MATTHEWS, WATT R., ETAL

Oil · District 7B · Lease #4726

Operator: LEFFEL'S, INC.

Cum Oil

89k BBL

Cum Gas

3k MCF

casinghead

Wells

13

Production

1993-01 — 2021-04

Peak Month

2007-06

Production History

Cum Oil: 88,876 BBL Cum Gas: 3,422 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2020-07 — 2026-07 KERR OILFIELD COMPANY 73 mo
1993-01 — 2020-06 LEFFEL'S, INC. 330 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9KERR OILFIELD COMPANY11,4002014-05-21
18KERR OILFIELD COMPANY11,9992008-03-26
2KERR OILFIELD COMPANY11,4302007-05-01
17KERR OILFIELD COMPANY11,9992007-02-16
16KERR OILFIELD COMPANY11,9992004-03-04
15KERR OILFIELD COMPANY11,9992000-08-04
14KERR OILFIELD COMPANY11,1001982-02-22
142-447-01606KERR OILFIELD COMPANY------
1042-447-30485KERR OILFIELD COMPANY------
442-447-01859KERR OILFIELD COMPANY------
542-447-80065KERR OILFIELD COMPANY------
642-447-20099KERR OILFIELD COMPANY------
742-447-20360KERR OILFIELD COMPANY------