TOM OCONNOR (5400 SAND)
Field #90534625 · District 2 · --
Leases
22
Operators
10
Cum Oil
363k BBL
Cum Gas
1.2M MCF
Cum Cond
3k 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 | 10 | 11k | 2015-08 |
| QUINTANA PET. CORP. | 5 | 279k | 2023-02 |
| T-C OIL COMPANY, LLC | 5 | 72k | 2012-01 |
| PENNZOIL EXPLORATION & PROD. CO. | 2 | 351 | 2008-08 |
Lease Types
Leases (22)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | O'CONNOR, THOMAS "A" | QUINTANA PET. CORP. | 273k | 1.0M | 1993-01 | 2023-02 |
| Oil | OCONNOR, THOMAS -B- | T-C OIL COMPANY, LLC | 43k | 133k | 1993-01 | 2012-01 |
| Oil | HEARD, CLAUDE E. ET AL | HILCORP ENERGY COMPANY | 11k | 42k | 2002-10 | 2009-03 |
| Oil | NORDAN,L.A. - OCONNOR,THOS.,EST. | T-C OIL COMPANY, LLC | 11k | 17k | 1993-01 | 1998-06 |
| Oil | OCONNOR, THOMAS -A- | T-C OIL COMPANY, LLC | 10k | 18k | 1993-01 | 1998-06 |
| Oil | OCONNOR, THOMAS -E- | T-C OIL COMPANY, LLC | 8k | 6k | 1993-01 | 2010-09 |
| Oil | WILLIAMS MAUDE ET AL -A- | QUINTANA PET. CORP. | 5k | 10k | 1993-10 | 2016-11 |
| Oil | O'CONNOR, THOMAS "C" | QUINTANA PET. CORP. | 1k | 7k | 1996-02 | 1997-10 |
| Oil | THOMAS O'CONNOR "C" | HILCORP ENERGY COMPANY | 611 | 611 | 2011-10 | 2012-08 |
| Oil | LAMBERT, M. F. | PENNZOIL EXPLORATION & PROD. CO. | 351 | 9k | 1993-01 | 2008-08 |
| Gas | HEARD, WILSON 'A' | QUINTANA PET. CORP. | 0 | 72k | 1993-01 | 1994-04 |
| Gas | REILLY, ANNIE ET VIR | HILCORP ENERGY COMPANY | 0 | 37k | 2013-10 | 2015-08 |
| Gas | O'CONNOR, THOMAS -A- | QUINTANA PET. CORP. | 0 | 774k | 1993-01 | 2005-06 |
| Oil | LAMBERT, M. F. "A" | HILCORP ENERGY COMPANY | 0 | 0 | 2007-04 | -- |
| Oil | O'CONNOR, THOMAS "A" | HILCORP ENERGY COMPANY | 0 | 0 | 2004-05 | -- |
| Gas | O'CONNOR, THOMAS "A" | HILCORP ENERGY COMPANY | 0 | 70k | 2007-02 | 2011-04 |
| Gas | O'CONNOR, THOMAS "A" | HILCORP ENERGY COMPANY | 0 | 0 | 2011-09 | -- |
| Gas | THOMAS O'CONNOR 'A' | HILCORP ENERGY COMPANY | 0 | 4k | 2013-09 | 2014-04 |
| Oil | NORDAN & MORRIS, THOMAS O'CONNOR | T-C OIL COMPANY, LLC | 0 | 0 | 2011-04 | -- |
| Gas | LAMBERT, M. F. | PENNZOIL EXPLORATION & PROD. CO. | 0 | 16k | 1993-01 | 1994-04 |
| Gas | O'CONNOR, THOMAS "A" | HILCORP ENERGY COMPANY | 0 | 206k | 2001-12 | 2005-04 |
| Gas | O'CONNOR, THOMAS "A" | HILCORP ENERGY COMPANY | 0 | 0 | 2012-09 | -- |