ARNOLD

Oil · District 8A · Lease #68937

Operator: CHISHOLM OPERATING, INC.

Cum Oil

121k BBL

Cum Gas

24k MCF

casinghead

Wells

4

Production

2006-05 — 2010-07

Peak Month

2007-03

Production History

Cum Oil: 120,574 BBL Cum Gas: 24,303 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,332 BBL/mo

Di (annual)

432.5%

b-factor

1.5

EUR

206,722 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2006-05 — 2010-11 CHISHOLM OPERATING, INC. 55 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CHISHOLM OPERATING INC.15,2002006-09-22
3CHISHOLM OPERATING INC.15,3002006-06-23
2CHISHOLM OPERATING INC.15,5002006-05-18
1CHISHOLM OPERATING INC.15,4002006-02-13