STILES 68B

Oil · District 10 · Lease #8899

Operator: TAPSTONE ENERGY, LLC

Cum Oil

174k BBL

Cum Gas

435k MCF

casinghead

Wells

2

Production

2012-12 — 2015-11

Peak Month

2013-01

Production History

Cum Oil: 173,945 BBL Cum Gas: 434,663 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,461 BBL/mo

Di (annual)

254.4%

b-factor

0.6

EUR

206,048 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

2015-01 — 2016-06 TAPSTONE ENERGY, LLC 18 mo
2012-12 — 2014-12 APACHE CORPORATION 25 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2668HFORMENTERA OPERATIONS LLC211,0002012-07-16
2568HFORMENTERA OPERATIONS LLC211,0002012-06-29