HEYSER (5400 #1)
Field #40957594 · District 2 · --
Leases
20
Operators
14
Cum Oil
37k BBL
Cum Gas
2.7M MCF
Cum Cond
8k 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 |
|---|---|---|---|
| XOG OPERATING LLC | 10 | 25k | 2016-03 |
| SYNERGY PRODUCTION COMPANY | 4 | 0 | 2023-10 |
| UNIT PETROLEUM COMPANY | 4 | 12k | 1998-05 |
| EXXON CORP. | 2 | 0 | -- |
Lease Types
Leases (20)
| TYPE | LEASE | OPERATOR | OIL (BBL) | GAS (MCF) | FIRST | LAST |
|---|---|---|---|---|---|---|
| Oil | WELDER, E.H. MRS | XOG OPERATING LLC | 24k | 51k | 1996-08 | 1998-05 |
| Oil | WELDER, MRS. E. H. | UNIT PETROLEUM COMPANY | 12k | 70k | 1997-02 | 1998-02 |
| Oil | WELDER, P. H., -A- | XOG OPERATING LLC | 548 | 47 | 1993-01 | 2016-03 |
| Oil | WELDER, E. H., MRS. | XOG OPERATING LLC | 527 | 15k | 1993-01 | 1993-08 |
| Gas | WELDER, P.H. "C" | SYNERGY PRODUCTION COMPANY | 0 | 260k | 1994-01 | 2023-10 |
| Gas | WELDER, P. H. -C- | SYNERGY PRODUCTION COMPANY | 0 | 0 | 1993-01 | -- |
| Gas | WELDER, E. H. MRS. | XOG OPERATING LLC | 0 | 151k | 1993-01 | 2008-11 |
| Gas | WELDER, P. H. 'A' | XOG OPERATING LLC | 0 | 101k | 1993-01 | 1999-08 |
| Gas | WELDER "A" | XOG OPERATING LLC | 0 | 5k | 1998-12 | 1999-03 |
| Gas | WELDER, MRS. E. H. | UNIT PETROLEUM COMPANY | 0 | 26k | 1998-03 | 1998-05 |
| Gas | WELDER, PATRICK H. -A- | EXXON CORP. | 0 | 0 | 1993-01 | -- |
| Gas | WELDER, E. H. MRS. | XOG OPERATING LLC | 0 | 80k | 1993-01 | 2011-12 |
| Gas | WELDER, P. H. 'A' | XOG OPERATING LLC | 0 | 807k | 1993-01 | 2012-09 |
| Gas | WELDER, E. H. MRS. | UNIT PETROLEUM COMPANY | 0 | 33k | 1996-04 | 1996-08 |
| Gas | WELDER, P.H. "C" | SYNERGY PRODUCTION COMPANY | 0 | 478k | 1993-05 | 2019-03 |
| Gas | WELDER, P.H -C- | SYNERGY PRODUCTION COMPANY | 0 | 398k | 1993-01 | 2020-07 |
| Gas | WELDER, P.H. -B- | UNIT PETROLEUM COMPANY | 0 | 0 | 1994-01 | -- |
| Gas | WELDER, P. H. "A" | EXXON CORP. | 0 | 0 | 1993-01 | -- |
| Gas | WELDER, P.H. "A" | XOG OPERATING LLC | 0 | 321k | 1993-01 | 2011-10 |
| Gas | WELDER, PATRICK H. 'A' | XOG OPERATING LLC | 0 | 735 | 1993-01 | 1993-08 |