STO SEC 11

Oil · District 08 · Lease #41704

Operator: RSP PERMIAN, LLC

Cum Oil

848k BBL

Cum Gas

1.4M MCF

casinghead

Wells

11

Production

2011-08 — 2026-04

Peak Month

2013-09

Production History

Cum Oil: 847,920 BBL Cum Gas: 1,437,952 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,774 BBL/mo

Di (annual)

10.9%

b-factor

0.0

EUR

855,314 BBL

R-squared

0.551

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
2011-08 — 2013-08 E.G.L. RESOURCES, INC. 25 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1113COG OPERATING LLC112,0002014-03-10
1106COG OPERATING LLC112,0002014-02-07
1114COG OPERATING LLC112,0002013-03-14
1105COG OPERATING LLC112,0002013-02-27
1102COG OPERATING LLC112,0002012-06-28
1116COG OPERATING LLC212,0002012-05-31
1101COG OPERATING LLC112,0002012-05-03
1109COG OPERATING LLC112,0002012-05-03
1115COG OPERATING LLC112,0002012-04-20
1107COG OPERATING LLC112,0002011-12-13
1112COG OPERATING LLC212,0002010-09-17