KARISSA

Oil · District 7C · Lease #16659

Operator: HENRY PETROLEUM LP

Cum Oil

98k BBL

Cum Gas

228k MCF

casinghead

Wells

2

Production

2008-08 — 2020-04

Peak Month

2013-07

Production History

Cum Oil: 98,166 BBL Cum Gas: 227,563 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,059 BBL/mo

Di (annual)

65.5%

b-factor

2.0

EUR

138,737 BBL

R-squared

0.360

type

hyperbolic

Operator History (from monthly production reports)

2009-01 — 2020-09 COG OPERATING LLC 141 mo
2008-08 — 2008-12 HENRY PETROLEUM LP 5 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4515COG OPERATING LLC112,0002012-11-26
4511COG OPERATING LLC210,8002008-03-26