UT UNIVERSITY

Oil · District 10 · Lease #44895

Operator: PIEDRA OPERATING, LLC

Cum Oil

41k BBL

Cum Gas

0 MCF

Wells

1

Production

2013-10 — 2026-03

Peak Month

2013-11

Production History

Cum Oil: 40,665 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

1,521 BBL/mo

Di (annual)

72.7%

b-factor

0.4

EUR

41,130 BBL

R-squared

0.716

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1FIVESTONES ENERGY LLC113,5002013-02-14
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