COWDEN -12-

Oil · District 08 · Lease #31855

Operator: CITATION OIL & GAS CORP.

Cum Oil

5k BBL

Cum Gas

6k MCF

casinghead

Wells

1

Production

1993-01 — 1997-06

Peak Month

1994-04

Production History

Cum Oil: 5,210 BBL Cum Gas: 5,970 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

125 BBL/mo

Di (annual)

18.6%

b-factor

1.3

EUR

21,794 BBL

R-squared

0.598

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 1998-02 CITATION OIL & GAS CORP. 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1AGHORN OPERATING, INC.29,5001997-06-16