G.L. HAYES EF UNIT

Oil · District 01 · Lease #19489

Operator: SWIFT ENERGY OPERATING, LLC

Cum Oil

349k BBL

Cum Gas

760k MCF

casinghead

Wells

2

Production

2013-08 — 2026-04

Peak Month

2013-10

Production History

Cum Oil: 348,582 BBL Cum Gas: 760,079 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,547 BBL/mo

Di (annual)

23.2%

b-factor

0.0

EUR

235,481 BBL

R-squared

0.400

type

exponential

Operator History (from monthly production reports)

2026-05 — 2026-07 CRESCENT ENERGY OPERATING, LLC 3 mo
2016-12 — 2026-04 SILVERBOW RESOURCES OPER, LLC 113 mo
2013-08 — 2016-11 SWIFT ENERGY OPERATING, LLC 40 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HSILVERBOW RESOURCES OPER, LLC112,5002013-06-07
6HSILVERBOW RESOURCES OPER, LLC112,5002013-06-07