SHIRK, J.H. ESTATE

Oil · District 7C · Lease #13628

Operator: RAYDEN

Cum Oil

8k BBL

Cum Gas

90k MCF

casinghead

Wells

1

Production

1994-06 — 2000-04

Peak Month

1994-07

Production History

Cum Oil: 8,353 BBL Cum Gas: 89,993 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

733 BBL/mo

Di (annual)

128.5%

b-factor

0.2

EUR

8,524 BBL

R-squared

0.696

type

hyperbolic

Operator History (from monthly production reports)

2006-04 — 2006-08 ENDEAVOR ENERGY RESOURCES L.P. 5 mo
1994-06 — 2006-03 RAYDEN 142 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1RAYDEN210,5001994-05-12