42-479-34718

Final Completion

SOUTH CALLAGHAN RANCH

WEBB County · District 4 · ROSETTA RESOURCES OPERATING LP · BIG COWBOY (MIDDLE WILCOX)

Permits

Max Depth

9,600 ft

First Permit

1988-07-20

Latest Activity

1994-04-22

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1994-05-28

Shut-In

—

Plugged

2003-06-13

EWA / Production operator mismatch

Scheduling: ROSETTA RESOURCES OPERATING LP ≠ Production: MICHAEL PETROLEUM CORPORATION (reported 1999-08)

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

2014-12

Operator History

Chain of Custody

MOBIL PRODUCING TX. & N.M. INC. 1993-1998→ MICHAEL PETROLEUM CORPORATION 1998-1999

Lease Production

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

Formation Tops (7) Elevation 530 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP OF WILCOX (Wilcox)	4,680 ft	-4,150 ft
MIDDLE OF WILCOX	6,460 ft	-5,930 ft
MIDDLE WILCOX (Wilcox)	6,460 ft	-5,930 ft
LOBO 1	8,195 ft	-7,665 ft
LOBO 2	8,390 ft	-7,860 ft
LOBO 3	8,720 ft	-8,190 ft
LOBO 6	8,980 ft	-8,450 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
6,956–6,987 ft	Perforated
8,202–8,212 ft	Perforated

Casing (3)

Size	Set Depth	Cement
16"	60 ft	—
9.625"	1,000 ft	425 sx
7"	7,135 ft	1,738 sx

Permit History (2)

#423249 Recompletion Final Completion

SOUTH CALLAGHAN RANCH · 9,366 ft

1994-04-22

Spud 1994-05-24

#349047 Drill Final Completion

CALLAGHAN RANCH, SOUTH · 9,600 ft

1988-07-20

Applications (2)

#423249 A MOBIL PRODUCING TX. & N.M. INC.

received 1994-04-22

#349047 A MOBIL PRODUCING TX. & N.M. INC.

received 1988-07-18

Records & Logs

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

W-2/G-1 1994-07-01 log on file

W-2/G-1 1994-08-29 log on file

W-2/G-1 1990-03-02

W-2/G-1 1989-08-17 log on file

W-2/G-1 1989-09-02

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 WEBB County.

Well Details

Well Number: 17
Max Depth: 9,600 ft
Drill Type: Vertical
County: WEBB
District: 4
Operator: ROSETTA RESOURCES OPERATING LP
Completed: 1994-05-28

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