42-311-31345

SOUTH TEXAS SYNDICATE -A-

MCMULLEN County · District 1 · WHITING OIL AND GAS CORPORATION

Permits

Max Depth

6,300 ft

First Permit

1979-09-18

Latest Activity

2005-04-22

Lifespan

26 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

AMERICAN COMETRA, INC. 1993-1993→ SWIFT ENERGY COMPANY 1993-2002→ WHITING PETROLEUM CORPORATION 2002-2003→ WHITING OIL AND GAS CORPORATION 2003-2015→ FOUNDATION ENERGY MANAGEMENT LLC 2016-2018→ TERRAFINA ENERGY, LLC 2018-2023→ VERMILLION PRODUCTION, INC. 2023-2026→ CARIBBEAN ENERGY LLC II 2026-2026

Lease Production

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

Formation Tops (3) Elevation 286 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YEGUA	1,150 ft	-864 ft
QUEEN CITY	2,270 ft	-1,984 ft
CARRIZO	3,960 ft	-3,674 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
4,634–4,639 ft	Perforated
5,443–5,553 ft	Perforated

Casing (5)

Size	Set Depth	Cement
8.625"	293 ft	175 sx
8.625"	293 ft	175 sx
2.375"	4,515 ft	—
4.5"	6,199 ft	595 sx
4.5"	6,200 ft	595 sx

Permit History (3)

#560672 Recompletion

SOUTH TEXAS SYNDICATE -A- · 6,200 ft

2005-04-22

#554838 Recompletion Final Completion

SOUTH TEXAS SYNDICATE -A- · 6,200 ft

2004-12-14

#58195 Drill Final Completion

SOUTH TEXAS SYNDICATE -A- · 6,300 ft

1979-09-18

Spud 1979-10-05

Applications (3)

#560672 A WHITING OIL AND GAS CORPORATION

received 2005-04-18

#554838 A WHITING OIL AND GAS CORPORATION

received 2004-12-14

#58195 A SKINNER CORP-NEWMAN BROS.DRLG.CO

received 1979-09-18

Records & Logs

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

W-2/G-1 2018-12-21

W-2/G-1 2005-03-14 log on file

W-2/G-1 2005-04-06

W-2/G-1 1979-11-09

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 MCMULLEN County.

Well Details

Well Number: 11
Max Depth: 6,300 ft
Drill Type: Vertical
County: MCMULLEN
District: 1
Operator: WHITING OIL AND GAS CORPORATION

Operator

Name: WHITING OIL AND GAS CORP
Location: HOUSTON
P-5 Status: Active (filed 2026-03-18)
Cum Oil (all leases): 46,349,811 bbl
Cum Gas (all leases): 57,098,327 mcf
Activities: OPRS/O
Total Permits: 2,092