SAYRE UNIT

Oil · District 1 · Lease #19363

Operator: ZARVONA ENERGY LLC

Cum Oil

1.0M BBL

Cum Gas

0 MCF

Wells

5

Production

2018-04 — 2026-03

Peak Month

2018-08

Production History

Cum Oil: 1,005,130 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

59,403 BBL/mo

Di (annual)

274.8%

b-factor

1.1

EUR

1,503,192 BBL

R-squared

0.953

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HEARTHSTONE OPERATING, LLC39,4502018-03-01
1HEARTHSTONE OPERATING, LLC39,4502018-02-23
2HEARTHSTONE OPERATING, LLC39,4502018-02-23
3HEARTHSTONE OPERATING, LLC39,4502018-02-23
4HEARTHSTONE OPERATING, LLC39,4502018-02-23
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