EDWARDS 'C'

Oil · District 8A · Lease #67767

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

25k BBL

Cum Gas

0 MCF

Wells

1

Production

1997-06 — 2005-02

Peak Month

1997-08

Production History

Cum Oil: 25,368 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,229 BBL/mo

Di (annual)

71.0%

b-factor

0.1

EUR

23,039 BBL

R-squared

0.792

type

hyperbolic

Operator History (from monthly production reports)

2004-06 — 2010-04 SCHALK OIL COMPANY, INC. 71 mo
1997-12 — 2004-05 KROCAN ENERGY CORPORATION 78 mo
1997-06 — 1997-11 EASTERN ENERGY CORPORATION 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY INC.15,0001997-05-16