DUVAL COUNTY RANCH CO. 'K'

Oil · District 4 · Lease #11792

Operator: TEXAS PETROLEUM INVESTMENT CO.

Cum Oil

13k BBL

Cum Gas

0 MCF

Wells

3

Production

1993-01 — 2026-03

Peak Month

1993-05

Production History

Cum Oil: 13,258 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

710 BBL/mo

Di (annual)

89.0%

b-factor

0.1

EUR

10,606 BBL

R-squared

0.817

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
51SOUTHWESTERN ENERGY PROD. CO.34,7501999-07-13
54SOUTHWESTERN ENERGY PROD. CO.44,5501999-04-01
55EXXON CORP.34,5501992-04-22
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