DONNELLY, NORTH (GRAYBURG)
Field #25349500 · District 10 · --
Leases
5
Operators
11
Cum Oil
170k BBL
Cum Gas
1.2M 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 |
|---|---|---|---|
| SUNDOWN ENERGY LP | 2 | 13k | 2002-11 |
| OLSEN ENERGY INC. | 1 | 0 | 2026-03 |
| UNITEX OIL & GAS, L.L.C. | 1 | 155k | 2026-04 |
| PENNANT DEV. AND PROD., LLC | 1 | 2k | 2013-03 |
Lease Types
Leases (5)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | JOHNSON | UNITEX OIL & GAS, L.L.C. | 155k | 263k | 1993-01 | 2026-04 |
| Oil | JOHNSON, J. L. | SUNDOWN ENERGY LP | 8k | 29k | 1993-01 | 2002-11 |
| Oil | COWDEN | SUNDOWN ENERGY LP | 5k | 249k | 1993-01 | 1999-10 |
| Oil | JOHNSON, J. L., JR., ETAL | PENNANT DEV. AND PROD., LLC | 2k | 20k | 1993-01 | 2013-03 |
| Gas | JOHNSON | OLSEN ENERGY INC. | 0 | 1.2M | 1993-01 | 2026-03 |