SPADE RANCH

Oil · District 08 · Lease #42062

Operator: ENERVEST OPERATING, L.L.C.

Cum Oil

12k BBL

Cum Gas

3k MCF

casinghead

Wells

1

Production

2011-10 — 2013-01

Peak Month

2012-06

Production History

Cum Oil: 11,903 BBL Cum Gas: 2,550 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,467 BBL/mo

Di (annual)

445.6%

b-factor

0.0

EUR

3,993 BBL

R-squared

0.432

type

exponential

Operator History (from monthly production reports)

2013-07 — 2024-06 CROWNQUEST OPERATING, LLC 132 mo
2012-09 — 2013-06 ENERVEST OPERATING, L.L.C. 10 mo
2011-10 — 2012-08 CHESAPEAKE OPERATING, INC. 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S149CROWNQUEST OPERATING LLC29,0002011-08-01