JONES

Oil · District 8A · Lease #66940

Operator: ST. CLAIR ENERGY CORPORATION

Cum Oil

207k BBL

Cum Gas

56 MCF

casinghead

Wells

1

Production

1993-01 — 2022-06

Peak Month

1997-08

Production History

Cum Oil: 206,992 BBL Cum Gas: 56 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,212 BBL/mo

Di (annual)

34.3%

b-factor

0.1

EUR

163,749 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

2024-01 — 2026-07 FORMATION RESOUR FIELD SVCS, LLC 31 mo
2014-06 — 2023-12 SPINDLETOP DRILLING CO. 115 mo
2002-12 — 2014-05 CHAMPLIN EXPLORATION, INC. 138 mo
1993-01 — 2002-11 ST. CLAIR ENERGY CORPORATION 119 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FORMATION RESOUR FIELD SVCS LLC111,3001992-09-30