STILES 1

Oil · District 10 · Lease #8755

Operator: TAPSTONE ENERGY, LLC

Cum Oil

843k BBL

Cum Gas

4.6M MCF

casinghead

Wells

6

Production

2012-08 — 2026-04

Peak Month

2013-05

Production History

Cum Oil: 843,005 BBL Cum Gas: 4,557,063 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

49,187 BBL/mo

Di (annual)

148.4%

b-factor

0.4

EUR

659,639 BBL

R-squared

0.880

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 FORMENTERA OPERATIONS LLC 62 mo
2015-01 — 2021-05 TAPSTONE ENERGY, LLC 77 mo
2012-08 — 2014-12 APACHE CORPORATION 29 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1601HFORMENTERA OPERATIONS LLC211,5002012-12-17
1801HFORMENTERA OPERATIONS LLC111,0002012-12-12
1401HFORMENTERA OPERATIONS LLC111,0002012-09-19
1501HFORMENTERA OPERATIONS LLC111,0002012-09-19
1301HFORMENTERA OPERATIONS LLC111,0002012-07-02
1201HFORMENTERA OPERATIONS LLC111,0002012-06-01