AMERICAN NATIONAL LIFE INS.CO.

Oil // district 10 // lease#37823

op: VANGUARD OPERATING, LLC

cum_oil

19k BBL

cum_gas

0 MCF

wells

4

production

2006-03 — 2026-03

peak_month

2015-08

-- production_history

cum_oil: 18,847 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

314 BBL/mo

Di (annual)

119.8%

b-factor

1.0

EUR

12,941 BBL

R-squared

0.348

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
44EAGLE ROCK OPERATING COMPANY,LLC39,1002013-03-04
54EAGLE ROCK OPERATING COMPANY,LLC29,3002013-03-04
42STANOLIND OPERATING CORP.29,4002012-05-29
47STANOLIND OPERATING CORP.26,8002005-05-02
EOF // multi-state drilling data platform // 2026