RATLIFF I UNIT

Oil // district 10 // lease#49085

op: COG OPERATING LLC

cum_oil

487k BBL

cum_gas

0 MCF

wells

2

production

2017-05 — 2026-03

peak_month

2018-05

-- production_history

cum_oil: 486,899 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

8,048 BBL/mo

Di (annual)

26.9%

b-factor

0.0

EUR

359,514 BBL

R-squared

0.481

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4401MHCOG OPERATING LLC19,0002017-07-21
4401LSRELIANCE ENERGY, INC.117,5002016-06-07
EOF // data source: Texas Railroad Commission // 2026