HERNDON, W. L. JR. ET AL

Oil · District 10 · Lease #7221

Operator: CRESCENDO RESOURCES, L.P.

Cum Oil

488 BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

1997-07 — 1999-10

Peak Month

1997-08

Production History

Cum Oil: 488 BBL Cum Gas: 28,310 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

54 BBL/mo

Di (annual)

183.8%

b-factor

0.2

EUR

427 BBL

R-squared

0.643

type

hyperbolic

Operator History (from monthly production reports)

1997-07 — 2000-03 CRESCENDO RESOURCES, L.P. 33 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WILDHORSE OPERATING COMPANY39,8102009-04-09