RALLY-SURLES UNIT

Oil · District 01 · Lease #15470

Operator: U.S. ENERCORP, LTD.

Cum Oil

14k BBL

Cum Gas

22k MCF

casinghead

Wells

1

Production

2010-11 — 2014-04

Peak Month

2010-12

Production History

Cum Oil: 14,370 BBL Cum Gas: 22,160 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,618 BBL/mo

Di (annual)

196.6%

b-factor

0.2

EUR

12,332 BBL

R-squared

0.721

type

hyperbolic

Operator History (from monthly production reports)

2010-11 — 2015-08 U.S. ENERCORP, LTD. 58 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HU.S. ENERCORP LTD.17,0652010-09-13