42-105-38074

SWR-10-WELL

HENDERSON 23

CROCKETT County · District 7 · TOC ENERGY RESOURCES LLC · OZONA (CANYON SAND)

Permits

Max Depth

9,800 ft

First Permit

1998-03-06

Latest Activity

1999-07-07

Lifespan

1 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

1999-08-16

Shut-In

—

Plugged

—

P-5 Org Status: Active

EWA / Permit operator mismatch

Scheduling: TOC ENERGY RESOURCES LLC ≠ Permit: CROSS TIMBERS OPERATING COMPANY

Resolved via: production → TOC ENERGY RESOURCES, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1998-10

Last Production

2026-07

Operator History

Chain of Custody

CROSS TIMBERS OPERATING COMPANY 1998-2000→ ENCORE OPERATING, L.P. 2000-2007→ ENCORE ENERGY PARTNERS OPER LLC 2008-2012→ VANGUARD PERMIAN, LLC 2012-2015→ VANGUARD OPERATING, LLC 2015-2019→ GRIZZLY OP OF DELAWARE, LLC 2019-2021→ CONTANGO RESOURCES, INC. 2021-2021→ TOC ENERGY RESOURCES, 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 (2) Elevation 2,469 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CANYON	5,865 ft	-3,396 ft
STRAWN	9,397 ft	-6,928 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 (7)

Interval	Type
6,407–6,515 ft	Perforated
6,407–8,951 ft	Perforated
6,581–6,594 ft	Perforated
9,416–9,430 ft	Perforated
9,416–9,488 ft	Perforated
9,466–9,468 ft	Perforated
9,476–9,488 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,280 ft	550 sx
4.5"	9,714 ft	900 sx

Permit History (2)

#485100 Recompletion Final Completion

HENDERSON 23 · 9,100 ft

1999-07-07

Spud 1999-06-08

#473975 Drill Final Completion

HENDERSON 23 · 9,800 ft

1998-03-06

Spud 1998-09-17

Applications (2)

#485100 A CROSS TIMBERS OPERATING COMPANY

received 1999-06-10

#473975 A CROSS TIMBERS OPERATING COMPANY

received 1998-03-03

Records & Logs

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

W-2/G-1 1999-11-16

W-2/G-1 1999-08-31

W-2/G-1 1999-09-09

W-2/G-1 1998-11-06 log on file

W-2/G-1 1998-11-10

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 CROCKETT County.

Well Details

Well Number: 4
Max Depth: 9,800 ft
Drill Type: Vertical
County: CROCKETT
District: 7
Operator: TOC ENERGY RESOURCES LLC
Completed: 1999-08-16

Operator

Name: TOC ENGY RES, LLC
Location: FORT WORTH
P-5 Status: Active (filed 2026-02-03)
Cum Oil (all leases): 137,460 bbl
Cum Gas (all leases): 4,522,527 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 2