location: DALLAS
P-5 Status: Inactive (filed 1991-04-01)
Total Permits: 71