TOM OCONNOR (4200)
Field #90534315 · District 2 · --
Leases
72
Operators
9
Cum Oil
0 BBL
Cum Gas
15.3M MCF
Cum Cond
89 BBL
Production
1993-01 — 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 |
|---|---|---|---|
| QUINTANA PET. CORP. | 33 | 0 | 2021-01 |
| HILCORP ENERGY COMPANY | 26 | 0 | 2020-08 |
| T-C OIL COMPANY, LLC | 10 | 0 | 2010-11 |
| PENNZOIL EXPLORATION & PROD. CO. | 2 | 0 | 2015-06 |
| COPANO GAS UNIT | 1 | 0 | 1996-07 |
Lease Types
Leases (72)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Gas | WILLIAMS, MAUDE ET AL "A" | HILCORP ENERGY COMPANY | 0 | 303k | 2001-01 | 2008-10 |
| Gas | OCONNOR, THOMAS -D- | QUINTANA PET. CORP. | 0 | 0 | 1993-01 | -- |
| Gas | HEARD, MRS. FANNIE V. W. | QUINTANA PET. CORP. | 0 | 504k | 1993-01 | 2006-01 |
| Gas | HEARD, CLAUDE E. ET AL | HILCORP ENERGY COMPANY | 0 | 0 | 2016-02 | -- |
| Gas | HEARD, CLAUDE E. ET AL | HILCORP ENERGY COMPANY | 0 | 11k | 2011-08 | 2012-09 |
| Gas | HEARD, CLEMENT | QUINTANA PET. CORP. | 0 | 216k | 1997-12 | 2010-02 |
| Gas | O'CONNOR, THOMAS 'C' | QUINTANA PET. CORP. | 0 | 243k | 1999-09 | 2006-12 |
| Gas | REILLY, ANNIE | QUINTANA PET. CORP. | 0 | 392k | 1993-01 | 2002-11 |
| Gas | COPANO GAS UNIT | T - C OIL COMPANY | 0 | 330k | 1993-01 | 2006-01 |
| Gas | HEARD, FANNIE V. W., MRS. | HILCORP ENERGY COMPANY | 0 | 36k | 2007-08 | 2010-10 |
| Gas | HEARD, FANNIE V. W. MRS. | HILCORP ENERGY COMPANY | 0 | 7k | 2008-06 | 2009-12 |
| Gas | WILLIAMS, MAUDE ET AL 'A' | QUINTANA PET. CORP. | 0 | 39k | 1997-02 | 2001-01 |
| Gas | HEARD, FANNIE V. W. MRS. | QUINTANA PET. CORP. | 0 | 791k | 1993-01 | 2021-01 |
| Gas | HEARD, FANNIE V.W. MRS. | HILCORP ENERGY COMPANY | 0 | 62k | 2008-03 | 2020-08 |
| Gas | WILLIAMS, MAUDE ET AL -A- | QUINTANA PET. CORP. | 0 | 240k | 1993-01 | 2005-05 |
| Gas | HEARD, CLAUDE E. ET AL | QUINTANA PET. CORP. | 0 | 676k | 1993-08 | 2014-02 |
| Gas | HEARD, IRA "A" | QUINTANA PET. CORP. | 0 | 118k | 1995-11 | 2002-09 |
| Gas | O'CONNOR, THOMAS -A- | QUINTANA PET. CORP. | 0 | 110k | 1996-11 | 2000-03 |
| Gas | WILLIAMS, MAUDE ET AL "C" | QUINTANA PET. CORP. | 0 | 133k | 1993-01 | 1998-06 |
| Gas | HEARD, FANNIE V.W. MRS. | HILCORP ENERGY COMPANY | 0 | 110k | 2006-05 | 2010-11 |
| Gas | O'CONNOR, THOMAS 'C' | QUINTANA PET. CORP. | 0 | 96k | 1999-12 | 2004-10 |
| Gas | MAUDE WILLIAMS ET AL "B" | HILCORP ENERGY COMPANY | 0 | 0 | 2010-11 | -- |
| Gas | OCONNOR, THOMAS -A- | QUINTANA PET. CORP. | 0 | 617k | 1993-01 | 2008-08 |
| Gas | O'CONNOR, THOMAS "C" | QUINTANA PET. CORP. | 0 | 511k | 1993-01 | 2007-03 |
| Gas | THOMAS O'CONNOR -E- | T-C OIL COMPANY, LLC | 0 | 166k | 1994-04 | 1999-08 |
| Gas | COPANO GAS UNIT | T-C OIL COMPANY, LLC | 0 | 19 | 2010-11 | 2010-11 |
| Gas | O'CONNOR, THOMAS "C" | QUINTANA PET. CORP. | 0 | 383k | 1996-09 | 2010-09 |
| Gas | HEARD, IRA 'A' | QUINTANA PET. CORP. | 0 | 26k | 1997-09 | 2000-01 |
| Gas | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 0 | 6k | 2006-08 | 2011-04 |
| Gas | O'CONNOR, THOMAS -A- | HILCORP ENERGY COMPANY | 0 | 285k | 2001-03 | 2011-09 |
| Gas | LAMBERT, M. F. | PENNZOIL EXPLORATION & PROD. CO. | 0 | 594k | 1995-12 | 2010-12 |
| Gas | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 0 | 56k | 2006-01 | 2009-09 |
| Gas | O'CONNOR, THOMAS -D- | T - C OIL COMPANY | 0 | 160k | 1999-01 | 2004-02 |
| Gas | LAMBERT, M. F. | PENNZOIL EXPLORATION & PROD. CO. | 0 | 966k | 1993-01 | 2015-06 |
| Gas | LAMBERT GAS UNIT | HILCORP ENERGY COMPANY | 0 | 7k | 2011-05 | 2013-04 |
| Gas | WILLIAMS, MAUDE ET AL "B" | QUINTANA PET. CORP. | 0 | 541k | 1993-02 | 2003-08 |
| Gas | WILLIAMS, MAUDE ET AL -B- | HILCORP ENERGY COMPANY | 0 | 4k | 2010-11 | 2011-04 |
| Gas | O'CONNOR, THOMAS "A" | QUINTANA PET. CORP. | 0 | 168k | 1996-06 | 1999-12 |
| Gas | WILLIAMS, MAUDE ET AL 'B' | QUINTANA PET. CORP. | 0 | 290k | 1998-05 | 2007-02 |
| Gas | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 0 | 163k | 2002-01 | 2005-09 |
| Gas | CLEMENT HEARD | HILCORP ENERGY COMPANY | 0 | 66k | 2004-12 | 2010-10 |
| Gas | THOMAS O'CONNOR "C" | HILCORP ENERGY COMPANY | 0 | 0 | 2012-03 | -- |
| Gas | WILLIAMS, MAUDE ET AL -A- | QUINTANA PET. CORP. | 0 | 229k | 1993-01 | 1997-05 |
| Gas | WILLIAMS, MAUDE ET AL -A- | QUINTANA PET. CORP. | 0 | 127k | 1998-03 | 2006-03 |
| Gas | HEARD, CLAUDE | QUINTANA PET. CORP. | 0 | 405k | 1993-01 | 2010-09 |
| Gas | O'CONNOR, THOMAS "A" | QUINTANA PET. CORP. | 0 | 280k | 1993-01 | 1999-09 |
| Gas | O'CONNOR, THOMAS -C- | QUINTANA PET. CORP. | 0 | 546k | 1997-11 | 2011-03 |
| Gas | BAUER, MARY CLAIRE ET VIR | QUINTANA PET. CORP. | 0 | 69k | 1997-12 | 2002-08 |
| Gas | HEARD, CLAUDE E. , ET AL | QUINTANA PET. CORP. | 0 | 364k | 1993-01 | 2006-02 |
| Gas | LAMBERT GAS UNIT | HILCORP ENERGY COMPANY | 0 | 445 | 2008-03 | 2008-07 |
| Gas | HEARD, CLEMENT | HILCORP ENERGY COMPANY | 0 | 66k | 2005-12 | 2009-03 |
| Gas | WILLIAMS, MAUDE ET AL -A- | HILCORP ENERGY COMPANY | 0 | 673 | 2017-01 | 2017-02 |
| Gas | COPANO GAS UNIT | T - C OIL COMPANY | 0 | 394k | 1998-03 | 2008-03 |
| Gas | COPANO GAS UNIT | T - C OIL COMPANY | 0 | 77k | 1993-01 | 1998-10 |
| Gas | MRS. FANNIE V. W. HEARD | HILCORP ENERGY COMPANY | 0 | 678 | 2011-12 | 2012-02 |
| Gas | OCONNOR, THOMAS -D- | T - C OIL COMPANY | 0 | 125k | 1993-01 | 1998-12 |
| Gas | HEARD, FANNIE V. W. MRS. | QUINTANA PET. CORP. | 0 | 554k | 1993-01 | 2000-01 |
| Gas | LAMBERT, M.F. | HILCORP ENERGY COMPANY | 0 | 134 | 2005-07 | 2005-07 |
| Gas | COPANO GAS UNIT | T - C OIL COMPANY | 0 | 45k | 1993-01 | 1995-02 |
| Gas | ANNIE REILLY ET VIR | HILCORP ENERGY COMPANY | 0 | 0 | 2011-12 | -- |
| Gas | HEARD, FANNIE V. W. MRS. | QUINTANA PET. CORP. | 0 | 859k | 1996-06 | 2014-11 |
| Gas | COPANO GAS UNIT | T - C OIL COMPANY | 0 | 244k | 1993-01 | 1998-10 |
| Gas | HEARD, FANNIE V. W. MRS. | QUINTANA PET. CORP. | 0 | 721k | 1994-10 | 2017-08 |
| Gas | WILLIAMS, MAUDE ET AL 'A' | QUINTANA PET. CORP. | 0 | 58k | 1997-02 | 1998-09 |
| Gas | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 0 | 189 | 2012-03 | 2012-03 |
| Gas | HEARD, FANNIE V.W. MRS. | HILCORP ENERGY COMPANY | 0 | 83k | 2006-09 | 2012-09 |
| Gas | COPANO GAS UNIT | COPANO GAS UNIT | 0 | 229k | 1993-01 | 1996-07 |
| Gas | COPANO GAS UNIT | T - C OIL COMPANY | 0 | 0 | 2005-03 | -- |
| Gas | HEARD, CLEMENT | QUINTANA PET. CORP. | 0 | 198k | 1993-01 | 2001-05 |
| Gas | LAMBERT, M. F. | HILCORP ENERGY COMPANY | 0 | 20k | 2001-03 | 2002-01 |
| Gas | HEARD, FANNIE, V. W. MRS. | HILCORP ENERGY COMPANY | 0 | 78k | 2008-05 | 2011-03 |
| Gas | BAUER, CLAIRE MARY ET VIR | QUINTANA PET. CORP. | 0 | 108k | 1993-04 | 1997-03 |