HERRING ESTATE

Oil // district 6 // lease#12339

op: SOUTHWEST OPERATING, INC.-TYLER

cum_oil

33k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1995-07

-- production_history

cum_oil: 32,776 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

234 BBL/mo

Di (annual)

9.8%

b-factor

0.0

EUR

28,321 BBL

R-squared

0.548

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4LEHNERTZ, G. M.29,2011987-12-22
EOF // multi-state drilling data platform // 2026