COWDEN RANCH OIL UNIT "49"

Oil // district 10 // lease#37210

op: VANGUARD OPERATING, LLC

cum_oil

172k BBL

cum_gas

0 MCF

wells

1

production

2003-11 — 2026-03

peak_month

2003-12

-- production_history

cum_oil: 171,985 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,256 BBL/mo

Di (annual)

99.4%

b-factor

1.1

EUR

226,733 BBL

R-squared

0.859

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SOUTHWESTERN ENERGY PROD. CO.16,6002003-10-31
EOF // multi-state drilling data platform // 2026