SPEARFISH-NEAL 27

Oil · District 08 · Lease #41162

Operator: APACHE CORPORATION

Cum Oil

33k BBL

Cum Gas

47k MCF

casinghead

Wells

1

Production

2011-03 — 2015-05

Peak Month

2012-07

Production History

Cum Oil: 33,245 BBL Cum Gas: 47,026 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,018 BBL/mo

Di (annual)

43.7%

b-factor

0.0

EUR

27,931 BBL

R-squared

0.381

type

exponential

Operator History (from monthly production reports)

2011-03 — 2017-07 APACHE CORPORATION 77 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1APACHE CORPORATION310,3002017-03-28