TULLIO

Oil · District 09 · Lease #31891

Operator: ENERVEST OPERATING, L.L.C.

Cum Oil

10k BBL

Cum Gas

364k MCF

casinghead

Wells

1

Production

2011-03 — 2014-07

Peak Month

2011-05

Production History

Cum Oil: 9,849 BBL Cum Gas: 364,205 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,694 BBL/mo

Di (annual)

554.6%

b-factor

0.3

EUR

8,399 BBL

R-squared

0.960

type

hyperbolic

Operator History (from monthly production reports)

2012-01 — 2018-10 ENERVEST OPERATING, L.L.C. 82 mo
2011-03 — 2011-12 ENCANA OIL & GAS(USA) INC. 10 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HBKV BARNETT II, LLC29,0002010-07-19