MATTIE

Oil · District 08 · Lease #40566

Operator: SUMMIT PETROLEUM LLC

Cum Oil

97k BBL

Cum Gas

177k MCF

casinghead

Wells

3

Production

2010-10 — 2026-04

Peak Month

2013-03

Production History

Cum Oil: 97,312 BBL Cum Gas: 176,624 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,051 BBL/mo

Di (annual)

65.6%

b-factor

0.9

EUR

118,579 BBL

R-squared

0.521

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
2010-10 — 2010-10 SUMMIT PETROLEUM LLC 1 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2008COG OPERATING LLC212,0002012-08-20
2072COG OPERATING LLC111,9002012-02-23
2010COG OPERATING LLC111,9002010-07-29