BASS KEYSTONE SILURIAN UNIT

Oil · District 08 · Lease #35481

Operator: BASS ENTERPRISES PRODUCTION CO.

Cum Oil

3k BBL

Cum Gas

2k MCF

casinghead

Wells

3

Production

1997-10 — 2002-01

Peak Month

2001-07

Production History

Cum Oil: 2,509 BBL Cum Gas: 2,151 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

431 BBL/mo

Di (annual)

244.2%

b-factor

2.0

EUR

31,084 BBL

R-squared

0.870

type

hyperbolic

Operator History (from monthly production reports)

1997-10 — 2002-05 BASS ENTERPRISES PRODUCTION CO. 56 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31HILCORP ENERGY COMPANY17,7301998-02-05
37HILCORP ENERGY COMPANY17,9001998-01-02
3542-495-04131HILCORP ENERGY COMPANY------