STILES 18C

Oil · District 10 · Lease #9195

Operator: TAPSTONE ENERGY, LLC

Cum Oil

40k BBL

Cum Gas

278k MCF

casinghead

Wells

1

Production

2014-10 — 2026-04

Peak Month

2014-12

Production History

Cum Oil: 40,346 BBL Cum Gas: 278,217 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,860 BBL/mo

Di (annual)

157.6%

b-factor

0.6

EUR

32,744 BBL

R-squared

0.898

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
2014-10 — 2014-12 APACHE CORPORATION 3 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1918HFORMENTERA OPERATIONS LLC111,0002014-05-17