DUGAN "A"

Oil · District 7B · Lease #16542

Operator: OHLHAUSEN OIL COMPANY

Cum Oil

8k BBL

Cum Gas

8k MCF

casinghead

Wells

5

Production

1993-01 — 2006-07

Peak Month

1993-10

Production History

Cum Oil: 8,179 BBL Cum Gas: 7,828 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

387 BBL/mo

Di (annual)

648.2%

b-factor

0.9

EUR

3,236 BBL

R-squared

0.428

type

hyperbolic

Operator History (from monthly production reports)

1996-09 — 2026-07 MARTIN, JIMMY INC 359 mo
1995-09 — 1996-08 MID-TEX ENERGY INC. 12 mo
1993-04 — 1995-08 ALLEGRO OPERATING, INC. 29 mo
1993-01 — 1993-03 OHLHAUSEN OIL COMPANY 3 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9MARTIN, JIMMY INC14,8102016-12-19
7SOJOURNER DRILLING CORPORATION34,8002016-11-30
8MARTIN JIMMY INC14,8001981-03-02
5MARTIN JIMMY INC14,8001980-03-18
6MARTIN JIMMY INC14,8001980-03-18