LAMBERT

Oil // district 8 // lease#31152

op: WALTON PRODUCING INC.

cum_oil

51k BBL

cum_gas

0 MCF

wells

4

production

2013-02 — 2026-03

peak_month

2013-11

-- production_history

cum_oil: 50,696 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,466 BBL/mo

Di (annual)

41.4%

b-factor

0.0

EUR

42,494 BBL

R-squared

0.863

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4CROWN EQUIPMENT CO.14,9992014-09-19
3CROWN EQUIPMENT CO.15,0002014-03-24
2CROWN EQUIPMENT CO.15,0002013-07-15
1CROWN EQUIPMENT CO.15,0002012-12-17
EOF // multi-state drilling data platform // 2026