UNIVERSITY RUTH

Oil · District 08 · Lease #40164

Operator: SUMMIT PETROLEUM LLC

Cum Oil

357k BBL

Cum Gas

544k MCF

casinghead

Wells

8

Production

2010-05 — 2026-04

Peak Month

2013-05

Production History

Cum Oil: 357,320 BBL Cum Gas: 543,505 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,081 BBL/mo

Di (annual)

82.3%

b-factor

0.7

EUR

338,494 BBL

R-squared

0.897

type

hyperbolic

Operator History (from monthly production reports)

2012-02 — 2026-07 COG OPERATING LLC 174 mo
2010-11 — 2012-01 PDC ENERGY 15 mo
2010-05 — 2010-10 SUMMIT PETROLEUM LLC 6 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
408COG OPERATING LLC112,0002012-06-14
403COG OPERATING LLC112,0002012-05-30
411COG OPERATING LLC112,0002012-04-24
423COG OPERATING LLC212,0002012-04-24
463COG OPERATING LLC212,0002012-02-13
441COG OPERATING LLC112,0002011-10-03
471COG OPERATING LLC111,9002011-08-31
404COG OPERATING LLC111,5002010-02-22