DUVAL COUNTY RANCH CO. -K-

Oil · District 4 · Lease #12377

Operator: SOUTHWESTERN ENERGY PROD. CO.

Cum Oil

8k BBL

Cum Gas

0 MCF

Wells

1

Production

1994-05 — 1999-02

Peak Month

1994-11

Production History

Cum Oil: 7,859 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

485 BBL/mo

Di (annual)

181.8%

b-factor

0.6

EUR

7,336 BBL

R-squared

0.548

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
58SOUTHWESTERN ENERGY PROD. CO.34,8501998-01-28
Live © 2026 Petrora