CHADBOURNE RANCH 431 -A-

Oil // district 9 // lease#12984

op: WESTPORT OIL AND GAS COMPANY, LP

cum_oil

24k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2006-05

peak_month

1993-01

-- production_history

cum_oil: 24,324 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,463 BBL/mo

Di (annual)

345.7%

b-factor

0.4

EUR

14,179 BBL

R-squared

0.694

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5WAGMAN PETROLEUM, INC.15,9001991-12-18
4WAGMAN PETROLEUM, INC.15,9001991-08-29
2WAGMAN PETROLEUM, INC.15,9001991-03-18
1 HWAGMAN PETROLEUM, INC.35,9001990-10-22
EOF // multi-state drilling data platform // 2026