COWDEN "47"

Oil // district 10 // lease#37828

op: VANGUARD OPERATING, LLC

cum_oil

48k BBL

cum_gas

0 MCF

wells

1

production

2006-06 — 2023-04

peak_month

2006-07

-- production_history

cum_oil: 48,304 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

335 BBL/mo

Di (annual)

4.5%

b-factor

0.2

EUR

86,154 BBL

R-squared

0.500

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWESTERN ENERGY PROD. CO.27,7002022-05-26
EOF // data source: Texas Railroad Commission // 2026