JOHNSON 54-2-40

Oil · District 08 · Lease #41409

Operator: SHELL WESTERN E&P

Cum Oil

25k BBL

Cum Gas

358k MCF

casinghead

Wells

1

Production

2010-11 — 2012-08

Peak Month

2011-04

Production History

Cum Oil: 25,241 BBL Cum Gas: 357,582 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,231 BBL/mo

Di (annual)

500.5%

b-factor

0.0

EUR

20,015 BBL

R-squared

0.554

type

exponential

Operator History (from monthly production reports)

2012-10 — 2017-06 SHELL WESTERN E&P 57 mo
2010-11 — 2012-09 CHESAPEAKE OPERATING, INC. 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPDEH LLC115,0002010-07-22