FULLER

Oil · District 7B · Lease #31771

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

3k BBL

Cum Gas

0 MCF

Wells

1

Production

2012-02 — 2015-06

Peak Month

2012-02

Production History

Cum Oil: 3,082 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

249 BBL/mo

Di (annual)

743.9%

b-factor

1.7

EUR

7,601 BBL

R-squared

0.518

type

hyperbolic

Operator History (from monthly production reports)

2012-02 — 2015-09 SCHALK OIL COMPANY, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY INC.26,3002011-08-10