LANGE E EFS

Oil · District 01 · Lease #16993

Operator: SILVERBOW RESOURCES OPER, LLC

Cum Oil

57k BBL

Cum Gas

850k MCF

casinghead

Wells

1

Production

2013-07 — 2026-03

Peak Month

2014-03

Production History

Cum Oil: 56,789 BBL Cum Gas: 850,126 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,246 BBL/mo

Di (annual)

554.1%

b-factor

0.7

EUR

40,618 BBL

R-squared

0.826

type

hyperbolic

Operator History (from monthly production reports)

2022-07 — 2026-07 SILVERBOW RESOURCES OPER, LLC 49 mo
2013-07 — 2022-06 SEA EAGLE FORD, LLC 108 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HSILVERBOW RESOURCES OPER, LLC212,6002013-06-07