NIX -F-

Oil · District 08 · Lease #11935

Operator: UMC PETROLEUM CORPORATION

Cum Oil

106k BBL

Cum Gas

155k MCF

casinghead

Wells

14

Production

1993-01 — 2026-04

Peak Month

2010-05

Production History

Cum Oil: 106,174 BBL Cum Gas: 155,274 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,719 BBL/mo

Di (annual)

29.4%

b-factor

0.0

EUR

70,190 BBL

R-squared

0.816

type

exponential

Operator History (from monthly production reports)

2021-08 — 2026-07 MONTARE OPERATING, LTD. 60 mo
2018-11 — 2021-07 AVALON TX OPERATING, LLC 33 mo
2010-08 — 2018-10 SANDRIDGE EXPL. AND PROD., LLC 99 mo
2004-12 — 2010-07 OK ARENA OPERATING COMPANY 68 mo
1996-01 — 2004-11 REDCO OIL & GAS INC. 107 mo
1993-01 — 1995-12 UMC PETROLEUM CORPORATION 36 mo

Wells (14)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17MONTARE OPERATING, LTD.15,2002014-04-07
13MONTARE OPERATING, LTD.15,2002013-03-18
16MONTARE OPERATING, LTD.15,2002013-03-18
11MONTARE OPERATING, LTD.15,2002013-01-31
12MONTARE OPERATING, LTD.15,2002013-01-31
10MONTARE OPERATING, LTD.14,9002011-11-04
14MONTARE OPERATING, LTD.14,9002011-09-13
15MONTARE OPERATING, LTD.14,9002011-07-26
6MONTARE OPERATING, LTD.14,9002010-08-04
4MONTARE OPERATING, LTD.14,9002010-02-19
5MONTARE OPERATING, LTD.14,9002009-08-05
301MONTARE OPERATING, LTD.24,8002009-06-17
1A42-003-06649MONTARE OPERATING, LTD.------
242-003-06650MONTARE OPERATING, LTD.------