42-479-35440

Final Completion

SOUTH CALLAGHAN RANCH

WEBB County · District 4 · ROSETTA RESOURCES OPERATING LP · BECCERO CREEK (LOBO CONS.)

Permits

Max Depth

8,125 ft

First Permit

1992-04-07

Latest Activity

1992-12-02

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2003-08-06

Shut-In

—

Plugged

2012-12-19

EWA / Permit operator mismatch

Scheduling: ROSETTA RESOURCES OPERATING LP ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: scheduling → ROSETTA RESOURCES OPERATING LP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2012-12

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-1998→ MICHAEL PETROLEUM CORPORATION 1998-2001→ CALPINE NATURAL GAS COMPANY 2002-2002→ CALPINE NATURAL GAS COMPANY L.P. 2002-2002→ CALPINE NATURAL GAS L.P. 2002-2005→ ROSETTA RESOURCES OPERATING LP 2006-2008

Lease Production

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

Formation Tops (3) Elevation 542 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WILCOX	3,880 ft	-3,338 ft
MIDDLE WILCOX (Wilcox)	5,620 ft	-5,078 ft
LOBO 6	7,435 ft	-6,893 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 (5)

Interval	Type
6,750–6,784 ft	Perforated
6,860–6,870 ft	Perforated
6,924–6,940 ft	Perforated
6,924–6,948 ft	Perforated
6,944–6,948 ft	Perforated

Casing (4)

Size	Set Depth	Cement
16"	60 ft	—
9.625"	3,615 ft	1,065 sx
7"	6,408 ft	213 sx
2.875"	7,893 ft	855 sx

Permit History (2)

#406736 Recompletion Final Completion

SOUTH CALLAGHAN RANCH · 8,125 ft

1992-12-02

Spud 1992-12-12

#398182 Drill Final Completion

SOUTH CALLAGHAN RANCH · 8,125 ft

1992-04-07

Spud 1992-04-20

Applications (2)

#406736 A MOBIL PRODUCING TX. & N.M. INC.

received 1992-12-02

#398182 A MOBIL PRODUCING TX. & N.M. INC.

received 1992-04-07

Records & Logs

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

W-2/G-1 2003-08-22

W-2/G-1 1993-02-18 log on file

W-2/G-1 1993-02-24

W-2/G-1 1992-07-02 log on file

W-2/G-1 1992-08-10

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: 66
Max Depth: 8,125 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: ROSETTA RESOURCES OPERATING LP
Completed: 2003-08-06

Operator

Name: ROSETTA RES OPER LP
Location: SAN ANTONIO
P-5 Status: Active (filed 2025-10-01)
Cum Oil (all leases): 28,573,490 bbl
Cum Gas (all leases): 1,121,692,409 mcf
Activities: G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 1,214