PEN RANCH UNIT

Oil · District 1 · Lease #19839

Operator: ZARVONA ENERGY LLC

Cum Oil

1.5M BBL

Cum Gas

0 MCF

Wells

7

Production

2019-04 — 2026-03

Peak Month

2019-11

Production History

Cum Oil: 1,454,169 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

37,144 BBL/mo

Di (annual)

30.6%

b-factor

0.0

EUR

1,454,366 BBL

R-squared

0.546

type

exponential

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEARTHSTONE OPERATING, LLC19,7002019-02-11
2HEARTHSTONE OPERATING, LLC19,7002019-02-11
3HEARTHSTONE OPERATING, LLC19,7002019-02-11
4HEARTHSTONE OPERATING, LLC19,7002019-02-11
5HEARTHSTONE OPERATING, LLC29,5912019-02-11
6HEARTHSTONE OPERATING, LLC29,5912019-02-11
7HEARTHSTONE OPERATING, LLC29,5482019-02-11
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