GRAHAM, J.

Oil · District 09 · Lease #23516

Operator: CHEVRON U. S. A. INC.

Cum Oil

160k BBL

Cum Gas

568k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2010-10

Production History

Cum Oil: 159,925 BBL Cum Gas: 568,353 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

944 BBL/mo

Di (annual)

11.5%

b-factor

2.0

EUR

249,923 BBL

R-squared

0.871

type

hyperbolic

Operator History (from monthly production reports)

2002-01 — 2026-07 BKM PRODUCTION 295 mo
1993-01 — 2001-12 CHEVRON U. S. A. INC. 108 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BKM PRODUCTION211,7001983-05-13