SHANNON, J. M., EST. -A-

Oil · District 9 · Lease #2327

Operator: ZEPHYR LONE STAR OPER CO.,L.L.C.

Cum Oil

48k BBL

Cum Gas

0 MCF

Wells

12

Production

1993-01 — 2018-07

Peak Month

2005-07

Production History

Cum Oil: 48,015 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

978 BBL/mo

Di (annual)

69.7%

b-factor

0.0

EUR

16,823 BBL

R-squared

0.508

type

exponential

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SUNDOWN ENERGY LP12,5282005-07-25
6WSUNDOWN ENERGY LP12,5282005-07-25
1SUNDOWN ENERGY, INC.12,6002004-08-12
9SUNDOWN ENERGY, INC.12,6002004-08-12
1042-105-02844--------
1142-105-02846--------
242-105-03225--------
342-105-03228--------
442-105-03230--------
542-105-03231--------
742-105-03233--------
842-105-02840--------
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