COSTELLO NW. (BIG SALINE)
Field #20910300 · District 8 · --
Leases
4
Operators
8
Cum Oil
898 BBL
Cum Gas
137k MCF
Cum Cond
1k 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 |
|---|---|---|---|
| ERATZ INVESTMENTS INC. | 2 | 898 | 1997-06 |
| ROSELAND OIL & GAS, INC. | 1 | 0 | 1997-08 |
| TOWER RESOURCES INC | 1 | 0 | 2016-05 |
Lease Types
Leases (4)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | WHARTON | ERATZ INVESTMENTS INC. | 898 | 11k | 1996-05 | 1997-06 |
| Gas | WHARTON | ERATZ INVESTMENTS INC. | 0 | 0 | 1997-07 | -- |
| Gas | REAGAN, M. L. | ROSELAND OIL & GAS, INC. | 0 | 61k | 1993-01 | 1997-08 |
| Gas | REAGAN, M. L. | TOWER RESOURCES INC | 0 | 76k | 1993-01 | 2016-05 |