EDWARDS, CHAS., JR.

Oil · District 08 · Lease #15043

Operator: SOUTHWEST-OPERATING

Cum Oil

3k BBL

Cum Gas

16k MCF

casinghead

Wells

2

Production

1993-01 — 1997-11

Peak Month

1993-10

Production History

Cum Oil: 2,836 BBL Cum Gas: 15,739 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

83 BBL/mo

Di (annual)

100.7%

b-factor

0.0

EUR

975 BBL

R-squared

0.376

type

exponential

Operator History (from monthly production reports)

1997-03 — 2026-07 SOUTHWEST-OPERATING 353 mo
1993-01 — 1997-02 GRAHAM, BILL J. OIL & GAS CORP. 50 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3GRAHAM BILL J.16,5001981-09-11
142-103-04862SOUTHWEST-OPERATING------