BELL

Oil · District 8A · Lease #68356

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

1.3M BBL

Cum Gas

25k MCF

casinghead

Wells

6

Production

2001-10 — 2026-04

Peak Month

2005-03

Production History

Cum Oil: 1,268,798 BBL Cum Gas: 25,313 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,766 BBL/mo

Di (annual)

11.1%

b-factor

0.0

EUR

1,163,609 BBL

R-squared

0.916

type

exponential

Operator History (from monthly production reports)

2001-10 — 2026-07 SCHALK OIL COMPANY, INC. 298 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ASCHALK OIL COMPANY, INC.25,3002005-03-31
4ALSCHALK OIL COMPANY, INC.25,3002005-03-31
3ASCHALK OIL COMPANY, INC.25,3002002-09-16
3ALSCHALK OIL COMPANY, INC.25,3002002-09-16
2ALSCHALK OIL COMPANY, INC.15,2002001-09-20
1ASCHALK OIL COMPANY, INC.25,2002001-08-13