ET AL "6"

Oil · District 8A · Lease #69305

Operator: CHI OPERATING, INC.

Cum Oil

131k BBL

Cum Gas

40k MCF

casinghead

Wells

4

Production

2008-12 — 2011-11

Peak Month

2008-12

Production History

Cum Oil: 131,443 BBL Cum Gas: 40,092 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,419 BBL/mo

Di (annual)

37.6%

b-factor

0.8

EUR

432,347 BBL

R-squared

0.791

type

hyperbolic

Operator History (from monthly production reports)

2008-12 — 2012-07 CHI OPERATING, INC. 44 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHI OPERATING, INC.38,3002008-10-02
3CHI OPERATING, INC.28,3002008-09-12
4CHI OPERATING, INC.28,3002008-09-12
2CHI OPERATING, INC.18,0002008-08-06