UNIVERSITY -22A-

Oil · District 7C · Lease #6884

Operator: OTB OPERATING, LLC

Cum Oil

133k BBL

Cum Gas

131k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 132,971 BBL Cum Gas: 130,731 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,208 BBL/mo

Di (annual)

13.5%

b-factor

0.6

EUR

176,998 BBL

R-squared

0.770

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2026-07 OTB OPERATING, LLC 79 mo
1999-05 — 2019-12 MWS PRODUCING, INC. 248 mo
1993-02 — 1999-04 MARIAH ENERGY CORP. 75 mo
1993-01 — 1993-01 CRAIN OIL CO. 1 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6OTB OPERATING, LLC12,5002013-08-19
5OTB OPERATING, LLC12,5002012-12-20
4OTB OPERATING, LLC12,5002012-02-22
3OTB OPERATING, LLC12,6502010-08-03
142-105-30845OTB OPERATING, LLC------
242-105-30909OTB OPERATING, LLC------