WALKER 85

Oil · District 10 · Lease #8678

Operator: MIDSTATES PETROLEUM COMPANY LLC

Cum Oil

13k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2011-11 — 2026-04

Peak Month

2012-04

Production History

Cum Oil: 13,295 BBL Cum Gas: 1,003,971 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

602 BBL/mo

Di (annual)

234.7%

b-factor

0.8

EUR

10,465 BBL

R-squared

0.731

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2026-07 COURSON OIL & GAS, INC. 143 mo
2013-07 — 2014-08 MIDSTATES PETROLEUM COMPANY LLC 14 mo
2011-11 — 2013-06 HOLMES EXPLORATION, LLC 20 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HCOURSON OIL & GAS, INC.113,0002011-08-17