OBENHAUS "A"

Oil // district 13 // lease#5613

op: ROBERTS & HAMMACK INC.

cum_oil

6k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1995-12

-- production_history

cum_oil: 6,176 BBL cum_gas: 0 MCF

-- 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

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ADUNITH OIL CO.12,0001983-06-27
19JIMCO OIL COMPANY, INC.11,7501982-08-26
17JIMCO OIL CO.11,7501980-11-06
16JIMCO OIL CO.11,7501980-04-09
142-485-85241--------
1142-485-85245--------
1542-485-85246--------
342-485-85242--------
742-485-85244--------
EOF // multi-state drilling data platform // 2026