MARY ELLEN OCONNOR (FQ-40 SAND)
Field #57911338 · District 2 · --
Leases
8
Operators
7
Cum Oil
160k BBL
Cum Gas
104k 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 |
|---|---|---|---|
| QUINTANA PET. CORP. | 4 | 114k | 2018-03 |
| CITATION OIL & GAS CORP. | 1 | 0 | -- |
| PACE OIL AND GAS COMPANY | 1 | 45k | 2015-12 |
| HILCORP ENERGY COMPANY | 1 | 0 | 2009-10 |
| EMERALD OIL & GAS LC | 1 | 1k | 1996-03 |
Lease Types
Leases (8)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | O CONNOR, THOS. -B- | QUINTANA PET. CORP. | 76k | 186k | 1993-01 | 2018-03 |
| Oil | O'CONNOR, L. W. | PACE OIL AND GAS COMPANY | 45k | 280k | 1993-01 | 2015-12 |
| Oil | OCONNOR, THOS. -D- | QUINTANA PET. CORP. | 39k | 116k | 1993-01 | 2013-08 |
| Oil | O'CONNOR, MARY ELLEN | EMERALD OIL & GAS LC | 1k | 7k | 1995-09 | 1996-03 |
| Oil | OCONNOR, MARY ELLEN | CITATION OIL & GAS CORP. | 0 | 0 | 1993-01 | -- |
| Gas | O'CONNOR, THOMAS "B" | HILCORP ENERGY COMPANY | 0 | 17k | 2007-03 | 2009-10 |
| Gas | O'CONNOR, THOMAS "B" | QUINTANA PET. CORP. | 0 | 87k | 1993-02 | 2004-02 |
| Gas | O'CONNOR, THOMAS -B- | QUINTANA PET. CORP. | 0 | 0 | 1993-01 | -- |