HARTZENDORF EST.

Oil · District 02 · Lease #7840

Operator: WALLIS ENERGY, INC.

Fields: TYNAN, WEST (3600)

Cum Oil

0 BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-07

Peak Month

1993-01

Production History

Cum Oil: 0 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2024-08 — current TEXAS, LES & CO. 24 mo

2003-06 — 2024-07 WALLIS ENERGY, INC. 254 mo

1998-05 — 2003-05 HARVEY BROTHERS OIL & GAS 61 mo

1996-11 — 1998-04 L & F DRILLING CO., INC. (1) 18 mo

1993-04 — 1996-10 CASKIDS OPERATING COMPANY 43 mo

1993-01 — 1993-03 GULF SANDS OIL CO. 3 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-025-31440	GULF SANDS OIL CO.	1	4,309	1980-11-14