CHADBOURNE RANCH 431 -A-

Oil · District 7C · Lease #14349

Operator: WESTPORT OIL AND GAS COMPANY, LP

Cum Oil

260 BBL

Cum Gas

0 MCF

Wells

1

Production

1995-06 — 1996-11

Peak Month

1996-02

Production History

Cum Oil: 260 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

54 BBL/mo

Di (annual)

792.2%

b-factor

0.6

EUR

167 BBL

R-squared

0.425

type

hyperbolic

Operator History (from monthly production reports)

2002-03 — 2004-01 WESTPORT OIL AND GAS COMPANY, LP 23 mo
1998-09 — 2002-02 BELCO ENERGY CORP. 42 mo
1995-06 — 1998-08 CODA ENERGY, INC. 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18WESTPORT OIL AND GAS COMPANY LP26,0001995-02-01