< leases

SOUTH CALLAGHAN RANCH

Gas · District 04 · Lease #143678

Operator: ROSETTA RESOURCES OPERATING LP

Fields: BIG COWBOY (LOBO) ,SMALL COWBOY (LOBO 6)

Cum Oil

0 BBL

Cum Gas

606k MCF

Wells

1

Production

1993-01 — 1994-11

Peak Month

1993-01

Production History

Cum Oil: 0 BBL Cum Gas: 605,926 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2006-01 — 2011-12 ROSETTA RESOURCES OPERATING LP 72 mo
2002-08 — 2005-12 CALPINE NATURAL GAS L.P. 41 mo
2002-05 — 2002-07 CALPINE NATURAL GAS COMPANY L.P. 3 mo
2002-01 — 2002-04 CALPINE NATURAL GAS COMPANY 4 mo
1998-05 — 2001-12 MICHAEL PETROLEUM CORPORATION 44 mo
1993-01 — 1998-04 MOBIL PRODUCING TX. & N.M. INC. 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8942-479-35579ROSETTA RESOURCES OPERATING LP29,0501992-08-31