CYPERT "57A"

Oil · District 08 · Lease #41521

Operator: ENDEAVOR ENERGY RESOURCES L.P.

Cum Oil

18k BBL

Cum Gas

45k MCF

casinghead

Wells

1

Production

2011-04 — 2015-10

Peak Month

2012-07

Production History

Cum Oil: 18,259 BBL Cum Gas: 44,721 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,070 BBL/mo

Di (annual)

107.8%

b-factor

0.2

EUR

14,845 BBL

R-squared

0.744

type

hyperbolic

Operator History (from monthly production reports)

2011-04 — 2022-05 ENDEAVOR ENERGY RESOURCES L.P. 134 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ENDEAVOR ENERGY RESOURCES L.P.212,0002013-12-13