VASTAR

Oil // district 3 // lease#23734

op: WAPITI OPERATING, LLC

fields: NEWTON

cum_oil

616k BBL

cum_gas

0 MCF

wells

5

production

1999-08 — 2026-03

peak_month

2000-02

-- production_history

cum_oil: 616,201 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,854 BBL/mo

Di (annual)

14.0%

b-factor

0.0

EUR

586,101 BBL

R-squared

0.842

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9DELTA EXPLORATION COMPANY, INC.212,0042005-06-09
5DELTA EXPLORATION COMPANY, INC.112,0002004-10-22
3ALPINE RESOURCES, INC.211,6502000-04-28
2ALPINE RESOURCES, INC.111,7001999-10-27
1ALPINE RESOURCES, INC.111,6501999-05-28
EOF // data source: Texas Railroad Commission // 2026