< leases

GRAHAM "48"

Oil · District 08 · Lease #28534

Operator: HEC PETROLEUM, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

147k BBL

Cum Gas

244k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 146,676 BBL Cum Gas: 244,400 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2008-02 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 203 mo
2005-10 — 2008-01 ALTO MINERALS, INC. 28 mo
2002-01 — 2005-09 HEC PETROLEUM, INC. 45 mo
1994-12 — 2001-12 HALLWOOD PETROLEUM, INC. 85 mo
1993-01 — 1994-11 HALLWOOD ENERGY CORPORATION 23 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-329-35866DIAMONDBACK E&P LLC212,0002018-06-11
342-329-37579DIAMONDBACK E&P LLC112,0002011-08-26
142-329-31213DIAMONDBACK E&P LLC19,1001983-09-15