PORTWOOD

Oil // district 13 // lease#18862

op: SHAWVER & SHAWVER

cum_oil

4k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2001-05

peak_month

1995-12

-- production_history

cum_oil: 4,028 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

315 BBL/mo

Di (annual)

564.8%

b-factor

0.6

EUR

1,517 BBL

R-squared

0.355

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NATURAL RESOURCES CORPORATION15,6001978-02-23
EOF // multi-state drilling data platform // 2026