NIX C-L

Oil · District 08 · Lease #11609

Operator: UMC PETROLEUM CORPORATION

Cum Oil

98k BBL

Cum Gas

159k MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

2011-08

Production History

Cum Oil: 97,577 BBL Cum Gas: 158,529 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,960 BBL/mo

Di (annual)

41.6%

b-factor

0.2

EUR

70,511 BBL

R-squared

0.861

type

hyperbolic

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 (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13MONTARE OPERATING, LTD.15,2002014-03-18
14MONTARE OPERATING, LTD.14,9002011-08-01
11MONTARE OPERATING, LTD.14,9002011-06-17
16MONTARE OPERATING, LTD.14,9002011-06-17
6MONTARE OPERATING, LTD.14,9002011-05-17
5MONTARE OPERATING, LTD.14,9002010-10-13
3MONTARE OPERATING, LTD.14,9002010-09-10
4MONTARE OPERATING, LTD.14,9002010-03-05
142-003-01918MONTARE OPERATING, LTD.------
242-003-01921MONTARE OPERATING, LTD.------