TOM OCONNOR (5450 SAND)
Field #90534700 · District 2 · --
Leases
36
Operators
13
Cum Oil
878k BBL
Cum Gas
2.7M MCF
Cum Cond
107 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 |
|---|---|---|---|
| HILCORP ENERGY COMPANY | 16 | 33k | 2015-02 |
| QUINTANA PET. CORP. | 15 | 588k | 2026-03 |
| PENNZOIL EXPLORATION & PROD. CO. | 2 | 166k | 2025-05 |
| T-C OIL COMPANY, LLC | 2 | 12k | 2008-08 |
| KOVAR OPERATING, LLC | 1 | 79k | 2020-03 |
Lease Types
Leases (36)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | WILLIAMS, MAUDE, ET AL -A- | QUINTANA PET. CORP. | 314k | 643k | 1993-01 | 2026-03 |
| Oil | OCONNOR, THOMAS -A- | QUINTANA PET. CORP. | 238k | 685k | 1993-01 | 2023-09 |
| Oil | LAMBERT, M. F. | PENNZOIL EXPLORATION & PROD. CO. | 166k | 421k | 1993-01 | 2025-05 |
| Oil | LAMBERT, M. F. | KOVAR OPERATING, LLC | 79k | 106k | 1993-01 | 2020-03 |
| Oil | WILLIAMS, MAUDE, ET AL -B- | QUINTANA PET. CORP. | 35k | 78k | 1993-01 | 2024-11 |
| Oil | OCONNOR, THOMAS -A- | T-C OIL COMPANY, LLC | 12k | 42k | 1993-01 | 2008-08 |
| Oil | O'CONNOR, THOMAS,-C- | HILCORP ENERGY COMPANY | 12k | 5k | 2011-07 | 2015-01 |
| Oil | LAMBERT, MARY F. | HILCORP ENERGY COMPANY | 9k | 36k | 1993-01 | 2008-12 |
| Oil | HEARD, FANNIE V. W. MRS. | HILCORP ENERGY COMPANY | 6k | 6k | 2008-06 | 2015-02 |
| Oil | IRA HEARD "B" | HILCORP ENERGY COMPANY | 3k | 259 | 2009-12 | 2014-01 |
| Oil | HEARD, CLAUDE E. ET AL | HILCORP ENERGY COMPANY | 1k | 13k | 2002-10 | 2004-04 |
| Oil | HEARD, FANNIE V. W. MRS. | HILCORP ENERGY COMPANY | 1k | 918 | 2005-09 | 2006-04 |
| Oil | HEARD, CLEMENT | HILCORP ENERGY COMPANY | 851 | 2k | 2007-03 | 2008-08 |
| Oil | WILLIAMS, MAUDE ET AL -C- | HILCORP ENERGY COMPANY | 359 | 30 | 2007-09 | 2013-04 |
| Oil | O'CONNOR, THOMAS "C" | QUINTANA PET. CORP. | 153 | 4k | 1994-09 | 1995-05 |
| Oil | HEARD, CLAUDE E. ET AL | HILCORP ENERGY COMPANY | 25 | 2k | 2007-06 | 2007-06 |
| Oil | HEARD, MRS. FANNIE V.W. | QUINTANA PET. CORP. | 0 | 0 | 1993-01 | -- |
| Gas | HEARD, MRS. FANNIE V. W. | QUINTANA PET. CORP. | 0 | 0 | 1999-06 | -- |
| Gas | BAUER, MARY CLAIRE ET VIR | HILCORP ENERGY COMPANY | 0 | 32k | 2007-01 | 2007-10 |
| Gas | O'CONNOR, THOMAS -C- | QUINTANA PET. CORP. | 0 | 358k | 2000-07 | 2008-10 |
| Gas | O'CONNOR, THOMAS "A" | QUINTANA PET. CORP. | 0 | 130k | 1997-05 | 2002-03 |
| Gas | HEARD, FANNIE V.W. MRS. | HILCORP ENERGY COMPANY | 0 | 11k | 2009-03 | 2014-05 |
| Gas | REILLY, ANNIE ET VIR | QUINTANA PET. CORP. | 0 | 489k | 1993-01 | 2000-05 |
| Gas | O'CONNOR, THOMAS 'C' | QUINTANA PET. CORP. | 0 | 85k | 1999-08 | 2001-01 |
| Gas | HEARD, FANNIE V. W. MRS. | QUINTANA PET. CORP. | 0 | 789k | 1993-01 | 2005-08 |
| Gas | HEARD, FANNIE V. W. MRS. | QUINTANA PET. CORP. | 0 | 393k | 1999-11 | 2011-09 |
| Gas | LAMBERT, M. F. | PENNZOIL EXPLORATION & PROD. CO. | 0 | 6k | 1993-01 | 1993-11 |
| Gas | HEARD, MRS. FANNIE V. W. | QUINTANA PET. CORP. | 0 | 6k | 1996-04 | 1997-01 |
| Oil | NORDAN, L.A., O'CONNOR, THOS. ES | T - C OIL COMPANY | 0 | 0 | 1993-01 | -- |
| Gas | O'CONNOR, THOMAS -C- | HILCORP ENERGY COMPANY | 0 | 17k | 2013-08 | 2013-12 |
| Gas | HEARD, CLEMENT | HILCORP ENERGY COMPANY | 0 | 33k | 2009-02 | 2012-12 |
| Gas | O' CONNOR, THOMAS "C" | QUINTANA PET. CORP. | 0 | 296k | 1993-01 | 1997-05 |
| Oil | OCONNOR, THOS., -C- | QUINTANA PET. CORP. | 0 | 0 | 1993-01 | -- |
| Gas | HEARD, CLEMENT | HILCORP ENERGY COMPANY | 0 | 1k | 2010-05 | 2010-12 |
| Gas | THOMAS O'CONNOR 'C' | HILCORP ENERGY COMPANY | 0 | 0 | 2014-07 | -- |
| Gas | O'CONNOR, THOMAS "C" | HILCORP ENERGY COMPANY | 0 | 34k | 2002-02 | 2003-04 |