HERNDON 'B' 490

Oil · District 10 · Lease #9034

Operator: MIDSTATES PETROLEUM COMPANY LLC

Cum Oil

23k BBL

Cum Gas

190k MCF

casinghead

Wells

1

Production

2013-01 — 2026-04

Peak Month

2013-03

Production History

Cum Oil: 22,620 BBL Cum Gas: 189,505 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

945 BBL/mo

Di (annual)

390.0%

b-factor

1.5

EUR

32,857 BBL

R-squared

0.780

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2026-07 COURSON OIL & GAS, INC. 143 mo
2013-06 — 2014-08 MIDSTATES PETROLEUM COMPANY LLC 15 mo
2013-01 — 2013-05 HOLMES EXPLORATION, LLC 5 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCOURSON OIL & GAS, INC.113,0002012-08-14