42-447-35263

Final Completion

LAMBSHEAD C 10

THROCKMORTON County · District 7 · PETEX · BIG BUFFALO (MISSISSIPPIAN)

Permits

Max Depth

5,500 ft

First Permit

1992-04-06

Latest Activity

2011-10-17

Lifespan

20 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1992-05-05

Shut-In

—

Plugged

2023-03-06

EWA / Permit operator mismatch

Scheduling: PETEX ≠ Permit: BRECK OPERATING CORP.

Resolved via: scheduling → PETEX

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

THROCKMORTON OIL, INC. 1993-2004→ ENCON SERVICES, INC. 2005-2006→ BRECK OPERATING CORP. 2006-2019→ PETEX 2019-2020

Lease Production

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

Formation Tops (3) Elevation 1,435 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
CADDO	4,238 ft	-2,803 ft
MISSISSIPI	4,678 ft	-3,243 ft
MISSISSIPPI (Mississippian)	4,678 ft	-3,243 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 (2)

Interval	Type
4,238–4,266 ft	Perforated
4,678–4,710 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	598 ft	340 sx
5.5"	4,800 ft	153 sx

Permit History (2)

#725003 Recompletion Final Completion

LAMBSHEAD C-10 · 4,800 ft

2011-10-17

Spud 2011-11-18

#398081 Drill Final Completion

LAMBSHEAD C 10 · 5,500 ft

1992-04-06

Spud 1992-04-15

Applications (2)

#725003 A BRECK OPERATING CORP.

received 2011-09-26

#398081 A THROCKMORTON OIL, INC.

received 1992-04-03

Records & Logs

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

W-2/G-1 2012-02-10

W-2/G-1 1992-05-18 log on file

W-2/G-1 1992-06-02

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 THROCKMORTON County.

Well Details

Well Number: 1D
Max Depth: 5,500 ft
Drill Type: Vertical
County: THROCKMORTON
District: 7
Operator: PETEX
Completed: 1992-05-05

Operator

Name: PETEX
Location: BRECKENRIDG
P-5 Status: Active (filed 2025-07-11)
Cum Oil (all leases): 2,582,028 bbl
Cum Gas (all leases): 45,339,238 mcf
Activities: OPRS/G, OPRS/O
Total Permits: 124