OBENHAUS "A"

Oil · District 09 · Lease #5613

Operator: ROBERTS & HAMMACK INC.

Cum Oil

6k BBL

Cum Gas

23 MCF

casinghead

Wells

9

Production

1993-01 — 2001-07

Peak Month

1995-12

Production History

Cum Oil: 6,176 BBL Cum Gas: 23 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

324 BBL/mo

Di (annual)

103.3%

b-factor

0.2

EUR

4,659 BBL

R-squared

0.623

type

hyperbolic

Operator History (from monthly production reports)

2013-08 — 2026-07 ROBERTS & HAMMACK INC. 156 mo
2010-08 — 2013-07 JRJ OIL & GAS LLC 36 mo
2007-02 — 2010-07 AMES, ADRIAN 42 mo
2006-10 — 2007-01 DE LARIOS, R. V., LTD. 4 mo
2005-03 — 2006-09 BLACK PEARL OPERATING COMP., LLC 19 mo
2002-01 — 2005-02 BLACK PEARL ENERGY LLC 38 mo
2000-09 — 2001-12 PREMIERE CONSOLIDATED O&G LLC 16 mo
1998-02 — 2000-08 BIG RUN PRODUCTION COMPANY 31 mo
1994-12 — 1998-01 NEWBERRY, CHARLES D INC 38 mo
1993-01 — 1994-11 PALMER, JAMES W. 23 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2AROBERTS & HAMMACK INC.12,0001983-06-27
19ROBERTS & HAMMACK INC.11,7501982-08-26
17ROBERTS & HAMMACK INC.11,7501980-11-06
16ROBERTS & HAMMACK INC.11,7501980-04-09
142-485-85241ROBERTS & HAMMACK INC.------
1142-485-85245ROBERTS & HAMMACK INC.------
1542-485-85246ROBERTS & HAMMACK INC.------
342-485-85242ROBERTS & HAMMACK INC.------
742-485-85244ROBERTS & HAMMACK INC.------