JOHNSTON

Oil · District 03 · Lease #23166

Operator: BARROW-SHAVER RESOURCES CO.

Cum Oil

102k BBL

Cum Gas

107k MCF

casinghead

Wells

1

Production

1997-02 — 2002-11

Peak Month

1997-09

Production History

Cum Oil: 102,080 BBL Cum Gas: 106,706 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,536 BBL/mo

Di (annual)

156.4%

b-factor

1.1

EUR

174,378 BBL

R-squared

0.923

type

hyperbolic

Operator History (from monthly production reports)

1997-02 — 2003-02 BARROW-SHAVER RESOURCES CO. 73 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BARROW-SHAVER RESOURCES CO.18,0001997-01-03