W. Z. B. (GRAYBURG)
Field #94475500 · District 10 · --
Leases
7
Operators
12
Cum Oil
81k BBL
Cum Gas
0 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 |
|---|---|---|---|
| PIONEER NATURAL RES. USA, INC. | 2 | 53 | 1994-09 |
| W D W OPERATORS, INC. | 1 | 0 | -- |
| SANTA FE SNYDER CORPORATION | 1 | 36k | 2010-07 |
| ALLEDER INC. | 1 | 24k | 2021-08 |
| OXYROCK OPERATING, LLC | 1 | 22k | 2026-04 |
| OXYROCK OPERATING, LLC | 1 | 0 | -- |
Lease Types
Leases (7)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | ZANT -11- | SANTA FE SNYDER CORPORATION | 36k | 2k | 1993-01 | 2010-07 |
| Oil | GUNN | ALLEDER INC. | 24k | 21 | 1993-01 | 2021-08 |
| Oil | BUTLER GRAYBURG | OXYROCK OPERATING, LLC | 22k | 11k | 2002-11 | 2026-04 |
| Oil | WEYMAN "F" | PIONEER NATURAL RES. USA, INC. | 53 | 8 | 1993-01 | 1994-09 |
| Oil | BRUNSON, GLEN S. | W D W OPERATORS, INC. | 0 | 0 | 1993-01 | -- |
| Oil | WEYMAN | PIONEER NATURAL RES. USA, INC. | 0 | 0 | 1993-08 | -- |
| Oil | CORNWALLIS | OXYROCK OPERATING, LLC | 0 | 0 | 2023-12 | -- |