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LOMAX 11

GLASSCOCK County · District 8 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)

Permits

Max Depth

12,000 ft

First Permit

2011-02-28

Latest Activity

2014-01-07

Lifespan

3 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2011-07-01

Shut-In

—

Plugged

—

P-5 Org Status: X

EWA / Permit operator mismatch

Scheduling: OXYROCK OPERATING LLC ≠ Permit: CROWNQUEST OPERATING, LLC

Resolved via: production → OXYROCK OPERATING, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2011-07

Last Production

2026-07

Operator History

Chain of Custody

CROWNQUEST OPERATING, LLC 2011-2024→ OXYROCK OPERATING, LLC 2024-2026

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 (4) Elevation 2,604 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY	8,256 ft	-5,652 ft
STRAWN	9,905 ft	-7,301 ft
ATOKA	10,143 ft	-7,539 ft
MISSISSIPPIAN	10,352 ft	-7,748 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)

Interval	Type
8,256–10,420 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	350 ft	350 sx
8.625"	4,200 ft	1,000 sx
5.5"	10,495 ft	1,700 sx

Permit History (2)

#775442 Recompletion Final Completion

LOMAX 11 · 12,000 ft

2014-01-07

Spud 2011-03-31

#710737 Drill Final Completion

LOMAX 11 · 11,500 ft

2011-02-28

Spud 2011-03-30

Applications (2)

#775442 A CROWNQUEST OPERATING, LLC

received 2013-12-11

#710737 A CROWNQUEST OPERATING, LLC

received 2011-02-22

Records & Logs

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

W-2/G-1 2014-02-03

W-2/G-1 2011-08-11 log on file

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 GLASSCOCK County.

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: GLASSCOCK
District: 8
Operator: OXYROCK OPERATING LLC
Completed: 2011-07-01

Operator

Name: OXYROCK OPER, LLC
Location: HOUSTON
P-5 Status: X (filed 2026-04-22)
Cum Oil (all leases): 64,850,483 bbl
Cum Gas (all leases): 77,830 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 364