SARAH S

Oil · District 08 · Lease #40405

Operator: SUMMIT PETROLEUM LLC

Cum Oil

384k BBL

Cum Gas

649k MCF

casinghead

Wells

10

Production

2010-06 — 2026-04

Peak Month

2012-08

Production History

Cum Oil: 383,953 BBL Cum Gas: 649,283 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,130 BBL/mo

Di (annual)

60.6%

b-factor

0.6

EUR

303,717 BBL

R-squared

0.948

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
2010-06 — 2010-10 SUMMIT PETROLEUM LLC 5 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1665COG OPERATING LLC212,0002011-11-22
1635COG OPERATING LLC111,6002011-10-28
1622COG OPERATING LLC212,0002011-10-26
1663COG OPERATING LLC311,9002011-09-16
1674COG OPERATING LLC311,9002011-08-31
1631COG OPERATING LLC112,0002011-05-03
1607COG OPERATING LLC111,5002010-12-07
1609COG OPERATING LLC111,8002010-11-18
1602COG OPERATING LLC311,5002010-07-15
1608COG OPERATING LLC111,5002010-02-22