STO SEC 2

Oil · District 08 · Lease #41895

Operator: RSP PERMIAN, LLC

Cum Oil

298k BBL

Cum Gas

496k MCF

casinghead

Wells

5

Production

2011-07 — 2026-04

Peak Month

2014-11

Production History

Cum Oil: 297,757 BBL Cum Gas: 496,281 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,158 BBL/mo

Di (annual)

9.3%

b-factor

0.0

EUR

277,036 BBL

R-squared

0.384

type

exponential

Operator History (from monthly production reports)

2018-08 — 2026-07 COG OPERATING LLC 96 mo
2013-09 — 2018-07 RSP PERMIAN, LLC 59 mo
2011-07 — 2013-08 E.G.L. RESOURCES, INC. 26 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
216COG OPERATING LLC212,0002014-10-31
208COG OPERATING LLC112,0002014-01-06
212COG OPERATING LLC112,0002013-01-18
211COG OPERATING LLC212,0002012-03-22
207COG OPERATING LLC112,0002010-09-17