POST MONTGOMERY LO.CLFK.WF UNIT

Oil · District 8A · Lease #69754

Operator: CHI OPERATING, INC.

Cum Oil

1.7M BBL

Cum Gas

381k MCF

casinghead

Wells

21

Production

2011-12 — 2026-04

Peak Month

2012-06

Production History

Cum Oil: 1,680,816 BBL Cum Gas: 381,031 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,305 BBL/mo

Di (annual)

3.6%

b-factor

0.0

EUR

3,397,797 BBL

R-squared

0.563

type

exponential

Operator History (from monthly production reports)

2011-12 — 2026-07 CHI OPERATING, INC. 176 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CHI OPERATING, INC.28,3002012-04-03
101CHI OPERATING, INC.18,3002012-03-07
605CHI OPERATING, INC.18,3002011-11-14
1505CHI OPERATING, INC.18,3002011-04-05
1504CHI OPERATING, INC.18,3002011-03-25
1402CHI OPERATING, INC.18,3002011-02-22
1003CHI OPERATING, INC.18,3002010-09-16
1503CHI OPERATING, INC.18,3002010-07-05
503CHI OPERATING, INC.18,3002010-06-30
1502CHI OPERATING, INC.18,3002009-08-14
502CHI OPERATING, INC.18,3002009-08-05
1002CHI OPERATING, INC.18,2002009-03-26
1501CHI OPERATING, INC.27,8002009-01-27
401CHI OPERATING, INC.18,3002009-01-21
601CHI OPERATING, INC.38,3002008-10-02
603CHI OPERATING, INC.28,3002008-09-12
604CHI OPERATING, INC.28,3002008-09-12
703CHI OPERATING, INC.18,3002008-09-11
602CHI OPERATING, INC.18,0002008-08-06
702CHI OPERATING, INC.410,2502007-12-21
701CHI OPERATING, INC.38,3002005-08-16