MATTHEWS, WATT R., ETAL

Oil // district 8 // lease#4726

op: LEFFEL'S, INC.

cum_oil

89k BBL

cum_gas

0 MCF

wells

13

production

1993-01 — 2026-03

peak_month

2007-06

-- production_history

cum_oil: 88,876 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

680 BBL/mo

Di (annual)

29.4%

b-factor

0.2

EUR

34,478 BBL

R-squared

0.908

type

hyperbolic

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9LEFFEL'S, INC.11,4002014-05-21
18LEFFEL'S, INC.11,9992008-03-26
2LEFFEL'S, INC.11,4302007-05-01
17LEFFEL'S, INC.11,9992007-02-16
16LEFFEL'S, INC.11,9992004-03-04
15LEFFEL'S, INC.11,9992000-08-04
14REEF OIL CORPORATION11,1001982-02-22
142-447-01606--------
1042-447-30485--------
442-447-01859--------
542-447-80065--------
642-447-20099--------
742-447-20360--------
EOF // multi-state drilling data platform // 2026