DUVAL COUNTY RANCH CO. "K"

Oil · District 4 · Lease #11910

Operator: EXXON CORP.

Cum Oil

624 BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 1994-01

Peak Month

1993-01

Production History

Cum Oil: 624 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

80 BBL/mo

Di (annual)

89.3%

b-factor

1.0

EUR

4,127 BBL

R-squared

0.778

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
58SOUTHWESTERN ENERGY PROD. CO.34,8501998-01-28
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