U.S.A. UNIT A-277

Oil · District 06 · Lease #13477

Operator: SWIFT ENERGY COMPANY

Cum Oil

99k BBL

Cum Gas

556k MCF

casinghead

Wells

1

Production

1995-08 — 2004-04

Peak Month

1995-10

Production History

Cum Oil: 98,968 BBL Cum Gas: 555,516 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,502 BBL/mo

Di (annual)

448.4%

b-factor

0.4

EUR

64,926 BBL

R-squared

0.806

type

hyperbolic

Operator History (from monthly production reports)

1998-09 — 2004-06 SWIFT ENERGY COMPANY 70 mo
1995-08 — 1998-08 SONAT EXPLORATION COMPANY -TYLER 37 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SWIFT ENERGY COMPANY312,2222005-07-18