SHANNON ESTATE

Oil · District 7C · Lease #20420

Operator: SMITH ENERGY OPERATING COMPANY

Cum Oil

57k BBL

Cum Gas

35k MCF

casinghead

Wells

2

Production

2019-09 — 2026-03

Peak Month

2019-11

Production History

Cum Oil: 56,948 BBL Cum Gas: 34,554 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,470 BBL/mo

Di (annual)

49.9%

b-factor

1.2

EUR

136,394 BBL

R-squared

0.814

type

hyperbolic

Operator History (from monthly production reports)

2026-04 — 2026-07 ONAROLL OPERATING LLC 4 mo
2019-09 — 2026-03 SMITH ENERGY OPERATING COMPANY 79 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
201SMITH ENERGY OPERATING COMPANY19,0002019-07-29
1WALSH & WATTS, INC.26,0002007-08-23