42-479-35342

Final Completion

SOUTH CALLAGHAN RANCH

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

Permits

Max Depth

8,400 ft

First Permit

1991-11-07

Latest Activity

1993-09-27

Lifespan

2 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1993-11-15

Shut-In

—

Plugged

2012-08-22

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

2012-08

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 2006-2007

Lease Production

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

Formation Tops (3) Elevation 544 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WILCOX	3,830 ft	-3,286 ft
MIDDLE WILCOX (Wilcox)	5,520 ft	-4,976 ft
LOBO 6	7,350 ft	-6,806 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 (3)

Interval	Type
6,612–6,618 ft	Perforated
6,760–6,796 ft	Perforated
6,888–6,908 ft	Perforated

Casing (4)

Size	Set Depth	Cement
20"	85 ft	—
9.625"	866 ft	325 sx
7"	6,246 ft	295 sx
7"	—	834 sx

Permit History (2)

#416436 Recompletion Final Completion

SOUTH CALLGHAN RANCH · 7,775 ft

1993-09-27

Spud 1993-11-10

#393767 Drill Final Completion

SOUTH CALLAGHAN RANCH · 8,400 ft

1991-11-07

Spud 1991-12-08

Applications (2)

#416436 A MOBIL PRODUCING TX. & N.M. INC.

received 1993-09-27

#393767 A MOBIL PRODUCING TX. & N.M. INC.

received 1991-11-07

Records & Logs

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

W-2/G-1 1993-12-06 log on file

W-2/G-1 1992-04-14 log on file

W-2/G-1 1992-06-05

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: 54
Max Depth: 8,400 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: ROSETTA RESOURCES OPERATING LP
Completed: 1993-11-15

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