STATE GLASS

Oil // district 9 // lease#17150

op: COG OPERATING LLC

cum_oil

430k BBL

cum_gas

0 MCF

wells

9

production

2010-05 — 2026-03

peak_month

2011-08

-- production_history

cum_oil: 429,635 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,099 BBL/mo

Di (annual)

15.4%

b-factor

0.1

EUR

439,588 BBL

R-squared

0.763

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
213COG OPERATING LLC112,0002012-04-05
211COG OPERATING LLC112,0002010-12-03
212COG OPERATING LLC112,0002010-12-03
210COG OPERATING LLC111,0002010-09-09
209HENRY PETROLEUM LP110,8002007-11-21
208HENRY PETROLEUM LP110,8002007-03-09
207HENRY PETROLEUM LP110,7002003-08-04
206HENRY PETROLEUM LP210,7002003-01-10
204MOBIL PRODUCING TX. & N.M. INC.211,0002000-06-16
EOF // data source: Texas Railroad Commission // 2026