PORTANOVA

Oil // district 3 // lease#23627

op: WAPITI OPERATING, LLC

fields: BROOKSHIRE

cum_oil

579k BBL

cum_gas

0 MCF

wells

6

production

1998-12 — 2026-03

peak_month

2000-09

-- production_history

cum_oil: 578,555 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,248 BBL/mo

Di (annual)

24.1%

b-factor

0.3

EUR

431,963 BBL

R-squared

0.653

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
22LAYLINE PETROLEUM I, LLC13,3002011-07-15
6AGEN-NAN RESOURCES & EQUIP., INC.13,3002001-01-30
8GEN-NAN RESOURCES & EQUIP., INC.13,2002000-03-06
5GEN-NAN RESOURCES & EQUIP., INC.32,2501999-06-03
4GEN-NAN RESOURCES & EQUIP., INC.23,2001998-11-13
3GEN-NAN RESOURCES & EQUIP., INC.23,0001997-12-17
EOF // data source: Texas Railroad Commission // 2026