ULMER

Oil · District 7B · Lease #26358

Operator: FISHER, JACK INC.

Cum Oil

4k BBL

Cum Gas

26 MCF

casinghead

Wells

1

Production

1993-01 — 1996-12

Peak Month

1993-03

Production History

Cum Oil: 4,462 BBL Cum Gas: 26 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

254 BBL/mo

Di (annual)

121.8%

b-factor

1.1

EUR

11,718 BBL

R-squared

0.951

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 1997-05 FISHER, JACK INC. 53 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOJOURNER DRILLING CORPORATION15,1001991-08-15