DOPSLAUF UNIT

Oil · District 03 · Lease #23836

Operator: SWIFT ENERGY COMPANY

Cum Oil

69k BBL

Cum Gas

314k MCF

casinghead

Wells

1

Production

2000-04 — 2026-04

Peak Month

2002-03

Production History

Cum Oil: 68,762 BBL Cum Gas: 314,023 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,151 BBL/mo

Di (annual)

33.1%

b-factor

0.5

EUR

74,431 BBL

R-squared

0.888

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2009-07 — 2018-07 ENERVEST OPERATING, L.L.C. 109 mo
2004-06 — 2009-06 CHESAPEAKE OPERATING, INC. 61 mo
2000-04 — 2004-05 SWIFT ENERGY COMPANY 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OLMAGNOLIA OIL & GAS OPERATING LLC114,5001997-09-11