4K BLACK HILLS UNIT B

Oil · District 1 · Lease #21646

Operator: PILLAR EFS, LLC

Cum Oil

137k BBL

Cum Gas

0 MCF

Wells

2

Production

2024-12 — 2026-03

Peak Month

2024-12

Production History

Cum Oil: 136,766 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

24,798 BBL/mo

Di (annual)

476.2%

b-factor

1.2

EUR

490,694 BBL

R-squared

0.918

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPILLAR EFS, LLC29,0002023-08-30
2HPILLAR EFS, LLC29,0002023-08-29
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