SORRELL

Oil · District 03 · Lease #15190

Operator: VIPER S.W.D., LLC

Cum Oil

6k BBL

Cum Gas

5k MCF

casinghead

Wells

1

Production

1993-01 — 2003-04

Peak Month

2001-05

Production History

Cum Oil: 6,249 BBL Cum Gas: 4,617 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

367 BBL/mo

Di (annual)

585.0%

b-factor

0.6

EUR

1,718 BBL

R-squared

0.716

type

hyperbolic

Operator History (from monthly production reports)

2007-11 — 2026-07 VIPER S.W.D., LLC 225 mo
1993-01 — 2007-10 TUCKER OPERATING CO., INC. 178 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11VIPER S.W.D. LLC16,0001981-02-02