STILES 3

Oil · District 10 · Lease #8776

Operator: TAPSTONE ENERGY, LLC

Cum Oil

358k BBL

Cum Gas

3.4M MCF

casinghead

Wells

6

Production

2012-09 — 2026-04

Peak Month

2012-11

Production History

Cum Oil: 357,688 BBL Cum Gas: 3,429,586 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,537 BBL/mo

Di (annual)

265.3%

b-factor

0.8

EUR

398,545 BBL

R-squared

0.823

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
2012-09 — 2014-12 APACHE CORPORATION 28 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3103HFORMENTERA OPERATIONS LLC111,5002014-06-19
2903HFORMENTERA OPERATIONS LLC112,0002013-04-29
2503HFORMENTERA OPERATIONS LLC111,0002013-03-18
2303HFORMENTERA OPERATIONS LLC111,0002013-02-06
2403HFORMENTERA OPERATIONS LLC111,0002013-02-06
2203HFORMENTERA OPERATIONS LLC111,0002012-06-22