RIGGS -E-

Oil · District 01 · Lease #6784

Operator: MINERAL DEVELOPMENT, INC.

Cum Oil

2k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

1993-01 — 1995-12

Peak Month

1994-09

Production History

Cum Oil: 2,057 BBL Cum Gas: 7,895 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

95 BBL/mo

Di (annual)

54.6%

b-factor

0.0

EUR

2,058 BBL

R-squared

0.469

type

exponential

Operator History (from monthly production reports)

1996-09 — 1998-10 EXCO RESOURCES, INC. 26 mo
1993-01 — 1996-08 MINERAL DEVELOPMENT, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SOUTH TEXAS OPERATING COMPANY26,5002006-04-24