UNIVERSITY -3N-

Oil // district 9 // lease#8922

op: OTB OPERATING, LLC

cum_oil

91k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

2012-07

-- production_history

cum_oil: 90,853 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

615 BBL/mo

Di (annual)

7.0%

b-factor

0.1

EUR

108,907 BBL

R-squared

0.687

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6MWS PRODUCING, INC.12,5002013-08-19
5MWS PRODUCING, INC.12,5002012-10-30
4MWS PRODUCING, INC.12,5002012-02-22
3MWS PRODUCING, INC.12,6502010-08-03
2MWS PRODUCING, INC.12,2502009-07-03
1CRAIN OIL CO.12,3001981-05-08
EOF // data source: Texas Railroad Commission // 2026