SHANNON ESTATE

Oil · District 7C · Lease #15812

Operator: TREK RESOURCES, INC.

Cum Oil

1.4M BBL

Cum Gas

371k MCF

casinghead

Wells

4

Production

2005-09 — 2026-04

Peak Month

2006-07

Production History

Cum Oil: 1,393,703 BBL Cum Gas: 370,606 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,466 BBL/mo

Di (annual)

47.7%

b-factor

1.0

EUR

1,574,147 BBL

R-squared

0.910

type

hyperbolic

Operator History (from monthly production reports)

2005-09 — 2026-07 TREK RESOURCES, INC. 251 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5TREK RESOURCES, INC.16,5002008-06-13
6TREK RESOURCES, INC.16,5002008-05-29
3TREK RESOURCES, INC.26,6002005-12-30
2TREK RESOURCES, INC.26,0002005-07-19