DONNER-BROWN UNIT A-621

Oil // district 6 // lease#13891

op: SWIFT ENERGY OPERATING, LLC

cum_oil

36k BBL

cum_gas

0 MCF

wells

1

production

1999-03 — 2026-03

peak_month

2021-04

-- production_history

cum_oil: 36,347 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,273 BBL/mo

Di (annual)

404.7%

b-factor

1.2

EUR

28,332 BBL

R-squared

0.702

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SONAT EXPLORATION COMPANY -TYLER312,3002020-12-22
EOF // multi-state drilling data platform // 2026