CROSBY UNIT

Oil · District 1 · Lease #19158

Operator: ZARVONA ENERGY LLC

Cum Oil

1.3M BBL

Cum Gas

0 MCF

Wells

6

Production

2017-07 — 2026-03

Peak Month

2018-02

Production History

Cum Oil: 1,293,320 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

70,026 BBL/mo

Di (annual)

361.2%

b-factor

1.4

EUR

2,249,118 BBL

R-squared

0.918

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEARTHSTONE OPERATING, LLC19,5002017-06-16
2HEARTHSTONE OPERATING, LLC19,5002017-05-09
3HEARTHSTONE OPERATING, LLC19,5002017-05-09
4HEARTHSTONE OPERATING, LLC29,5002017-05-09
5HEARTHSTONE OPERATING, LLC19,5002017-05-09
6HEARTHSTONE OPERATING, LLC29,5002017-05-09
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