BEGGS UNIT

Oil · District 8A · Lease #68889

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

19k BBL

Cum Gas

0 MCF

Wells

1

Production

2006-02 — 2018-12

Peak Month

2006-03

Production History

Cum Oil: 18,953 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

374 BBL/mo

Di (annual)

24.1%

b-factor

0.0

EUR

18,572 BBL

R-squared

0.780

type

exponential

Operator History (from monthly production reports)

2006-02 — 2026-07 SCHALK OIL COMPANY, INC. 246 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY INC.14,7002006-01-11