SCHAFER "4"

Oil · District 08 · Lease #39553

Operator: SPECIAL ENERGY CORPORATION

Cum Oil

28k BBL

Cum Gas

48k MCF

casinghead

Wells

1

Production

2008-12 — 2020-07

Peak Month

2009-03

Production History

Cum Oil: 28,471 BBL Cum Gas: 48,189 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

750 BBL/mo

Di (annual)

59.5%

b-factor

0.8

EUR

41,795 BBL

R-squared

0.837

type

hyperbolic

Operator History (from monthly production reports)

2010-12 — 2026-07 APACHE CORPORATION 188 mo
2010-11 — 2010-11 MARINER ENERGY, INC. 1 mo
2008-12 — 2010-10 SPECIAL ENERGY CORPORATION 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1APACHE CORPORATION110,0002008-09-12