LETHA JACOBY TRUST

Oil · District 9 · Lease #15321

Operator: SUBSURFACE PRODUCTION, INC.

Cum Oil

13k BBL

Cum Gas

0 MCF

Wells

1

Production

2002-11 — 2026-03

Peak Month

2003-04

Production History

Cum Oil: 13,282 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

273 BBL/mo

Di (annual)

43.3%

b-factor

0.3

EUR

10,602 BBL

R-squared

0.492

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DAUBERT OPERATING. L.L.C.23,6002002-10-18
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