C. C. LOCKHART & BROWN -AA-

Oil · District 08 · Lease #35537

Operator: TEXAS HYDROGEN ENERGY CORP.

Cum Oil

142k BBL

Cum Gas

79k MCF

casinghead

Wells

13

Production

1997-10 — 2026-04

Peak Month

2012-05

Production History

Cum Oil: 142,310 BBL Cum Gas: 78,562 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,365 BBL/mo

Di (annual)

80.8%

b-factor

1.0

EUR

130,715 BBL

R-squared

0.693

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
1999-06 — 2004-11 COMPOSTELLA OIL COMPANY 66 mo
1997-10 — 1999-05 TEXAS HYDROGEN ENERGY CORP. 20 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16MONTARE OPERATING, LTD.25,2002013-04-17
12MONTARE OPERATING, LTD.15,2002012-10-04
14MONTARE OPERATING, LTD.14,9002012-03-19
13MONTARE OPERATING, LTD.14,9002012-02-10
15MONTARE OPERATING, LTD.14,9002011-09-13
8MONTARE OPERATING, LTD.14,9002010-06-21
9MONTARE OPERATING, LTD.14,9002010-06-21
7MONTARE OPERATING, LTD.14,9002010-02-16
6MONTARE OPERATING, LTD.24,9002009-07-10
5MONTARE OPERATING, LTD.14,9002007-01-10
3MONTARE OPERATING, LTD.14,8002006-01-30
242-003-00629MONTARE OPERATING, LTD.------
442-003-00631MONTARE OPERATING, LTD.------