OCONNOR RANCH (FRIO CONS.)
Field #66710200 · District 2 · --
Leases
86
Operators
12
Cum Oil
224 BBL
Cum Gas
35.3M MCF
Cum Cond
11k BBL
Production
2000-08 — 2026-07
Production History Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]
RRC production reported through Apr 2026 · recent months incomplete
Type Curve (normalized avg across leases)
Click Load to compute type curve from lease data
Top Operators
| OPERATOR | LEASES | OIL (BBL) | LAST |
|---|---|---|---|
| CHARRO OPERATING, L.L.C. | 33 | 0 | 2019-07 |
| EDGE PETROLEUM OPER. CO., INC. | 11 | 224 | 2006-05 |
| MILAGRO EXPLORATION, LLC | 8 | 0 | 2014-05 |
| TEXACO E & P INC. | 8 | 0 | 2004-03 |
| KCS RESOURCES, INC. | 7 | 0 | 2007-07 |
| XTO ENERGY INC. | 7 | 0 | 2025-12 |
| WHITE OAK OPERATING COMPANY LLC | 6 | 0 | 2025-08 |
| SMITH OPERATING AND MGMT CO. | 5 | 0 | 2013-04 |
| CHEVRON U. S. A. INC. | 1 | 0 | 2003-06 |
Lease Types
Leases (86)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | DONOGHUE | EDGE PETROLEUM OPER. CO., INC. | 224 | 0 | 2005-07 | 2006-01 |
| Gas | O'CONNOR RANCH | WHITE OAK OPERATING COMPANY LLC | 0 | 559k | 2005-05 | 2025-08 |
| Gas | PARKS RANCH | CHARRO OPERATING, L.L.C. | 0 | 0 | 2003-07 | -- |
| Gas | RIVER RANCH E | CHARRO OPERATING, L.L.C. | 0 | 0 | 2003-10 | -- |
| Gas | RIVER RANCH "F" | CHARRO OPERATING, L.L.C. | 0 | 491k | 2009-02 | 2012-08 |
| Gas | PARKS RANCH | CHARRO OPERATING, L.L.C. | 0 | 2k | 2003-07 | 2003-08 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 191k | 2005-04 | 2008-11 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 65k | 2005-04 | 2006-01 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 73k | 2004-01 | 2007-02 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 730k | 2005-04 | 2014-05 |
| Gas | O'CONNOR RANCH "B" | XTO ENERGY INC. | 0 | 1.4M | 2000-10 | 2025-08 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 341k | 2004-01 | 2005-12 |
| Gas | RIVER RANCH E | CHARRO OPERATING, L.L.C. | 0 | 826k | 2003-10 | 2008-02 |
| Gas | RIVER RANCH E | CHARRO OPERATING, L.L.C. | 0 | 0 | 2003-10 | -- |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 1.2M | 2004-01 | 2016-01 |
| Gas | BURROWS GAS UNIT | SMITH OPERATING AND MGMT CO. | 0 | 459k | 2003-05 | 2013-04 |
| Gas | THWING GAS UNIT | SMITH OPERATING AND MGMT CO. | 0 | 1.4M | 2003-07 | 2013-04 |
| Gas | PARKS RANCH | CHARRO OPERATING, L.L.C. | 0 | 33k | 2004-01 | 2004-08 |
| Gas | PARKS RANCH | CHARRO OPERATING, L.L.C. | 0 | 49k | 2003-07 | 2003-12 |
| Gas | O'CONNOR RANCH | WHITE OAK OPERATING COMPANY LLC | 0 | 394k | 2005-05 | 2025-08 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 706k | 2004-01 | 2007-11 |
| Gas | DONOGHUE F | SMITH OPERATING AND MGMT CO. | 0 | 160k | 2004-03 | 2009-01 |
| Gas | O'CONNOR RANCH "O" | TEXACO E & P INC. | 0 | 265k | 2001-02 | 2002-01 |
| Gas | O'CONNOR RANCH "G" | TEXACO E & P INC. | 0 | 389k | 2001-10 | 2003-11 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 181k | 2005-04 | 2010-08 |
| Gas | RIVER RANCH A | CHARRO OPERATING, L.L.C. | 0 | 46k | 2004-02 | 2004-12 |
| Gas | O'CONNOR RANCH "C" | TEXACO E & P INC. | 0 | 215k | 2001-07 | 2003-10 |
| Gas | PARKS RANCH | CHARRO OPERATING, L.L.C. | 0 | 10k | 2004-08 | 2005-02 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 11k | 2005-05 | 2005-08 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 149k | 2004-01 | 2016-01 |
| Gas | MCCAMPBELL | MILAGRO EXPLORATION, LLC | 0 | 296k | 2006-06 | 2010-04 |
| Gas | O'CONNOR RANCH "T" | XTO ENERGY INC. | 0 | 983k | 2000-11 | 2025-12 |
| Gas | O'CONNOR RANCH | WHITE OAK OPERATING COMPANY LLC | 0 | 986k | 2005-01 | 2021-10 |
| Gas | O'CONNOR RANCH "R" | XTO ENERGY INC. | 0 | 1.1M | 2000-10 | 2025-12 |
| Gas | RIVER RANCH E | CHARRO OPERATING, L.L.C. | 0 | 43k | 2003-11 | 2005-12 |
| Gas | O'CONNOR RANCH "B" | XTO ENERGY INC. | 0 | 1.0M | 2000-09 | 2025-08 |
| Gas | O'CONNOR RANCH "Q" | TEXACO E & P INC. | 0 | 543k | 2000-11 | 2003-09 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 31k | 2005-05 | 2007-08 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 133k | 2005-03 | 2005-12 |
| Gas | O'CONNOR RANCH "B" | TEXACO E & P INC. | 0 | 243k | 2000-08 | 2001-03 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 1.1M | 2005-06 | 2012-03 |
| Gas | DONOGHUE | SMITH OPERATING AND MGMT CO. | 0 | 604k | 2002-12 | 2007-12 |
| Gas | RIVER RANCH E | CHARRO OPERATING, L.L.C. | 0 | 634k | 2003-10 | 2006-04 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 503k | 2009-08 | 2017-04 |
| Gas | O'CONNOR RANCH "R" | XTO ENERGY INC. | 0 | 606k | 2000-10 | 2008-03 |
| Gas | HANLEY HICKS | EDGE PETROLEUM OPER. CO., INC. | 0 | 588k | 2003-08 | 2005-06 |
| Gas | O'CONNOR RANCH | WHITE OAK OPERATING COMPANY LLC | 0 | 747k | 2005-04 | 2025-08 |
| Gas | O'CONNOR COUNTS | EDGE PETROLEUM OPER. CO., INC. | 0 | 570k | 2003-03 | 2004-09 |
| Gas | RIVER RANCH A | CHARRO OPERATING, L.L.C. | 0 | 664k | 2003-08 | 2004-12 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 91k | 2004-03 | 2005-07 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 186k | 2004-01 | 2011-03 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 108k | 2005-07 | 2012-11 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 100k | 2005-04 | 2006-04 |
| Gas | DONOGHUE | EDGE PETROLEUM OPER. CO., INC. | 0 | 759k | 2003-03 | 2006-05 |
| Gas | O'CONNOR RANCH "B" | TEXACO E & P INC. | 0 | 744k | 2000-08 | 2004-03 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 207k | 2005-04 | 2010-10 |
| Gas | O'CONNOR RANCH "J" | CHEVRON U. S. A. INC. | 0 | 110k | 2001-09 | 2003-06 |
| Gas | O'CONNOR RANCH | WHITE OAK OPERATING COMPANY LLC | 0 | 213k | 2005-04 | 2019-10 |
| Gas | O'CONNOR COUNTS | EDGE PETROLEUM OPER. CO., INC. | 0 | 11k | 2003-09 | 2004-02 |
| Gas | O'CONNOR RANCH "R" | TEXACO E & P INC. | 0 | 301k | 2000-10 | 2001-12 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 214k | 2009-09 | 2013-09 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 87k | 2005-05 | 2007-07 |
| Gas | RIVER RANCH C | CHARRO OPERATING, L.L.C. | 0 | 2.5M | 2003-08 | 2011-10 |
| Gas | DONOGHUE | SMITH OPERATING AND MGMT CO. | 0 | 97k | 2003-07 | 2008-05 |
| Gas | DONOGHUE GAS UNIT | EDGE PETROLEUM OPER. CO., INC. | 0 | 464k | 2004-01 | 2005-04 |
| Gas | DONOGHUE | EDGE PETROLEUM OPER. CO., INC. | 0 | 65k | 2002-12 | 2003-10 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 58k | 2004-01 | 2005-11 |
| Gas | RIVER RANCH C | CHARRO OPERATING, L.L.C. | 0 | 1.1M | 2003-11 | 2010-06 |
| Gas | O'CONNOR COUNTS | EDGE PETROLEUM OPER. CO., INC. | 0 | 569k | 2003-05 | 2006-04 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 7k | 2005-05 | 2005-09 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 48k | 2005-04 | 2006-03 |
| Gas | O'CONNOR RANCH "M" | XTO ENERGY INC. | 0 | 108k | 2003-03 | 2007-07 |
| Gas | RIVER RANCH B | CHARRO OPERATING, L.L.C. | 0 | 934k | 2003-08 | 2006-03 |
| Gas | O'CONNOR RANCH | KCS RESOURCES, INC. | 0 | 192k | 2005-05 | 2007-07 |
| Gas | RIVER RANCH "F" | CHARRO OPERATING, L.L.C. | 0 | 788k | 2009-02 | 2019-07 |
| Gas | O'CONNOR RANCH "B" | XTO ENERGY INC. | 0 | 730k | 2000-09 | 2025-08 |
| Gas | RIVER RANCH B | CHARRO OPERATING, L.L.C. | 0 | 407k | 2006-03 | 2009-03 |
| Gas | DONOGHUE | EDGE PETROLEUM OPER. CO., INC. | 0 | 538k | 2002-11 | 2005-01 |
| Gas | HENSLEY, J. W. ET AL, TR. | TEXACO E & P INC. | 0 | 169k | 2001-10 | 2003-09 |
| Gas | O'CONNOR RANCH | MILAGRO EXPLORATION, LLC | 0 | 112k | 2005-04 | 2008-08 |
| Gas | DONOGHUE GAS UNIT 5-E | EDGE PETROLEUM OPER. CO., INC. | 0 | 0 | 2003-06 | -- |
| Gas | RIVER RANCH B | CHARRO OPERATING, L.L.C. | 0 | 129k | 2003-08 | 2006-03 |
| Gas | RIVER RANCH D | CHARRO OPERATING, L.L.C. | 0 | 1.5M | 2003-12 | 2017-03 |
| Gas | O'CONNOR COUNTS | EDGE PETROLEUM OPER. CO., INC. | 0 | 62k | 2003-03 | 2003-06 |
| Gas | RIVER RANCH | CHARRO OPERATING, L.L.C. | 0 | 14k | 2009-08 | 2009-12 |
| Gas | O'CONNOR RANCH | WHITE OAK OPERATING COMPANY LLC | 0 | 0 | 2008-03 | -- |