SHANNON -A-

Oil // district 9 // lease#19126

op: VANCO OIL & GAS CORP.

cum_oil

9k BBL

cum_gas

0 MCF

wells

8

production

2015-04 — 2026-03

peak_month

2015-08

-- production_history

cum_oil: 8,832 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

292 BBL/mo

Di (annual)

44.3%

b-factor

0.0

EUR

7,871 BBL

R-squared

0.308

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21WESTCO OIL COMPANY11,9001998-01-21
18WESTCO OIL COMPANY11,9001998-01-07
1042-105-02067--------
1742-105-00109--------
242-105-02058--------
3 L42-105-02060--------
442-105-02061--------
542-105-02063--------
EOF // multi-state drilling data platform // 2026