TOM OCONNOR (5250)
Field #90534550 · District 2 · --
Leases
14
Operators
9
Cum Oil
307k BBL
Cum Gas
207k MCF
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 |
|---|---|---|---|
| HILCORP ENERGY COMPANY | 8 | 3k | 2021-10 |
| QUINTANA PET. CORP. | 2 | 70k | 2020-01 |
| COPANO GAS UNIT | 1 | 0 | 1994-02 |
| PENNZOIL EXPLORATION & PROD. CO. | 1 | 86k | 2023-11 |
| T - C OIL COMPANY | 1 | 95k | 2001-01 |
| KOVAR OPERATING, LLC | 1 | 53k | 2012-04 |
Lease Types
Leases (14)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | COPANO GAS UNIT | T - C OIL COMPANY | 95k | 231k | 1994-02 | 2001-01 |
| Oil | LAMBERT, M.F. | PENNZOIL EXPLORATION & PROD. CO. | 86k | 295k | 1993-01 | 2023-11 |
| Oil | HEARD, MRS. FANNIE V. W. | QUINTANA PET. CORP. | 69k | 106k | 1998-12 | 2020-01 |
| Oil | LAMBERT, M.F. | KOVAR OPERATING, LLC | 53k | 57k | 1994-05 | 2012-04 |
| Oil | WILLIAMS, MAUDE ET AL "A" | HILCORP ENERGY COMPANY | 3k | 2k | 2003-04 | 2008-10 |
| Oil | WILLIAMS, MAUDE ET AL "A" | QUINTANA PET. CORP. | 882 | 2k | 1993-06 | 1993-12 |
| Oil | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 394 | 440 | 2000-09 | 2002-01 |
| Oil | THOMAS O'CONNOR "A" | HILCORP ENERGY COMPANY | 114 | 0 | 2011-05 | 2021-10 |
| Gas | COPANO GAS UNIT | COPANO GAS UNIT | 0 | 3k | 1993-01 | 1994-02 |
| Gas | LAMBERT GAS UNIT | HILCORP ENERGY COMPANY | 0 | 0 | 2007-01 | -- |
| Gas | MRS. FANNIE V. W. HEARD | HILCORP ENERGY COMPANY | 0 | 5 | 2016-07 | 2016-07 |
| Oil | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 0 | 0 | 2002-01 | -- |
| Gas | LAMBERT, M. F. | HILCORP ENERGY COMPANY | 0 | 198k | 2000-12 | 2006-03 |
| Gas | THOMAS O'CONNOR 'C' | HILCORP ENERGY COMPANY | 0 | 7k | 2016-04 | 2020-12 |