MOBIL ATLANTIC -9-

Oil · District 8A · Lease #68728

Operator: SPINDLETOP DRILLING CO.

Cum Oil

26k BBL

Cum Gas

0 MCF

Wells

1

Production

2004-06 — 2006-12

Peak Month

2004-09

Production History

Cum Oil: 26,316 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,993 BBL/mo

Di (annual)

105.2%

b-factor

0.0

EUR

22,751 BBL

R-squared

0.753

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 FORMATION RESOUR FIELD SVCS, LLC 31 mo
2011-04 — 2023-12 SPINDLETOP DRILLING CO. 153 mo
2011-02 — 2011-03 GIANT NRG CO., LP 2 mo
2007-05 — 2011-01 PRIME OPERATING COMPANY 45 mo
2004-06 — 2007-04 PLATINUM EXPLORATION INC. 35 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HFORMATION RESOUR FIELD SVCS LLC112,0002004-03-29